Editing crashreport #75410

ReasonCrashing FunctionWhere to cut BacktraceReports Count
BUG: unable to handle kernel NULL pointer dereferencedump_svc_thread_infoptlrpc_watchdog_fire
process_one_work
worker_thread
kthread
ret_from_fork
1

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Failures list (last 100):

Failing TestFull CrashMessages before crashLink and date
sanity test 422: kill a process with RPC in progress
BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
PGD 0 P4D 0
Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
CPU: 3 PID: 117790 Comm: kworker/3:0 Kdump: loaded Tainted: G O -------- - - 4.18.0rh8.10-debug #2
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.17.0-10.fc44 06/10/2025
Workqueue: events ptlrpc_watchdog_fire [ptlrpc]
RIP: 0010:dump_svc_thread_info+0x2dd/0x330 [ptlrpc]
Code: ff ff 48 c7 c2 7e 21 7b c1 48 8d 74 24 08 4c 89 ff 48 83 05 3c 72 26 00 01 e8 6f 99 04 00 49 8b 47 38 48 83 05 33 72 26 00 01 <48> 8b 00 48 8b 00 48 8b 80 48 03 00 00 e9 0c ff ff ff 48 c7 c2 7a
RSP: 0018:ffff9d9a83b3fdf0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffff9d9a83b3fe20
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8a55181d3180
RBP: 0000000000000003 R08: 0000000000000000 R09: c0000000ffff7fff
R10: 0000000000000001 R11: ffff9d9a83b3f8e0 R12: ffff9d9a83b3fe20
R13: 0000000000000020 R14: ffff8a540c729800 R15: ffff8a551ff25200
FS: 0000000000000000(0000) GS:ffff8a5542180000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000b4a16006 CR4: 0000000000170ee0
Call Trace:
? show_regs.cold.9+0x22/0x2f
? __die_body+0x22/0x90
? __die+0x33/0x4a
? no_context+0x30f/0x5a0
? __bad_area_nosemaphore+0x1c6/0x260
? bad_area_nosemaphore+0x1a/0x30
? do_user_addr_fault+0x540/0x8a0
? __do_page_fault+0x6b/0xa0
? do_page_fault+0x87/0x30f
? page_fault+0x1e/0x30
? dump_svc_thread_info+0x2dd/0x330 [ptlrpc]
ptlrpc_watchdog_fire+0x125/0x1c0 [ptlrpc]
process_one_work+0x2c8/0x700
worker_thread+0x296/0x6e0
? rescuer_thread+0x570/0x570
kthread+0x1d1/0x200
? set_kthread_struct+0x70/0x70
ret_from_fork+0x1f/0x30
Modules linked in: lustre(O) osp(O) ofd(O) lod(O) mdt(O) mdd(O) mgs(O) osd_zfs(O) lquota(O) lfsck(O) obdecho(O) mgc(O) mdc(O) lov(O) osc(O) lmv(O) ec(O) fid(O) fld(O) ptlrpc_gss(O) ptlrpc(O) obdclass(O) ksocklnd(O) lnet(O) libcfs(O) zfs(O) spl(O) rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver intel_rapl_msr intel_rapl_common sb_edac rapl i2c_piix4 pcspkr squashfs ata_generic crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel ata_piix serio_raw libata dm_mirror dm_region_hash dm_log dm_mod sha512_ssse3 sha512_generic
CR2: 0000000000000000
LustreError: 85157:0:(service.c:2613:ptlrpc_server_handle_request()) @@@ HIT req@ffff8a540a298000 x1875477401291392/t0(0) o101->c63a857f-7d2a-4396-b85d-69c744859d19@192.168.204.38@tcp:0/0 lens 576/584 e 0 to 0 dl 1788602897 ref 1 fl Interpret:/600/0 rc 0/0 job:'touch.0' uid:0 gid:0 projid:0
LustreError: 85158:0:(service.c:2614:ptlrpc_server_handle_request()) cfs_fail_timeout id 50a sleeping for 50000ms
LustreError: 85157:0:(service.c:2613:ptlrpc_server_handle_request()) Skipped 1 previous similar message
LustreError: 85158:0:(service.c:2614:ptlrpc_server_handle_request()) Skipped 1 previous similar message
LustreError: 85173:0:(mdd_dir.c:3668:mdd_rename()) cfs_fail_timeout id 722 sleeping for 47000ms
Lustre: lustre-MDT0000: Client c63a857f-7d2a-4396-b85d-69c744859d19 (at 192.168.204.38@tcp) reconnecting
Lustre: mdt00_001: service thread pid 85158 was inactive for 40.424 seconds. The thread might be hung, or it might only be slow and will resume later. Dumping the stack trace for debugging purposes:
task:mdt00_001 state:D stack:0 pid:85158 ppid:2 flags:0x80004000
Call Trace:
__schedule+0x351/0xcb0
schedule+0xc0/0x180
schedule_timeout+0xb4/0x190
? __next_timer_interrupt+0x160/0x160
? kvm_clock_get_cycles+0x2c/0x50
? ktime_get+0x65/0x110
schedule_timeout_uninterruptible+0x2d/0x40
__cfs_fail_timeout_set+0x13b/0x240 [libcfs]
ptlrpc_server_handle_request+0x12a0/0x1330 [ptlrpc]
? lprocfs_counter_add+0x15b/0x210 [obdclass]
ptlrpc_main+0xde7/0x15e0 [ptlrpc]
? ptlrpc_wait_event+0x6c0/0x6c0 [ptlrpc]
kthread+0x1d1/0x200
? set_kthread_struct+0x70/0x70
ret_from_fork+0x1f/0x30
Lustre: 117790:0:(service.c:2907:dump_svc_thread_info()) @@@ lustre-MDT0000: Thread mdt00_001:85158 is handling req@ffff8a5515a4df80 x1875477401291648/t21474863075(0) o101->c63a857f-7d2a-4396-b85d-69c744859d19@192.168.204.38@tcp:0/0 lens 760/664 e 0 to 0 dl 1788602897 ref 1 fl Interpret:/600/0 rc 0/0 job:'touch.0' uid:0 gid:0 projid:0
Lustre: 117790:0:(service.c:2920:dump_svc_thread_info()) ======Thread mdt00_001:85158 PRA dump START=========
Lustre: 117790:0:(mdt00_001:85158:02()) LOCK ns: ?? lock: ffff8a551ff25200/0x9bd0be80d6b3f4c6 lrc: 0/0,0 mode: --/PW res: ?? rrc=?? type: ??? flags: 0x44a19400000000 nid: local remote: 0x0 expref: -99 pid: 85158 timeout: 0 lvb_type: 0
Link to test (2026-09-05 06:17)
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