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Hello,
Compilation and deb creation are ok, but when you load module you get oops and a terrible performance (1k IOPS max on NVMe)
[ 539.021069] cas_cache: loading out-of-tree module taints kernel. [ 539.021428] cas_cache: module verification failed: signature and/or required key missing - tainting kernel [ 539.481967] 'OCF_Core' volume operations registered [ 539.501989] 'OCF_Cache' volume operations registered [ 539.521217] 'OCF Composite' volume operations registered [ 539.873511] 'Block_Device' volume operations registered [ 539.873744] Open Cache Acceleration Software Linux Version 22.06.0.0838.master (6.0.0-6-amd64)::Module loaded successfully [ 713.871748] Inserting cache cache1 [ 713.872759] cache1: Metadata initialized [ 713.873015] cache1: Successfully added [ 713.873017] cache1: Cache mode : wt [ 713.873574] Thread cas_io_1_0 started [ 713.874157] Thread cas_io_1_1 started ... [ 713.907585] Thread cas_io_1_100 started [ 713.907944] Thread cas_io_1_101 started [ 713.908357] Thread cas_io_1_102 started [ 713.908719] Thread cas_io_1_103 started [ 713.909025] Thread cas_mngt_1 started [ 713.909037] BUG: using smp_processor_id() in preemptible [00000000] code: casadm/68510 [ 713.909090] caller is cas_rpool_try_get+0x1b/0xb0 [cas_cache] [ 713.909163] CPU: 24 PID: 68510 Comm: casadm Tainted: G OE 6.0.0-6-amd64 #1 Debian 6.0.12-1 [ 713.909173] Hardware name: Lenovo ThinkSystem SR650 V2/7Z73CTO1WW, BIOS AFE120G-1.40 09/20/2022 [ 713.909176] Call Trace: [ 713.909183] <TASK> [ 713.909189] dump_stack_lvl+0x44/0x5c [ 713.909208] check_preemption_disabled+0xe1/0xf0 [ 713.909221] cas_rpool_try_get+0x1b/0xb0 [cas_cache] [ 713.909261] env_allocator_new+0x39/0xd0 [cas_cache] [ 713.909299] env_mpool_new+0x5a/0x90 [cas_cache] [ 713.909336] ocf_req_new+0x7a/0x210 [cas_cache] [ 713.909385] ocf_pipeline_create+0x48/0xb0 [cas_cache] [ 713.909427] ? _cache_mngt_core_flush_complete+0x80/0x80 [cas_cache] [ 713.909470] ocf_mngt_cache_attach+0xc4/0x1e0 [cas_cache] [ 713.909521] cache_mngt_init_instance+0x692/0x710 [cas_cache] [ 713.909563] cas_service_ioctl_ctrl+0x2297/0x27ce [cas_cache] [ 713.909603] __x64_sys_ioctl+0x8d/0xd0 [ 713.909616] do_syscall_64+0x37/0xc0 [ 713.909623] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 713.909634] RIP: 0033:0x7fadf6261bab [ 713.909640] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 713.909646] RSP: 002b:00007ffd81abb530 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 713.909655] RAX: ffffffffffffffda RBX: 00007ffd81abb630 RCX: 00007fadf6261bab [ 713.909659] RDX: 00007ffd81abb720 RSI: ffffffffd030ba29 RDI: 0000000000000004 [ 713.909663] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd81abb4f7 [ 713.909666] R10: 0000000000000008 R11: 0000000000000246 R12: ffffffffd030ba29 [ 713.909670] R13: 00007ffd81abb720 R14: 0000000000000004 R15: 00007ffd81abb590 [ 713.909677] </TASK>
`
The text was updated successfully, but these errors were encountered:
Insert FULL log (too many cores threads, each one crash ! ) with cache init and module remove (ok) opencas_kernelcrash_full_log.txt
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Related to non prehemptible capability of OpenCas. Had to build a "custom" kernel.
Duplicate of : #1414
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Hello,
Compilation and deb creation are ok, but when you load module you get oops and a terrible performance (1k IOPS max on NVMe)
`
The text was updated successfully, but these errors were encountered: