Details
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Bug
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Resolution: Unresolved
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Critical
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None
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Lustre 2.12.6
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None
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Sles 12-sp5 (4.12.14-122.103.1)
Client 2.12.6
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2
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9223372036854775807
Description
Clients keep hitting LBUG.
We have hit this with both 2.12.6-ddn55 and whamcloud 2.12.6 clients. Our running kernel has the patch listed in LU-
12508
[557612.110077] LustreError: 4585:0:(llite_mmap.c:61:our_vma()) ASSERTION( !down_write_trylock(&mm->mmap_sem) ) failed: [557612.121131] LustreError: 4585:0:(llite_mmap.c:61:our_vma()) LBUG [557612.127620] Pid: 4585, comm: fftpot4omp 4.12.14-122.103.1.20211202-nasa #1 SMP Tue Nov 23 14:22:07 UTC 2021 (d263070) [557612.127621] Call Trace: [557612.127644] [<0>] libcfs_call_trace+0x7e/0xd0 [libcfs] [557612.127650] [<0>] lbug_with_loc+0x41/0x90 [libcfs] [557612.127671] [<0>] our_vma+0x141/0x150 [lustre] [557612.127683] [<0>] vvp_io_rw_lock+0x260/0x710 [lustre] [557612.127707] [<0>] cl_io_lock+0x5f/0x3c0 [obdclass] [557612.127723] [<0>] cl_io_loop+0x81/0x1d0 [obdclass] [557612.127732] [<0>] ll_file_io_generic+0x6b3/0xbe0 [lustre] [557612.127742] [<0>] ll_file_write_iter+0xbc/0x520 [lustre] [557612.127745] [<0>] __vfs_write+0xdc/0x150 [557612.127746] [<0>] __kernel_write+0x4b/0xe0 [557612.127748] [<0>] dump_emit+0x79/0xa0 [557612.127750] [<0>] elf_core_dump+0x3fc/0xa40 [557612.127751] [<0>] do_coredump+0x7e5/0x1080 [557612.127752] [<0>] get_signal+0x161/0x7d0 [557612.127754] [<0>] do_signal+0x23/0x650 [557612.127756] [<0>] exit_to_usermode_loop+0x57/0x9c [557612.127758] [<0>] prepare_exit_to_usermode+0x3d/0x50 [557612.127760] [<0>] retint_user+0x8/0x8 [557612.127761] [<0>] 0xffffffffffffffff [557612.127762] Kernel panic - not syncing: LBUG [557612.132493] CPU: 7 PID: 4585 Comm: fftpot4omp Tainted: P OE 4.12.14-122.103.1.20211202-nasa #1 SLE12-SP5 (unreleased) [557612.132494] Hardware name: HPE ProLiant DL380 Gen10/ProLiant DL380 Gen10, BIOS U30 01/23/2021 [557612.132494] Call Trace: [557612.132498] dump_stack+0x64/0x85 [557612.132501] panic+0xdb/0x23e [557612.132508] lbug_with_loc+0x8b/0x90 [libcfs] [557612.168839] our_vma+0x141/0x150 [lustre] [557612.168852] vvp_io_rw_lock+0x260/0x710 [lustre] [557612.178415] cl_io_lock+0x5f/0x3c0 [obdclass] [557612.178430] cl_io_loop+0x81/0x1d0 [obdclass] [557612.178444] ll_file_io_generic+0x6b3/0xbe0 [lustre] [557612.193504] ll_file_write_iter+0xbc/0x520 [lustre] [557612.193508] __vfs_write+0xdc/0x150 [557612.202789] __kernel_write+0x4b/0xe0 [557612.202792] dump_emit+0x79/0xa0 [557612.210588] elf_core_dump+0x3fc/0xa40 [557612.210590] do_coredump+0x7e5/0x1080 [557612.210594] get_signal+0x161/0x7d0 [557612.222856] do_signal+0x23/0x650 [557612.222860] ? force_sig_info_fault+0x89/0xd0 [557612.231441] ? mm_fault_error+0xa3/0x13f [557612.231442] ? __do_page_fault+0x42f/0x4c0 [557612.231443] exit_to_usermode_loop+0x57/0x9c [557612.231447] ? page_fault+0x2f/0x50 [557612.231449] prepare_exit_to_usermode+0x3d/0x50 [557612.231451] retint_user+0x8/0x8 [557612.231452] RIP: 0033:0x402b9d [557612.231453] RSP: 002b:00002aaadf1f5d90 EFLAGS: 00010206 [557612.231454] RAX: 00002aaaae469a60 RBX: 0000000000000158 RCX: 0000000000000000 [557612.231454] RDX: 000000000208ca50 RSI: 00000000ffffffff RDI: 0000000000000000 [557612.231454] RBP: 00002aaadf1f5e50 R08: 0000000000010600 R09: 00002aab000908e0 [557612.231455] R10: 00002aab00000070 R11: 0000000000000005 R12: 0000000000000024 [557612.231455] R13: 00007fffffffa150 R14: 0000000000617c90 R15: 0000000000619510
Attachments
Issue Links
- is related to
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LU-14713 Process hung with waiting for mmap_sem
- Resolved