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[GH-ISSUE #1386] Linux kernel traps ollama runner with invalid opcode #62768

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opened 2026-05-03 10:16:12 -05:00 by GiteaMirror · 8 comments
GiteaMirror commented 2026-05-03 10:16:12 -05:00
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Originally created by @clvgt12 on GitHub (Dec 5, 2023).
Original GitHub issue: https://github.com/ollama/ollama/issues/1386

I have a Ubuntu laptop, and installed ollama and the llama2 model using this script:

$ curl https://ollama.ai/install.sh | sh
>>> The Ollama API is now available at 0.0.0.0:11434.
>>> Install complete. Run "ollama" from the command line.
$ ollama pull llama2
pulling manifest 
pulling 22f7f8ef5f4c... 100% ▕██████████████████████████████████████████████████████████████████████████████████████████████████████████████▏ 3.8 GB                         
pulling 8c17c2ebb0ea... 100% ▕██████████████████████████████████████████████████████████████████████████████████████████████████████████████▏ 7.0 KB                         
pulling 7c23fb36d801... 100% ▕██████████████████████████████████████████████████████████████████████████████████████████████████████████████▏ 4.8 KB                         
pulling 2e0493f67d0c... 100% ▕██████████████████████████████████████████████████████████████████████████████████████████████████████████████▏   59 B                         
pulling 2759286baa87... 100% ▕██████████████████████████████████████████████████████████████████████████████████████████████████████████████▏  105 B                         
pulling 5407e3188df9... 100% ▕██████████████████████████████████████████████████████████████████████████████████████████████████████████████▏  529 B                         
verifying sha256 digest 
writing manifest 
removing any unused layers 
success 
$ ollama run llama2
Error: llama runner process has terminated

I noticed these journal logs that indicate a coredump (timestamps are in reverse chronological order):

$ journalctl -r -n50 | grep ollama
Dec 04 19:53:42 martini ollama[25463]: [GIN] 2023/12/04 - 19:53:42 | 500 |  3.287409943s |       127.0.0.1 | POST     "/api/generate"
Dec 04 19:53:42 martini ollama[25463]: 2023/12/04 19:53:42 llama.go:510: llama runner stopped successfully
Dec 04 19:53:42 martini ollama[25463]: 2023/12/04 19:53:42 llama.go:444: error starting llama runner: llama runner process has terminated
Dec 04 19:53:42 martini ollama[25463]: 2023/12/04 19:53:42 llama.go:436: signal: illegal instruction (core dumped)
Dec 04 19:53:42 martini kernel: traps: ollama-runner[25996] trap invalid opcode ip:5012fc sp:7ffee2087ef0 error:0 in ollama-runner[408000+163000]
Dec 04 19:53:41 martini ollama[25463]: 2023/12/04 19:53:41 llama.go:479: waiting for llama runner to start responding
Dec 04 19:53:41 martini ollama[25463]: 2023/12/04 19:53:41 llama.go:421: starting llama runner
Dec 04 19:53:41 martini ollama[25463]: 2023/12/04 19:53:41 llama.go:390: skipping accelerated runner because num_gpu=0
Dec 04 19:53:39 martini ollama[25463]: [GIN] 2023/12/04 - 19:53:39 | 200 |    1.466176ms |       127.0.0.1 | POST     "/api/show"
Dec 04 19:53:39 martini ollama[25463]: [GIN] 2023/12/04 - 19:53:39 | 200 |    1.918687ms |       127.0.0.1 | HEAD     "/"

Here is my Linux kernel and distribution information:

$ uname -a
Linux martini 6.2.0-1017-lowlatency #17~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Nov  2 18:30:14 UTC 2 x86_64 x86_64 x86_64 GNU/Linux
$ cat /etc/os-release 
PRETTY_NAME="Ubuntu 22.04.3 LTS"
NAME="Ubuntu"
VERSION_ID="22.04"
VERSION="22.04.3 LTS (Jammy Jellyfish)"
VERSION_CODENAME=jammy
ID=ubuntu
ID_LIKE=debian
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
UBUNTU_CODENAME=jammy

Note that I am using a low latency kernel built for the Ubuntu Studio distribution.

Originally created by @clvgt12 on GitHub (Dec 5, 2023). Original GitHub issue: https://github.com/ollama/ollama/issues/1386 I have a Ubuntu laptop, and installed ollama and the llama2 model using this script: ``` $ curl https://ollama.ai/install.sh | sh >>> The Ollama API is now available at 0.0.0.0:11434. >>> Install complete. Run "ollama" from the command line. $ ollama pull llama2 pulling manifest pulling 22f7f8ef5f4c... 100% ▕██████████████████████████████████████████████████████████████████████████████████████████████████████████████▏ 3.8 GB pulling 8c17c2ebb0ea... 100% ▕██████████████████████████████████████████████████████████████████████████████████████████████████████████████▏ 7.0 KB pulling 7c23fb36d801... 100% ▕██████████████████████████████████████████████████████████████████████████████████████████████████████████████▏ 4.8 KB pulling 2e0493f67d0c... 100% ▕██████████████████████████████████████████████████████████████████████████████████████████████████████████████▏ 59 B pulling 2759286baa87... 100% ▕██████████████████████████████████████████████████████████████████████████████████████████████████████████████▏ 105 B pulling 5407e3188df9... 100% ▕██████████████████████████████████████████████████████████████████████████████████████████████████████████████▏ 529 B verifying sha256 digest writing manifest removing any unused layers success $ ollama run llama2 Error: llama runner process has terminated ``` I noticed these journal logs that indicate a coredump (timestamps are in reverse chronological order): ``` $ journalctl -r -n50 | grep ollama Dec 04 19:53:42 martini ollama[25463]: [GIN] 2023/12/04 - 19:53:42 | 500 | 3.287409943s | 127.0.0.1 | POST "/api/generate" Dec 04 19:53:42 martini ollama[25463]: 2023/12/04 19:53:42 llama.go:510: llama runner stopped successfully Dec 04 19:53:42 martini ollama[25463]: 2023/12/04 19:53:42 llama.go:444: error starting llama runner: llama runner process has terminated Dec 04 19:53:42 martini ollama[25463]: 2023/12/04 19:53:42 llama.go:436: signal: illegal instruction (core dumped) Dec 04 19:53:42 martini kernel: traps: ollama-runner[25996] trap invalid opcode ip:5012fc sp:7ffee2087ef0 error:0 in ollama-runner[408000+163000] Dec 04 19:53:41 martini ollama[25463]: 2023/12/04 19:53:41 llama.go:479: waiting for llama runner to start responding Dec 04 19:53:41 martini ollama[25463]: 2023/12/04 19:53:41 llama.go:421: starting llama runner Dec 04 19:53:41 martini ollama[25463]: 2023/12/04 19:53:41 llama.go:390: skipping accelerated runner because num_gpu=0 Dec 04 19:53:39 martini ollama[25463]: [GIN] 2023/12/04 - 19:53:39 | 200 | 1.466176ms | 127.0.0.1 | POST "/api/show" Dec 04 19:53:39 martini ollama[25463]: [GIN] 2023/12/04 - 19:53:39 | 200 | 1.918687ms | 127.0.0.1 | HEAD "/" ``` Here is my Linux kernel and distribution information: ``` $ uname -a Linux martini 6.2.0-1017-lowlatency #17~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Nov 2 18:30:14 UTC 2 x86_64 x86_64 x86_64 GNU/Linux $ cat /etc/os-release PRETTY_NAME="Ubuntu 22.04.3 LTS" NAME="Ubuntu" VERSION_ID="22.04" VERSION="22.04.3 LTS (Jammy Jellyfish)" VERSION_CODENAME=jammy ID=ubuntu ID_LIKE=debian HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=jammy ``` Note that I am using a low latency kernel built for the Ubuntu Studio distribution.
GiteaMirror commented 2026-05-03 10:16:15 -05:00
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@easp commented on GitHub (Dec 5, 2023):

What CPU does your machine have? cat /proc/cpuinfo |grep "model name"

This is generally caused by a CPU that doesn't support AVX instructions.

<!-- gh-comment-id:1839843572 --> @easp commented on GitHub (Dec 5, 2023): What CPU does your machine have? `cat /proc/cpuinfo |grep "model name"` This is generally caused by a CPU that doesn't support AVX instructions.
GiteaMirror commented 2026-05-03 10:16:18 -05:00
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@clvgt12 commented on GitHub (Dec 5, 2023):

It is a rather old Intel i3 CPU:

$ cat /proc/cpuinfo | grep "model name"
model name	: Intel(R) Core(TM) i3 CPU       M 370  @ 2.40GHz
model name	: Intel(R) Core(TM) i3 CPU       M 370  @ 2.40GHz
model name	: Intel(R) Core(TM) i3 CPU       M 370  @ 2.40GHz
model name	: Intel(R) Core(TM) i3 CPU       M 370  @ 2.40GHz
$ cat /proc/cpuinfo
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 37
model name	: Intel(R) Core(TM) i3 CPU       M 370  @ 2.40GHz
stepping	: 5
microcode	: 0x7
cpu MHz		: 1312.225
cache size	: 3072 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 2
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 popcnt lahf_lm pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid dtherm arat flush_l1d
vmx flags	: vnmi preemption_timer invvpid ept_x_only flexpriority tsc_offset vtpr mtf vapic ept vpid unrestricted_guest
bugs		: cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs itlb_multihit mmio_unknown
bogomips	: 4799.62
clflush size	: 64
cache_alignment	: 64
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 37
model name	: Intel(R) Core(TM) i3 CPU       M 370  @ 2.40GHz
stepping	: 5
microcode	: 0x7
cpu MHz		: 1182.853
cache size	: 3072 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 2
apicid		: 1
initial apicid	: 1
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 popcnt lahf_lm pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid dtherm arat flush_l1d
vmx flags	: vnmi preemption_timer invvpid ept_x_only flexpriority tsc_offset vtpr mtf vapic ept vpid unrestricted_guest
bugs		: cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs itlb_multihit mmio_unknown
bogomips	: 4799.62
clflush size	: 64
cache_alignment	: 64
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 37
model name	: Intel(R) Core(TM) i3 CPU       M 370  @ 2.40GHz
stepping	: 5
microcode	: 0x7
cpu MHz		: 1255.031
cache size	: 3072 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 2
apicid		: 4
initial apicid	: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 popcnt lahf_lm pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid dtherm arat flush_l1d
vmx flags	: vnmi preemption_timer invvpid ept_x_only flexpriority tsc_offset vtpr mtf vapic ept vpid unrestricted_guest
bugs		: cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs itlb_multihit mmio_unknown
bogomips	: 4799.62
clflush size	: 64
cache_alignment	: 64
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 37
model name	: Intel(R) Core(TM) i3 CPU       M 370  @ 2.40GHz
stepping	: 5
microcode	: 0x7
cpu MHz		: 1145.601
cache size	: 3072 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 2
apicid		: 5
initial apicid	: 5
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 popcnt lahf_lm pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid dtherm arat flush_l1d
vmx flags	: vnmi preemption_timer invvpid ept_x_only flexpriority tsc_offset vtpr mtf vapic ept vpid unrestricted_guest
bugs		: cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs itlb_multihit mmio_unknown
bogomips	: 4799.62
clflush size	: 64
cache_alignment	: 64
address sizes	: 36 bits physical, 48 bits virtual
power management:
<!-- gh-comment-id:1839905730 --> @clvgt12 commented on GitHub (Dec 5, 2023): It is a rather old Intel i3 CPU: ``` $ cat /proc/cpuinfo | grep "model name" model name : Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz model name : Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz model name : Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz model name : Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz $ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 37 model name : Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz stepping : 5 microcode : 0x7 cpu MHz : 1312.225 cache size : 3072 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 11 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 popcnt lahf_lm pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid dtherm arat flush_l1d vmx flags : vnmi preemption_timer invvpid ept_x_only flexpriority tsc_offset vtpr mtf vapic ept vpid unrestricted_guest bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs itlb_multihit mmio_unknown bogomips : 4799.62 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 37 model name : Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz stepping : 5 microcode : 0x7 cpu MHz : 1182.853 cache size : 3072 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 2 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 11 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 popcnt lahf_lm pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid dtherm arat flush_l1d vmx flags : vnmi preemption_timer invvpid ept_x_only flexpriority tsc_offset vtpr mtf vapic ept vpid unrestricted_guest bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs itlb_multihit mmio_unknown bogomips : 4799.62 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 2 vendor_id : GenuineIntel cpu family : 6 model : 37 model name : Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz stepping : 5 microcode : 0x7 cpu MHz : 1255.031 cache size : 3072 KB physical id : 0 siblings : 4 core id : 2 cpu cores : 2 apicid : 4 initial apicid : 4 fpu : yes fpu_exception : yes cpuid level : 11 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 popcnt lahf_lm pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid dtherm arat flush_l1d vmx flags : vnmi preemption_timer invvpid ept_x_only flexpriority tsc_offset vtpr mtf vapic ept vpid unrestricted_guest bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs itlb_multihit mmio_unknown bogomips : 4799.62 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 3 vendor_id : GenuineIntel cpu family : 6 model : 37 model name : Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz stepping : 5 microcode : 0x7 cpu MHz : 1145.601 cache size : 3072 KB physical id : 0 siblings : 4 core id : 2 cpu cores : 2 apicid : 5 initial apicid : 5 fpu : yes fpu_exception : yes cpuid level : 11 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 popcnt lahf_lm pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid dtherm arat flush_l1d vmx flags : vnmi preemption_timer invvpid ept_x_only flexpriority tsc_offset vtpr mtf vapic ept vpid unrestricted_guest bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs itlb_multihit mmio_unknown bogomips : 4799.62 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: ```
GiteaMirror commented 2026-05-03 10:16:21 -05:00
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@easp commented on GitHub (Dec 5, 2023):

Ah. That doesn't have AVX instructions, which Ollama currently requires.

<!-- gh-comment-id:1839910723 --> @easp commented on GitHub (Dec 5, 2023): Ah. That doesn't have AVX instructions, which Ollama currently requires.
GiteaMirror commented 2026-05-03 10:16:24 -05:00
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@clvgt12 commented on GitHub (Dec 18, 2023):

How can I learn if there any other CPU instruction requirements for Ollama?

<!-- gh-comment-id:1859576717 --> @clvgt12 commented on GitHub (Dec 18, 2023): How can I learn if there any other CPU instruction requirements for Ollama?
GiteaMirror commented 2026-05-03 10:16:27 -05:00
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@sigkill commented on GitHub (Dec 30, 2023):

Doesn't seem to like the N5105 either, which is a pitty because it's the processor in the Asustor FS12.

No AVX here:

processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 156
model name	: Intel(R) Celeron(R) N5105 @ 2.00GHz
stepping	: 0
microcode	: 0x24000024
cpu MHz		: 2000.000
cache size	: 4096 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 27
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg cx16 xtpr pdcm sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave rdrand lahf_lm 3dnowprefetch cpuid_fault epb cat_l2 cdp_l2 ssbd ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust smep erms rdt_a rdseed smap clflushopt clwb intel_pt sha_ni xsaveopt xsavec xgetbv1 xsaves split_lock_detect dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp hwp_pkg_req umip waitpkg gfni rdpid movdiri movdir64b md_clear flush_l1d arch_capabilities
vmx flags	: vnmi preemption_timer posted_intr invvpid ept_x_only ept_ad flexpriority apicv tsc_offset vtpr mtf vapic ept vpid unrestricted_guest vapic_reg vid ple shadow_vmcs ept_mode_based_exec tsc_scaling usr_wait_pause
bugs		: spectre_v1 spectre_v2 spec_store_bypass swapgs srbds mmio_stale_data
bogomips	: 3993.60
clflush size	: 64
cache_alignment	: 64
address sizes	: 39 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 156
model name	: Intel(R) Celeron(R) N5105 @ 2.00GHz
stepping	: 0
microcode	: 0x24000024
cpu MHz		: 2000.000
cache size	: 4096 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
initial apicid	: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 27
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg cx16 xtpr pdcm sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave rdrand lahf_lm 3dnowprefetch cpuid_fault epb cat_l2 cdp_l2 ssbd ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust smep erms rdt_a rdseed smap clflushopt clwb intel_pt sha_ni xsaveopt xsavec xgetbv1 xsaves split_lock_detect dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp hwp_pkg_req umip waitpkg gfni rdpid movdiri movdir64b md_clear flush_l1d arch_capabilities
vmx flags	: vnmi preemption_timer posted_intr invvpid ept_x_only ept_ad flexpriority apicv tsc_offset vtpr mtf vapic ept vpid unrestricted_guest vapic_reg vid ple shadow_vmcs ept_mode_based_exec tsc_scaling usr_wait_pause
bugs		: spectre_v1 spectre_v2 spec_store_bypass swapgs srbds mmio_stale_data
bogomips	: 3993.60
clflush size	: 64
cache_alignment	: 64
address sizes	: 39 bits physical, 48 bits virtual
power management:

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 156
model name	: Intel(R) Celeron(R) N5105 @ 2.00GHz
stepping	: 0
microcode	: 0x24000024
cpu MHz		: 2799.708
cache size	: 4096 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
initial apicid	: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 27
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg cx16 xtpr pdcm sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave rdrand lahf_lm 3dnowprefetch cpuid_fault epb cat_l2 cdp_l2 ssbd ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust smep erms rdt_a rdseed smap clflushopt clwb intel_pt sha_ni xsaveopt xsavec xgetbv1 xsaves split_lock_detect dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp hwp_pkg_req umip waitpkg gfni rdpid movdiri movdir64b md_clear flush_l1d arch_capabilities
vmx flags	: vnmi preemption_timer posted_intr invvpid ept_x_only ept_ad flexpriority apicv tsc_offset vtpr mtf vapic ept vpid unrestricted_guest vapic_reg vid ple shadow_vmcs ept_mode_based_exec tsc_scaling usr_wait_pause
bugs		: spectre_v1 spectre_v2 spec_store_bypass swapgs srbds mmio_stale_data
bogomips	: 3993.60
clflush size	: 64
cache_alignment	: 64
address sizes	: 39 bits physical, 48 bits virtual
power management:

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 156
model name	: Intel(R) Celeron(R) N5105 @ 2.00GHz
stepping	: 0
microcode	: 0x24000024
cpu MHz		: 2798.180
cache size	: 4096 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
initial apicid	: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 27
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg cx16 xtpr pdcm sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave rdrand lahf_lm 3dnowprefetch cpuid_fault epb cat_l2 cdp_l2 ssbd ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust smep erms rdt_a rdseed smap clflushopt clwb intel_pt sha_ni xsaveopt xsavec xgetbv1 xsaves split_lock_detect dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp hwp_pkg_req umip waitpkg gfni rdpid movdiri movdir64b md_clear flush_l1d arch_capabilities
vmx flags	: vnmi preemption_timer posted_intr invvpid ept_x_only ept_ad flexpriority apicv tsc_offset vtpr mtf vapic ept vpid unrestricted_guest vapic_reg vid ple shadow_vmcs ept_mode_based_exec tsc_scaling usr_wait_pause
bugs		: spectre_v1 spectre_v2 spec_store_bypass swapgs srbds mmio_stale_data
bogomips	: 3993.60
clflush size	: 64
cache_alignment	: 64
address sizes	: 39 bits physical, 48 bits virtual
power management:
<!-- gh-comment-id:1872472181 --> @sigkill commented on GitHub (Dec 30, 2023): Doesn't seem to like the N5105 either, which is a pitty because it's the processor in the Asustor FS12. No AVX here: ``` processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 156 model name : Intel(R) Celeron(R) N5105 @ 2.00GHz stepping : 0 microcode : 0x24000024 cpu MHz : 2000.000 cache size : 4096 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 4 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 27 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg cx16 xtpr pdcm sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave rdrand lahf_lm 3dnowprefetch cpuid_fault epb cat_l2 cdp_l2 ssbd ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust smep erms rdt_a rdseed smap clflushopt clwb intel_pt sha_ni xsaveopt xsavec xgetbv1 xsaves split_lock_detect dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp hwp_pkg_req umip waitpkg gfni rdpid movdiri movdir64b md_clear flush_l1d arch_capabilities vmx flags : vnmi preemption_timer posted_intr invvpid ept_x_only ept_ad flexpriority apicv tsc_offset vtpr mtf vapic ept vpid unrestricted_guest vapic_reg vid ple shadow_vmcs ept_mode_based_exec tsc_scaling usr_wait_pause bugs : spectre_v1 spectre_v2 spec_store_bypass swapgs srbds mmio_stale_data bogomips : 3993.60 clflush size : 64 cache_alignment : 64 address sizes : 39 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 156 model name : Intel(R) Celeron(R) N5105 @ 2.00GHz stepping : 0 microcode : 0x24000024 cpu MHz : 2000.000 cache size : 4096 KB physical id : 0 siblings : 4 core id : 1 cpu cores : 4 apicid : 2 initial apicid : 2 fpu : yes fpu_exception : yes cpuid level : 27 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg cx16 xtpr pdcm sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave rdrand lahf_lm 3dnowprefetch cpuid_fault epb cat_l2 cdp_l2 ssbd ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust smep erms rdt_a rdseed smap clflushopt clwb intel_pt sha_ni xsaveopt xsavec xgetbv1 xsaves split_lock_detect dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp hwp_pkg_req umip waitpkg gfni rdpid movdiri movdir64b md_clear flush_l1d arch_capabilities vmx flags : vnmi preemption_timer posted_intr invvpid ept_x_only ept_ad flexpriority apicv tsc_offset vtpr mtf vapic ept vpid unrestricted_guest vapic_reg vid ple shadow_vmcs ept_mode_based_exec tsc_scaling usr_wait_pause bugs : spectre_v1 spectre_v2 spec_store_bypass swapgs srbds mmio_stale_data bogomips : 3993.60 clflush size : 64 cache_alignment : 64 address sizes : 39 bits physical, 48 bits virtual power management: processor : 2 vendor_id : GenuineIntel cpu family : 6 model : 156 model name : Intel(R) Celeron(R) N5105 @ 2.00GHz stepping : 0 microcode : 0x24000024 cpu MHz : 2799.708 cache size : 4096 KB physical id : 0 siblings : 4 core id : 2 cpu cores : 4 apicid : 4 initial apicid : 4 fpu : yes fpu_exception : yes cpuid level : 27 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg cx16 xtpr pdcm sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave rdrand lahf_lm 3dnowprefetch cpuid_fault epb cat_l2 cdp_l2 ssbd ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust smep erms rdt_a rdseed smap clflushopt clwb intel_pt sha_ni xsaveopt xsavec xgetbv1 xsaves split_lock_detect dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp hwp_pkg_req umip waitpkg gfni rdpid movdiri movdir64b md_clear flush_l1d arch_capabilities vmx flags : vnmi preemption_timer posted_intr invvpid ept_x_only ept_ad flexpriority apicv tsc_offset vtpr mtf vapic ept vpid unrestricted_guest vapic_reg vid ple shadow_vmcs ept_mode_based_exec tsc_scaling usr_wait_pause bugs : spectre_v1 spectre_v2 spec_store_bypass swapgs srbds mmio_stale_data bogomips : 3993.60 clflush size : 64 cache_alignment : 64 address sizes : 39 bits physical, 48 bits virtual power management: processor : 3 vendor_id : GenuineIntel cpu family : 6 model : 156 model name : Intel(R) Celeron(R) N5105 @ 2.00GHz stepping : 0 microcode : 0x24000024 cpu MHz : 2798.180 cache size : 4096 KB physical id : 0 siblings : 4 core id : 3 cpu cores : 4 apicid : 6 initial apicid : 6 fpu : yes fpu_exception : yes cpuid level : 27 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg cx16 xtpr pdcm sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave rdrand lahf_lm 3dnowprefetch cpuid_fault epb cat_l2 cdp_l2 ssbd ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust smep erms rdt_a rdseed smap clflushopt clwb intel_pt sha_ni xsaveopt xsavec xgetbv1 xsaves split_lock_detect dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp hwp_pkg_req umip waitpkg gfni rdpid movdiri movdir64b md_clear flush_l1d arch_capabilities vmx flags : vnmi preemption_timer posted_intr invvpid ept_x_only ept_ad flexpriority apicv tsc_offset vtpr mtf vapic ept vpid unrestricted_guest vapic_reg vid ple shadow_vmcs ept_mode_based_exec tsc_scaling usr_wait_pause bugs : spectre_v1 spectre_v2 spec_store_bypass swapgs srbds mmio_stale_data bogomips : 3993.60 clflush size : 64 cache_alignment : 64 address sizes : 39 bits physical, 48 bits virtual power management: ```
GiteaMirror commented 2026-05-03 10:16:30 -05:00
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@sigkill commented on GitHub (Dec 30, 2023):

If AVX is required ... Why does ollama also run on arm?

<!-- gh-comment-id:1872475074 --> @sigkill commented on GitHub (Dec 30, 2023): If AVX is required ... Why does ollama also run on arm?
GiteaMirror commented 2026-05-03 10:16:35 -05:00
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@KF-R commented on GitHub (Jan 20, 2024):

Can confirm ollama broken on N5105 - assuming it's lack of AVX support.

<!-- gh-comment-id:1901504950 --> @KF-R commented on GitHub (Jan 20, 2024): Can confirm ollama broken on N5105 - assuming it's lack of AVX support.
GiteaMirror commented 2026-05-03 10:16:36 -05:00
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@dhiltgen commented on GitHub (Jan 27, 2024):

We've recently added support for CPUs without AVX extensions so please give the latest release a try (0.1.22). However note that our GPU libraries do still use AVX, so you'll only be able to run in pure CPU mode. #2187 is tracking that discrepancy.

<!-- gh-comment-id:1912910444 --> @dhiltgen commented on GitHub (Jan 27, 2024): We've recently added support for CPUs without AVX extensions so please give the latest release a try (0.1.22). However note that our GPU libraries do still use AVX, so you'll only be able to run in pure CPU mode. #2187 is tracking that discrepancy.
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