Editing crashreport #74943

ReasonCrashing FunctionWhere to cut BacktraceReports Count
BUG: unable to handle kernel NULL pointer dereferencedown_writedebugfs_remove_recursive
lprocfs_nodemap_remove
nodemap_destroy
nodemap_putref
nodemap_destroy
nodemap_putref
3

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Failures list (last 100):

Failing TestFull CrashMessages before crashComment
replay-single test complete, duration 274 sec
BUG: unable to handle kernel NULL pointer dereference at 00000000000000c0
PGD 0 P4D 0
Oops: 0002 [#1] SMP DEBUG_PAGEALLOC
CPU: 0 PID: 6 Comm: kworker/0:0 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 0xffffffffc0e72750
RIP: 0010:down_write+0x57/0xd0
Code: cf 91 ff ff 48 83 05 37 f4 f9 01 01 48 83 05 9f ee f9 01 01 65 ff 05 00 b3 04 48 48 83 05 98 ee f9 01 01 31 c0 ba 01 00 00 00 <f0> 48 0f b1 13 0f 94 c0 48 83 05 89 ee f9 01 01 84 c0 75 3e be 02
RSP: 0018:ffffb05cc0c87d98 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000000000c0 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000626 RDI: ffffffffb89869d4
RBP: ffff88bfacf48948 R08: 0000000000000000 R09: 0000000000000000
R10: ffff88bfb5f52880 R11: 00000000fffffff8 R12: ffff88bfacf489a0
R13: ffff88bfacf48a00 R14: ffffffffba8587d4 R15: ffff88bfacf48948
FS: 0000000000000000(0000) GS:ffff88bfc2000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000000c0 CR3: 0000000050e16004 CR4: 0000000000170ef0
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
? down_write+0x57/0xd0
? down_write+0x31/0xd0
debugfs_remove_recursive+0x59/0x260
? mutex_lock+0x31/0x70
lprocfs_nodemap_remove+0x1a/0x160 [ptlrpc]
nodemap_destroy+0x45/0x700 [ptlrpc]
nodemap_putref+0xd3/0x130 [ptlrpc]
nodemap_destroy+0x298/0x700 [ptlrpc]
nodemap_putref+0xd3/0x130 [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: zfs(O) spl(O) ldiskfs(O) lquota(O) ec(O) ptlrpc(O) obdclass(O) ksocklnd(O) lnet(O) libcfs(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 ata_piix ghash_clmulni_intel serio_raw libata dm_mirror dm_region_hash dm_log dm_mod sha512_ssse3 sha512_generic [last unloaded: ptlrpc_gss]
CR2: 00000000000000c0
Lustre: DEBUG MARKER: === replay-single: start cleanup 23:10:46 (1779419446) ===
Lustre: DEBUG MARKER: === replay-single: finish cleanup 23:10:48 (1779419448) ===
LustreError: lustre-MDT0000-osp-MDT0001: operation mds_statfs to node 0@lo failed: rc = -107
Lustre: lustre-MDT0000-osp-MDT0001: Connection to lustre-MDT0000 (at 0@lo) was lost; in progress operations using this service will wait for recovery to complete
Lustre: Skipped 2 previous similar messages
Lustre: lustre-MDT0000: Not available for connect from 0@lo (stopping)
Lustre: server umount lustre-MDT0000 complete
LustreError: 6596:0:(ldlm_lib.c:1182:target_handle_connect()) lustre-MDT0000: not available for connect from 0@lo (no target). If you are running an HA pair check that the target is mounted on the other server.
Lustre: lustre-MDT0000-lwp-OST0000: Connection to lustre-MDT0000 (at 0@lo) was lost; in progress operations using this service will wait for recovery to complete
LustreError: 6596:0:(ldlm_lib.c:1182:target_handle_connect()) Skipped 12 previous similar messages
LustreError: 6576:0:(ldlm_lockd.c:2564:ldlm_cancel_handler()) ldlm_cancel from 0@lo arrived at 1779419457 with bad export cookie 7080792776186128427
LustreError: MGC192.168.202.158@tcp: Connection to MGS (at 0@lo) was lost; in progress operations using this service will fail
LustreError: 6576:0:(ldlm_lockd.c:2564:ldlm_cancel_handler()) Skipped 3 previous similar messages
Lustre: server umount lustre-MDT0001 complete
Lustre: server umount lustre-OST0000 complete
Lustre: server umount lustre-OST0001 complete
Lustre: DEBUG MARKER: oleg258-server.virtnet: executing unload_modules_local
Key type lgssc unregistered
Link to test
replay-single test complete, duration 241 sec
BUG: unable to handle kernel NULL pointer dereference at 00000000000000c0
PGD 0 P4D 0
Oops: 0002 [#1] SMP DEBUG_PAGEALLOC
CPU: 0 PID: 6 Comm: kworker/0:0 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 0xffffffffc18e2750
RIP: 0010:down_write+0x57/0xd0
Code: cf 91 ff ff 48 83 05 37 f4 f9 01 01 48 83 05 9f ee f9 01 01 65 ff 05 00 b3 24 48 48 83 05 98 ee f9 01 01 31 c0 ba 01 00 00 00 <f0> 48 0f b1 13 0f 94 c0 48 83 05 89 ee f9 01 01 84 c0 75 3e be 02
RSP: 0018:ffffb36240c87d98 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000000000c0 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000626 RDI: ffffffffb87869d4
RBP: ffff90ca057815e8 R08: 0000000000000000 R09: 0000000000000000
R10: ffff90c906116b40 R11: 00000000ffffffe2 R12: ffff90ca05781640
R13: ffff90ca057816a0 R14: ffffffffba6587d4 R15: ffff90ca057815e8
FS: 0000000000000000(0000) GS:ffff90ca42000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000000c0 CR3: 00000000ab216005 CR4: 0000000000170ef0
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
? down_write+0x57/0xd0
? down_write+0x31/0xd0
debugfs_remove_recursive+0x59/0x260
? mutex_lock+0x31/0x70
lprocfs_nodemap_remove+0x1a/0x160 [ptlrpc]
nodemap_destroy+0x45/0x700 [ptlrpc]
nodemap_putref+0xd3/0x130 [ptlrpc]
nodemap_destroy+0x298/0x700 [ptlrpc]
nodemap_putref+0xd3/0x130 [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: lquota(O) ec(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 pcspkr i2c_piix4 squashfs crct10dif_pclmul crc32_pclmul ata_generic crc32c_intel ghash_clmulni_intel serio_raw ata_piix libata dm_mirror dm_region_hash dm_log dm_mod sha512_ssse3 sha512_generic [last unloaded: ptlrpc_gss]
CR2: 00000000000000c0
Lustre: DEBUG MARKER: === replay-single: start cleanup 23:09:45 (1779419385) ===
Lustre: DEBUG MARKER: === replay-single: finish cleanup 23:09:46 (1779419386) ===
LustreError: lustre-MDT0000-osp-MDT0001: operation mds_statfs to node 0@lo failed: rc = -107
Lustre: lustre-MDT0000-lwp-OST0000: Connection to lustre-MDT0000 (at 0@lo) was lost; in progress operations using this service will wait for recovery to complete
Lustre: lustre-MDT0000: Not available for connect from 0@lo (stopping)
Lustre: Skipped 6 previous similar messages
Lustre: server umount lustre-MDT0000 complete
LustreError: 9202:0:(ldlm_lib.c:1182:target_handle_connect()) lustre-MDT0000: not available for connect from 0@lo (no target). If you are running an HA pair check that the target is mounted on the other server.
LustreError: 9202:0:(ldlm_lib.c:1182:target_handle_connect()) Skipped 3 previous similar messages
LustreError: 6470:0:(ldlm_lockd.c:2564:ldlm_cancel_handler()) ldlm_cancel from 0@lo arrived at 1779419401 with bad export cookie 12782072568302625087
LustreError: MGC192.168.204.115@tcp: Connection to MGS (at 0@lo) was lost; in progress operations using this service will fail
LustreError: 6470:0:(ldlm_lockd.c:2564:ldlm_cancel_handler()) Skipped 1 previous similar message
Lustre: server umount lustre-MDT0001 complete
Lustre: server umount lustre-OST0000 complete
Lustre: server umount lustre-OST0001 complete
Lustre: DEBUG MARKER: oleg415-server.virtnet: executing unload_modules_local
Key type lgssc unregistered
Link to test
replay-single test complete, duration 228 sec
BUG: unable to handle kernel NULL pointer dereference at 00000000000000c0
PGD 0 P4D 0
Oops: 0002 [#1] SMP DEBUG_PAGEALLOC
CPU: 2 PID: 799 Comm: kworker/2:3 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 0xffffffffc18f8750
RIP: 0010:down_write+0x57/0xd0
Code: cf 91 ff ff 48 83 05 37 f4 f9 01 01 48 83 05 9f ee f9 01 01 65 ff 05 00 b3 44 7d 48 83 05 98 ee f9 01 01 31 c0 ba 01 00 00 00 <f0> 48 0f b1 13 0f 94 c0 48 83 05 89 ee f9 01 01 84 c0 75 3e be 02
RSP: 0018:ffffac9400f6fd98 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000000000c0 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000626 RDI: ffffffff835869d4
RBP: ffff969711297bd0 R08: 0000000000000000 R09: 0000000000000000
R10: ffff969707de3080 R11: 0000000000000007 R12: ffff969711297c28
R13: ffff969711297c88 R14: ffffffff854587d4 R15: ffff969711297bd0
FS: 0000000000000000(0000) GS:ffff969742100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000000c0 CR3: 0000000018e16002 CR4: 0000000000170ee0
Call Trace:
? show_regs.cold.9+0x22/0x2f
? __die_body+0x22/0x90
? __die+0x33/0x4a
? no_context+0x30f/0x5a0
? 0xffffffff81c00000
? __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
? down_write+0x57/0xd0
? down_write+0x31/0xd0
debugfs_remove_recursive+0x59/0x260
? mutex_lock+0x31/0x70
lprocfs_nodemap_remove+0x1a/0x160 [ptlrpc]
nodemap_destroy+0x45/0x700 [ptlrpc]
nodemap_putref+0xd3/0x130 [ptlrpc]
nodemap_destroy+0x298/0x700 [ptlrpc]
nodemap_putref+0xd3/0x130 [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: lquota(O) ec(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 crct10dif_pclmul crc32_pclmul crc32c_intel ata_generic ata_piix ghash_clmulni_intel serio_raw libata dm_mirror dm_region_hash dm_log dm_mod sha512_ssse3 sha512_generic [last unloaded: ptlrpc_gss]
CR2: 00000000000000c0
Lustre: DEBUG MARKER: === replay-single: start cleanup 23:09:13 (1779419353) ===
Lustre: DEBUG MARKER: === replay-single: finish cleanup 23:09:15 (1779419355) ===
LustreError: lustre-MDT0000-osp-MDT0001: operation mds_statfs to node 0@lo failed: rc = -107
Lustre: lustre-MDT0000-osp-MDT0001: Connection to lustre-MDT0000 (at 0@lo) was lost; in progress operations using this service will wait for recovery to complete
Lustre: lustre-MDT0000: Not available for connect from 0@lo (stopping)
Lustre: Skipped 3 previous similar messages
Lustre: Skipped 5 previous similar messages
Lustre: server umount lustre-MDT0000 complete
LustreError: 6489:0:(ldlm_lib.c:1182:target_handle_connect()) lustre-MDT0000: not available for connect from 0@lo (no target). If you are running an HA pair check that the target is mounted on the other server.
LustreError: 6489:0:(ldlm_lib.c:1182:target_handle_connect()) Skipped 3 previous similar messages
LustreError: 6470:0:(ldlm_lockd.c:2564:ldlm_cancel_handler()) ldlm_cancel from 0@lo arrived at 1779419367 with bad export cookie 8043050266150454617
LustreError: MGC192.168.203.142@tcp: Connection to MGS (at 0@lo) was lost; in progress operations using this service will fail
LustreError: 6470:0:(ldlm_lockd.c:2564:ldlm_cancel_handler()) Skipped 4 previous similar messages
Lustre: server umount lustre-MDT0001 complete
Lustre: server umount lustre-OST0000 complete
Lustre: server umount lustre-OST0001 complete
Lustre: DEBUG MARKER: oleg342-server.virtnet: executing unload_modules_local
Key type lgssc unregistered
Link to test
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