Public bug reported:
Two times (on October 11 and October 21st) we hadnext issue: server with
nfs-kernel-server.service: nfs service hangs forever at some point. The
load is not heavy (but I have never been able to check nfsstat or
nfsiostat on that server). The logs are the same bunch of messages (for
nfsd and kworker tasks respectively):
Oct 11 13:18:50 dataserv2 kernel: [689338.249129] INFO: task nfsd:5516 blocked
for more than 120 seconds.
Oct 11 13:18:50 dataserv2 kernel: [689338.249611] Not tainted
6.2.0-33-generic #33~22.04.1-Ubuntu
Oct 11 13:18:50 dataserv2 kernel: [689338.250041] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 11 13:18:50 dataserv2 kernel: [689338.250469] task:nfsd state:D
stack:0 pid:5516 ppid:2 flags:0x00004000
Oct 11 13:18:50 dataserv2 kernel: [689338.250477] Call Trace:
Oct 11 13:18:50 dataserv2 kernel: [689338.250480] <TASK>
Oct 11 13:18:50 dataserv2 kernel: [689338.250486] __schedule+0x2b7/0x5f0
Oct 11 13:18:50 dataserv2 kernel: [689338.250500] schedule+0x68/0x110
Oct 11 13:18:50 dataserv2 kernel: [689338.250508]
raid5_get_active_stripe+0x1f5/0x280 [raid456]
Oct 11 13:18:50 dataserv2 kernel: [689338.250526] ?
__pfx_autoremove_wake_function+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.250536]
make_stripe_request+0x9c/0x390 [raid456]
Oct 11 13:18:50 dataserv2 kernel: [689338.250550]
raid5_make_request+0x1ac/0x480 [raid456]
Oct 11 13:18:50 dataserv2 kernel: [689338.250562] ?
__pfx_woken_wake_function+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.250567] md_handle_request+0x140/0x1e0
Oct 11 13:18:50 dataserv2 kernel: [689338.250575] ?
__bio_split_to_limits+0x110/0x2b0
Oct 11 13:18:50 dataserv2 kernel: [689338.250581] md_submit_bio+0x66/0xb0
Oct 11 13:18:50 dataserv2 kernel: [689338.250586] __submit_bio+0xa4/0x1a0
Oct 11 13:18:50 dataserv2 kernel: [689338.250590]
__submit_bio_noacct+0x81/0x1f0
Oct 11 13:18:50 dataserv2 kernel: [689338.250593]
submit_bio_noacct_nocheck+0x102/0x1e0
Oct 11 13:18:50 dataserv2 kernel: [689338.250597] submit_bio_noacct+0x1d0/0x700
Oct 11 13:18:50 dataserv2 kernel: [689338.250600] submit_bio+0x28/0x90
Oct 11 13:18:50 dataserv2 kernel: [689338.250602] iomap_submit_ioend+0x53/0x90
Oct 11 13:18:50 dataserv2 kernel: [689338.250609]
iomap_writepage_map+0x217/0x430
Oct 11 13:18:50 dataserv2 kernel: [689338.250613]
iomap_do_writepage+0x161/0x240
Oct 11 13:18:50 dataserv2 kernel: [689338.250617] write_cache_pages+0x19c/0x540
Oct 11 13:18:50 dataserv2 kernel: [689338.250624] ?
__pfx_iomap_do_writepage+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.250629] iomap_writepages+0x21/0x50
Oct 11 13:18:50 dataserv2 kernel: [689338.250635] xfs_vm_writepages+0x82/0xc0
[xfs]
Oct 11 13:18:50 dataserv2 kernel: [689338.250790] do_writepages+0xd3/0x1e0
Oct 11 13:18:50 dataserv2 kernel: [689338.250794] ? iomap_iter+0x95/0x150
Oct 11 13:18:50 dataserv2 kernel: [689338.250798] ? iomap_zero_range+0x7a/0x280
Oct 11 13:18:50 dataserv2 kernel: [689338.250803]
filemap_fdatawrite_wbc+0x7c/0xb0
Oct 11 13:18:50 dataserv2 kernel: [689338.250808]
__filemap_fdatawrite_range+0x54/0x80
Oct 11 13:18:50 dataserv2 kernel: [689338.250813]
filemap_write_and_wait_range+0x5c/0xd0
Oct 11 13:18:50 dataserv2 kernel: [689338.250817] xfs_setattr_size+0x29b/0x3e0
[xfs]
Oct 11 13:18:50 dataserv2 kernel: [689338.250951]
xfs_vn_setattr_size+0x4a/0xb0 [xfs]
Oct 11 13:18:50 dataserv2 kernel: [689338.251053] xfs_vn_setattr+0x79/0x130
[xfs]
Oct 11 13:18:50 dataserv2 kernel: [689338.251155] notify_change+0x43b/0x5c0
Oct 11 13:18:50 dataserv2 kernel: [689338.251162] nfsd_setattr+0x20f/0x4b0
[nfsd]
Oct 11 13:18:50 dataserv2 kernel: [689338.251213] ? nfsd_setattr+0x20f/0x4b0
[nfsd]
Oct 11 13:18:50 dataserv2 kernel: [689338.251253]
nfsd3_proc_setattr+0xa1/0x100 [nfsd]
Oct 11 13:18:50 dataserv2 kernel: [689338.251300] nfsd_dispatch+0x176/0x2b0
[nfsd]
Oct 11 13:18:50 dataserv2 kernel: [689338.251346]
svc_process_common+0x36e/0x690 [sunrpc]
Oct 11 13:18:50 dataserv2 kernel: [689338.251409] ?
__pfx_nfsd_dispatch+0x10/0x10 [nfsd]
Oct 11 13:18:50 dataserv2 kernel: [689338.251449] ? __pfx_nfsd+0x10/0x10 [nfsd]
Oct 11 13:18:50 dataserv2 kernel: [689338.251489] svc_process+0xb2/0x110
[sunrpc]
Oct 11 13:18:50 dataserv2 kernel: [689338.251537] nfsd+0xda/0x1c0 [nfsd]
Oct 11 13:18:50 dataserv2 kernel: [689338.251577] kthread+0xee/0x120
Oct 11 13:18:50 dataserv2 kernel: [689338.251584] ? __pfx_kthread+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.251588] ret_from_fork+0x2c/0x50
Oct 11 13:18:50 dataserv2 kernel: [689338.251594] </TASK>
Oct 11 13:18:50 dataserv2 kernel: [689338.251640] INFO: task
kworker/u194:3:470724 blocked for more than 120 seconds.
Oct 11 13:18:50 dataserv2 kernel: [689338.252079] Not tainted
6.2.0-33-generic #33~22.04.1-Ubuntu
Oct 11 13:18:50 dataserv2 kernel: [689338.252511] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 11 13:18:50 dataserv2 kernel: [689338.252966] task:kworker/u194:3 state:D
stack:0 pid:470724 ppid:2 flags:0x00004000
Oct 11 13:18:50 dataserv2 kernel: [689338.252973] Workqueue: writeback
wb_workfn (flush-253:7)
Oct 11 13:18:50 dataserv2 kernel: [689338.252982] Call Trace:
Oct 11 13:18:50 dataserv2 kernel: [689338.252984] <TASK>
Oct 11 13:18:50 dataserv2 kernel: [689338.252986] __schedule+0x2b7/0x5f0
Oct 11 13:18:50 dataserv2 kernel: [689338.252992] ? __blk_flush_plug+0xc4/0x130
Oct 11 13:18:50 dataserv2 kernel: [689338.252997] schedule+0x68/0x110
Oct 11 13:18:50 dataserv2 kernel: [689338.253003]
raid5_get_active_stripe+0x1f5/0x280 [raid456]
Oct 11 13:18:50 dataserv2 kernel: [689338.253016] ?
__pfx_autoremove_wake_function+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.253023]
make_stripe_request+0x9c/0x390 [raid456]
Oct 11 13:18:50 dataserv2 kernel: [689338.253036]
raid5_make_request+0x1ac/0x480 [raid456]
Oct 11 13:18:50 dataserv2 kernel: [689338.253049] ?
__pfx_woken_wake_function+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.253054] md_handle_request+0x140/0x1e0
Oct 11 13:18:50 dataserv2 kernel: [689338.253058] ?
__bio_split_to_limits+0x98/0x2b0
Oct 11 13:18:50 dataserv2 kernel: [689338.253063] md_submit_bio+0x66/0xb0
Oct 11 13:18:50 dataserv2 kernel: [689338.253069] __submit_bio+0xa4/0x1a0
Oct 11 13:18:50 dataserv2 kernel: [689338.253073]
__submit_bio_noacct+0x81/0x1f0
Oct 11 13:18:50 dataserv2 kernel: [689338.253077]
submit_bio_noacct_nocheck+0x102/0x1e0
Oct 11 13:18:50 dataserv2 kernel: [689338.253083] ?
folio_memcg_unlock+0x38/0x80
Oct 11 13:18:50 dataserv2 kernel: [689338.253091] submit_bio_noacct+0x1d0/0x700
Oct 11 13:18:50 dataserv2 kernel: [689338.253097] submit_bio+0x28/0x90
Oct 11 13:18:50 dataserv2 kernel: [689338.253101] iomap_submit_ioend+0x53/0x90
Oct 11 13:18:50 dataserv2 kernel: [689338.253105]
iomap_writepage_map+0x217/0x430
Oct 11 13:18:50 dataserv2 kernel: [689338.253110]
iomap_do_writepage+0x161/0x240
Oct 11 13:18:50 dataserv2 kernel: [689338.253115] write_cache_pages+0x19c/0x540
Oct 11 13:18:50 dataserv2 kernel: [689338.253119] ?
__pfx_iomap_do_writepage+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.253126] iomap_writepages+0x21/0x50
Oct 11 13:18:50 dataserv2 kernel: [689338.253129] xfs_vm_writepages+0x82/0xc0
[xfs]
Oct 11 13:18:50 dataserv2 kernel: [689338.253257] do_writepages+0xd3/0x1e0
Oct 11 13:18:50 dataserv2 kernel: [689338.253264]
__writeback_single_inode+0x44/0x280
Oct 11 13:18:50 dataserv2 kernel: [689338.253270]
writeback_sb_inodes+0x22f/0x500
Oct 11 13:18:50 dataserv2 kernel: [689338.253278]
__writeback_inodes_wb+0x56/0xf0
Oct 11 13:18:50 dataserv2 kernel: [689338.253282] wb_writeback+0x1db/0x2d0
Oct 11 13:18:50 dataserv2 kernel: [689338.253288] wb_do_writeback+0x293/0x2a0
Oct 11 13:18:50 dataserv2 kernel: [689338.253293] wb_workfn+0x61/0x240
Oct 11 13:18:50 dataserv2 kernel: [689338.253299] ?
_raw_spin_lock_irqsave+0xe/0x20
Oct 11 13:18:50 dataserv2 kernel: [689338.253307] ? try_to_wake_up+0x6c/0x630
Oct 11 13:18:50 dataserv2 kernel: [689338.253315] process_one_work+0x21f/0x440
Oct 11 13:18:50 dataserv2 kernel: [689338.253321] worker_thread+0x50/0x3f0
Oct 11 13:18:50 dataserv2 kernel: [689338.253326] ?
__pfx_worker_thread+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.253330] kthread+0xee/0x120
Oct 11 13:18:50 dataserv2 kernel: [689338.253334] ? __pfx_kthread+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.253339] ret_from_fork+0x2c/0x50
Oct 11 13:18:50 dataserv2 kernel: [689338.253343] </TASK>
Oct 21 06:28:47 dataserv2 kernel: INFO: task nfsd:5416 blocked for more than
120 seconds.
Oct 21 06:28:47 dataserv2 kernel: Not tainted 6.2.0-34-generic
#34~22.04.1-Ubuntu
Oct 21 06:28:47 dataserv2 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 21 06:28:47 dataserv2 kernel: task:nfsd state:D stack:0
pid:5416 ppid:2 flags:0x00004000
Oct 21 06:28:47 dataserv2 kernel: Call Trace:
Oct 21 06:28:47 dataserv2 kernel: <TASK>
Oct 21 06:28:47 dataserv2 kernel: __schedule+0x2b7/0x5f0
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: schedule+0x68/0x110
Oct 21 06:28:47 dataserv2 kernel: raid5_get_active_stripe+0x1f5/0x280 [raid456]
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_autoremove_wake_function+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: make_stripe_request+0x9c/0x390 [raid456]
Oct 21 06:28:47 dataserv2 kernel: raid5_make_request+0x1ac/0x480 [raid456]
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_woken_wake_function+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: md_handle_request+0x140/0x1e0
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: ? __bio_split_to_limits+0x98/0x2b0
Oct 21 06:28:47 dataserv2 kernel: md_submit_bio+0x66/0xb0
Oct 21 06:28:47 dataserv2 kernel: __submit_bio+0xa4/0x1a0
Oct 21 06:28:47 dataserv2 kernel: __submit_bio_noacct+0x81/0x1f0
Oct 21 06:28:47 dataserv2 kernel: submit_bio_noacct_nocheck+0x102/0x1e0
Oct 21 06:28:47 dataserv2 kernel: submit_bio_noacct+0x1d0/0x700
Oct 21 06:28:47 dataserv2 kernel: submit_bio+0x28/0x90
Oct 21 06:28:47 dataserv2 kernel: ? bio_clone_blkg_association+0x20/0x40
Oct 21 06:28:47 dataserv2 kernel: iomap_add_to_ioend+0x2a7/0x2d0
Oct 21 06:28:47 dataserv2 kernel: iomap_writepage_map+0x113/0x430
Oct 21 06:28:47 dataserv2 kernel: iomap_do_writepage+0x161/0x240
Oct 21 06:28:47 dataserv2 kernel: write_cache_pages+0x19c/0x540
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_iomap_do_writepage+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: ? __br_fdb_add+0xbf/0x170 [bridge]
Oct 21 06:28:47 dataserv2 kernel: iomap_writepages+0x21/0x50
Oct 21 06:28:47 dataserv2 kernel: xfs_vm_writepages+0x82/0xc0 [xfs]
Oct 21 06:28:47 dataserv2 kernel: do_writepages+0xd3/0x1e0
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: ? iomap_iter+0x95/0x150
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: ? iomap_zero_range+0x7a/0x280
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: filemap_fdatawrite_wbc+0x7c/0xb0
Oct 21 06:28:47 dataserv2 kernel: __filemap_fdatawrite_range+0x54/0x80
Oct 21 06:28:47 dataserv2 kernel: filemap_write_and_wait_range+0x5c/0xd0
Oct 21 06:28:47 dataserv2 kernel: xfs_setattr_size+0x29b/0x3e0 [xfs]
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: xfs_vn_setattr_size+0x4a/0xb0 [xfs]
Oct 21 06:28:47 dataserv2 kernel: xfs_vn_setattr+0x79/0x130 [xfs]
Oct 21 06:28:47 dataserv2 kernel: notify_change+0x43b/0x5c0
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: ? nfsd_setuser+0x12e/0x2c0 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: __nfsd_setattr+0x66/0xd0 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: ? __nfsd_setattr+0x66/0xd0 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: nfsd_setattr+0x21d/0x480 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: nfsd3_proc_setattr+0xa1/0x100 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: nfsd_dispatch+0x176/0x2b0 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: svc_process_common+0x36e/0x690 [sunrpc]
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_nfsd_dispatch+0x10/0x10 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_nfsd+0x10/0x10 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: svc_process+0xb2/0x110 [sunrpc]
Oct 21 06:28:47 dataserv2 kernel: nfsd+0xda/0x1c0 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: kthread+0xee/0x120
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_kthread+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: ret_from_fork+0x2c/0x50
Oct 21 06:28:47 dataserv2 kernel: </TASK>
Oct 21 06:28:47 dataserv2 kernel: INFO: task kworker/u193:4:530942 blocked for
more than 120 seconds.
Oct 21 06:28:47 dataserv2 kernel: Not tainted 6.2.0-34-generic
#34~22.04.1-Ubuntu
Oct 21 06:28:47 dataserv2 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 21 06:28:47 dataserv2 kernel: task:kworker/u193:4 state:D stack:0
pid:530942 ppid:2 flags:0x00004000
Oct 21 06:28:47 dataserv2 kernel: Workqueue: writeback wb_workfn (flush-253:7)
Oct 21 06:28:47 dataserv2 kernel: Call Trace:
Oct 21 06:28:47 dataserv2 kernel: <TASK>
Oct 21 06:28:47 dataserv2 kernel: __schedule+0x2b7/0x5f0
Oct 21 06:28:47 dataserv2 kernel: ? __blk_flush_plug+0xc4/0x130
Oct 21 06:28:47 dataserv2 kernel: schedule+0x68/0x110
Oct 21 06:28:47 dataserv2 kernel: raid5_get_active_stripe+0x1f5/0x280 [raid456]
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_autoremove_wake_function+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: make_stripe_request+0x9c/0x390 [raid456]
Oct 21 06:28:47 dataserv2 kernel: raid5_make_request+0x1ac/0x480 [raid456]
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_woken_wake_function+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: md_handle_request+0x140/0x1e0
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: ? __bio_split_to_limits+0x98/0x2b0
Oct 21 06:28:47 dataserv2 kernel: md_submit_bio+0x66/0xb0
Oct 21 06:28:47 dataserv2 kernel: __submit_bio+0xa4/0x1a0
Oct 21 06:28:47 dataserv2 kernel: __submit_bio_noacct+0x81/0x1f0
Oct 21 06:28:47 dataserv2 kernel: submit_bio_noacct_nocheck+0x102/0x1e0
Oct 21 06:28:47 dataserv2 kernel: ? folio_memcg_unlock+0x38/0x80
Oct 21 06:28:47 dataserv2 kernel: submit_bio_noacct+0x1d0/0x700
Oct 21 06:28:47 dataserv2 kernel: submit_bio+0x28/0x90
Oct 21 06:28:47 dataserv2 kernel: iomap_submit_ioend+0x53/0x90
Oct 21 06:28:47 dataserv2 kernel: iomap_writepage_map+0x217/0x430
Oct 21 06:28:47 dataserv2 kernel: iomap_do_writepage+0x161/0x240
Oct 21 06:28:47 dataserv2 kernel: write_cache_pages+0x19c/0x540
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_iomap_do_writepage+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: iomap_writepages+0x21/0x50
Oct 21 06:28:47 dataserv2 kernel: xfs_vm_writepages+0x82/0xc0 [xfs]
Oct 21 06:28:47 dataserv2 kernel: do_writepages+0xd3/0x1e0
Oct 21 06:28:47 dataserv2 kernel: __writeback_single_inode+0x44/0x280
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: writeback_sb_inodes+0x22f/0x500
Oct 21 06:28:47 dataserv2 kernel: __writeback_inodes_wb+0x56/0xf0
Oct 21 06:28:47 dataserv2 kernel: wb_writeback+0x1db/0x2d0
Oct 21 06:28:47 dataserv2 kernel: wb_do_writeback+0x1d0/0x2a0
Oct 21 06:28:47 dataserv2 kernel: wb_workfn+0x61/0x240
Oct 21 06:28:47 dataserv2 kernel: ? raw_spin_rq_unlock+0x10/0x40
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: ? finish_task_switch.isra.0+0x84/0x290
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: ? __schedule+0x2bf/0x5f0
Oct 21 06:28:47 dataserv2 kernel: ? fsnotify_mark_destroy_workfn+0xc6/0x110
Oct 21 06:28:47 dataserv2 kernel: process_one_work+0x21f/0x440
Oct 21 06:28:47 dataserv2 kernel: worker_thread+0x50/0x3f0
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_worker_thread+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: kthread+0xee/0x120
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_kthread+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: ret_from_fork+0x2c/0x50
Oct 21 06:28:47 dataserv2 kernel: </TASK>
nfsd service is not active, when I check it after receiving these messages. All
the clients are losing nfs mounts.
kernel version was 6.2.0-34-generic, I upgraded it to 6.2.0-35-generic, so
version_signature is changed. Didn't have the same problem yet but can't be
sure if it is stable now.
Next command (I wanted to use for bug report data collection) gives me an
error, therefore I cannot submit an output:
lspci -vnvn > lspci-vnvn.log
pcilib: sysfs_read_vpd: read failed: No such device
What logs should I submit?
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2041777
Title:
nfsd hangs forever
Status in linux package in Ubuntu:
New
Bug description:
Two times (on October 11 and October 21st) we hadnext issue: server
with nfs-kernel-server.service: nfs service hangs forever at some
point. The load is not heavy (but I have never been able to check
nfsstat or nfsiostat on that server). The logs are the same bunch of
messages (for nfsd and kworker tasks respectively):
Oct 11 13:18:50 dataserv2 kernel: [689338.249129] INFO: task nfsd:5516
blocked for more than 120 seconds.
Oct 11 13:18:50 dataserv2 kernel: [689338.249611] Not tainted
6.2.0-33-generic #33~22.04.1-Ubuntu
Oct 11 13:18:50 dataserv2 kernel: [689338.250041] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 11 13:18:50 dataserv2 kernel: [689338.250469] task:nfsd
state:D stack:0 pid:5516 ppid:2 flags:0x00004000
Oct 11 13:18:50 dataserv2 kernel: [689338.250477] Call Trace:
Oct 11 13:18:50 dataserv2 kernel: [689338.250480] <TASK>
Oct 11 13:18:50 dataserv2 kernel: [689338.250486] __schedule+0x2b7/0x5f0
Oct 11 13:18:50 dataserv2 kernel: [689338.250500] schedule+0x68/0x110
Oct 11 13:18:50 dataserv2 kernel: [689338.250508]
raid5_get_active_stripe+0x1f5/0x280 [raid456]
Oct 11 13:18:50 dataserv2 kernel: [689338.250526] ?
__pfx_autoremove_wake_function+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.250536]
make_stripe_request+0x9c/0x390 [raid456]
Oct 11 13:18:50 dataserv2 kernel: [689338.250550]
raid5_make_request+0x1ac/0x480 [raid456]
Oct 11 13:18:50 dataserv2 kernel: [689338.250562] ?
__pfx_woken_wake_function+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.250567]
md_handle_request+0x140/0x1e0
Oct 11 13:18:50 dataserv2 kernel: [689338.250575] ?
__bio_split_to_limits+0x110/0x2b0
Oct 11 13:18:50 dataserv2 kernel: [689338.250581] md_submit_bio+0x66/0xb0
Oct 11 13:18:50 dataserv2 kernel: [689338.250586] __submit_bio+0xa4/0x1a0
Oct 11 13:18:50 dataserv2 kernel: [689338.250590]
__submit_bio_noacct+0x81/0x1f0
Oct 11 13:18:50 dataserv2 kernel: [689338.250593]
submit_bio_noacct_nocheck+0x102/0x1e0
Oct 11 13:18:50 dataserv2 kernel: [689338.250597]
submit_bio_noacct+0x1d0/0x700
Oct 11 13:18:50 dataserv2 kernel: [689338.250600] submit_bio+0x28/0x90
Oct 11 13:18:50 dataserv2 kernel: [689338.250602]
iomap_submit_ioend+0x53/0x90
Oct 11 13:18:50 dataserv2 kernel: [689338.250609]
iomap_writepage_map+0x217/0x430
Oct 11 13:18:50 dataserv2 kernel: [689338.250613]
iomap_do_writepage+0x161/0x240
Oct 11 13:18:50 dataserv2 kernel: [689338.250617]
write_cache_pages+0x19c/0x540
Oct 11 13:18:50 dataserv2 kernel: [689338.250624] ?
__pfx_iomap_do_writepage+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.250629] iomap_writepages+0x21/0x50
Oct 11 13:18:50 dataserv2 kernel: [689338.250635]
xfs_vm_writepages+0x82/0xc0 [xfs]
Oct 11 13:18:50 dataserv2 kernel: [689338.250790] do_writepages+0xd3/0x1e0
Oct 11 13:18:50 dataserv2 kernel: [689338.250794] ? iomap_iter+0x95/0x150
Oct 11 13:18:50 dataserv2 kernel: [689338.250798] ?
iomap_zero_range+0x7a/0x280
Oct 11 13:18:50 dataserv2 kernel: [689338.250803]
filemap_fdatawrite_wbc+0x7c/0xb0
Oct 11 13:18:50 dataserv2 kernel: [689338.250808]
__filemap_fdatawrite_range+0x54/0x80
Oct 11 13:18:50 dataserv2 kernel: [689338.250813]
filemap_write_and_wait_range+0x5c/0xd0
Oct 11 13:18:50 dataserv2 kernel: [689338.250817]
xfs_setattr_size+0x29b/0x3e0 [xfs]
Oct 11 13:18:50 dataserv2 kernel: [689338.250951]
xfs_vn_setattr_size+0x4a/0xb0 [xfs]
Oct 11 13:18:50 dataserv2 kernel: [689338.251053] xfs_vn_setattr+0x79/0x130
[xfs]
Oct 11 13:18:50 dataserv2 kernel: [689338.251155] notify_change+0x43b/0x5c0
Oct 11 13:18:50 dataserv2 kernel: [689338.251162] nfsd_setattr+0x20f/0x4b0
[nfsd]
Oct 11 13:18:50 dataserv2 kernel: [689338.251213] ? nfsd_setattr+0x20f/0x4b0
[nfsd]
Oct 11 13:18:50 dataserv2 kernel: [689338.251253]
nfsd3_proc_setattr+0xa1/0x100 [nfsd]
Oct 11 13:18:50 dataserv2 kernel: [689338.251300] nfsd_dispatch+0x176/0x2b0
[nfsd]
Oct 11 13:18:50 dataserv2 kernel: [689338.251346]
svc_process_common+0x36e/0x690 [sunrpc]
Oct 11 13:18:50 dataserv2 kernel: [689338.251409] ?
__pfx_nfsd_dispatch+0x10/0x10 [nfsd]
Oct 11 13:18:50 dataserv2 kernel: [689338.251449] ? __pfx_nfsd+0x10/0x10
[nfsd]
Oct 11 13:18:50 dataserv2 kernel: [689338.251489] svc_process+0xb2/0x110
[sunrpc]
Oct 11 13:18:50 dataserv2 kernel: [689338.251537] nfsd+0xda/0x1c0 [nfsd]
Oct 11 13:18:50 dataserv2 kernel: [689338.251577] kthread+0xee/0x120
Oct 11 13:18:50 dataserv2 kernel: [689338.251584] ? __pfx_kthread+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.251588] ret_from_fork+0x2c/0x50
Oct 11 13:18:50 dataserv2 kernel: [689338.251594] </TASK>
Oct 11 13:18:50 dataserv2 kernel: [689338.251640] INFO: task
kworker/u194:3:470724 blocked for more than 120 seconds.
Oct 11 13:18:50 dataserv2 kernel: [689338.252079] Not tainted
6.2.0-33-generic #33~22.04.1-Ubuntu
Oct 11 13:18:50 dataserv2 kernel: [689338.252511] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 11 13:18:50 dataserv2 kernel: [689338.252966] task:kworker/u194:3
state:D stack:0 pid:470724 ppid:2 flags:0x00004000
Oct 11 13:18:50 dataserv2 kernel: [689338.252973] Workqueue: writeback
wb_workfn (flush-253:7)
Oct 11 13:18:50 dataserv2 kernel: [689338.252982] Call Trace:
Oct 11 13:18:50 dataserv2 kernel: [689338.252984] <TASK>
Oct 11 13:18:50 dataserv2 kernel: [689338.252986] __schedule+0x2b7/0x5f0
Oct 11 13:18:50 dataserv2 kernel: [689338.252992] ?
__blk_flush_plug+0xc4/0x130
Oct 11 13:18:50 dataserv2 kernel: [689338.252997] schedule+0x68/0x110
Oct 11 13:18:50 dataserv2 kernel: [689338.253003]
raid5_get_active_stripe+0x1f5/0x280 [raid456]
Oct 11 13:18:50 dataserv2 kernel: [689338.253016] ?
__pfx_autoremove_wake_function+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.253023]
make_stripe_request+0x9c/0x390 [raid456]
Oct 11 13:18:50 dataserv2 kernel: [689338.253036]
raid5_make_request+0x1ac/0x480 [raid456]
Oct 11 13:18:50 dataserv2 kernel: [689338.253049] ?
__pfx_woken_wake_function+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.253054]
md_handle_request+0x140/0x1e0
Oct 11 13:18:50 dataserv2 kernel: [689338.253058] ?
__bio_split_to_limits+0x98/0x2b0
Oct 11 13:18:50 dataserv2 kernel: [689338.253063] md_submit_bio+0x66/0xb0
Oct 11 13:18:50 dataserv2 kernel: [689338.253069] __submit_bio+0xa4/0x1a0
Oct 11 13:18:50 dataserv2 kernel: [689338.253073]
__submit_bio_noacct+0x81/0x1f0
Oct 11 13:18:50 dataserv2 kernel: [689338.253077]
submit_bio_noacct_nocheck+0x102/0x1e0
Oct 11 13:18:50 dataserv2 kernel: [689338.253083] ?
folio_memcg_unlock+0x38/0x80
Oct 11 13:18:50 dataserv2 kernel: [689338.253091]
submit_bio_noacct+0x1d0/0x700
Oct 11 13:18:50 dataserv2 kernel: [689338.253097] submit_bio+0x28/0x90
Oct 11 13:18:50 dataserv2 kernel: [689338.253101]
iomap_submit_ioend+0x53/0x90
Oct 11 13:18:50 dataserv2 kernel: [689338.253105]
iomap_writepage_map+0x217/0x430
Oct 11 13:18:50 dataserv2 kernel: [689338.253110]
iomap_do_writepage+0x161/0x240
Oct 11 13:18:50 dataserv2 kernel: [689338.253115]
write_cache_pages+0x19c/0x540
Oct 11 13:18:50 dataserv2 kernel: [689338.253119] ?
__pfx_iomap_do_writepage+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.253126] iomap_writepages+0x21/0x50
Oct 11 13:18:50 dataserv2 kernel: [689338.253129]
xfs_vm_writepages+0x82/0xc0 [xfs]
Oct 11 13:18:50 dataserv2 kernel: [689338.253257] do_writepages+0xd3/0x1e0
Oct 11 13:18:50 dataserv2 kernel: [689338.253264]
__writeback_single_inode+0x44/0x280
Oct 11 13:18:50 dataserv2 kernel: [689338.253270]
writeback_sb_inodes+0x22f/0x500
Oct 11 13:18:50 dataserv2 kernel: [689338.253278]
__writeback_inodes_wb+0x56/0xf0
Oct 11 13:18:50 dataserv2 kernel: [689338.253282] wb_writeback+0x1db/0x2d0
Oct 11 13:18:50 dataserv2 kernel: [689338.253288] wb_do_writeback+0x293/0x2a0
Oct 11 13:18:50 dataserv2 kernel: [689338.253293] wb_workfn+0x61/0x240
Oct 11 13:18:50 dataserv2 kernel: [689338.253299] ?
_raw_spin_lock_irqsave+0xe/0x20
Oct 11 13:18:50 dataserv2 kernel: [689338.253307] ? try_to_wake_up+0x6c/0x630
Oct 11 13:18:50 dataserv2 kernel: [689338.253315]
process_one_work+0x21f/0x440
Oct 11 13:18:50 dataserv2 kernel: [689338.253321] worker_thread+0x50/0x3f0
Oct 11 13:18:50 dataserv2 kernel: [689338.253326] ?
__pfx_worker_thread+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.253330] kthread+0xee/0x120
Oct 11 13:18:50 dataserv2 kernel: [689338.253334] ? __pfx_kthread+0x10/0x10
Oct 11 13:18:50 dataserv2 kernel: [689338.253339] ret_from_fork+0x2c/0x50
Oct 11 13:18:50 dataserv2 kernel: [689338.253343] </TASK>
Oct 21 06:28:47 dataserv2 kernel: INFO: task nfsd:5416 blocked for more than
120 seconds.
Oct 21 06:28:47 dataserv2 kernel: Not tainted 6.2.0-34-generic
#34~22.04.1-Ubuntu
Oct 21 06:28:47 dataserv2 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 21 06:28:47 dataserv2 kernel: task:nfsd state:D stack:0
pid:5416 ppid:2 flags:0x00004000
Oct 21 06:28:47 dataserv2 kernel: Call Trace:
Oct 21 06:28:47 dataserv2 kernel: <TASK>
Oct 21 06:28:47 dataserv2 kernel: __schedule+0x2b7/0x5f0
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: schedule+0x68/0x110
Oct 21 06:28:47 dataserv2 kernel: raid5_get_active_stripe+0x1f5/0x280
[raid456]
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_autoremove_wake_function+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: make_stripe_request+0x9c/0x390 [raid456]
Oct 21 06:28:47 dataserv2 kernel: raid5_make_request+0x1ac/0x480 [raid456]
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_woken_wake_function+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: md_handle_request+0x140/0x1e0
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: ? __bio_split_to_limits+0x98/0x2b0
Oct 21 06:28:47 dataserv2 kernel: md_submit_bio+0x66/0xb0
Oct 21 06:28:47 dataserv2 kernel: __submit_bio+0xa4/0x1a0
Oct 21 06:28:47 dataserv2 kernel: __submit_bio_noacct+0x81/0x1f0
Oct 21 06:28:47 dataserv2 kernel: submit_bio_noacct_nocheck+0x102/0x1e0
Oct 21 06:28:47 dataserv2 kernel: submit_bio_noacct+0x1d0/0x700
Oct 21 06:28:47 dataserv2 kernel: submit_bio+0x28/0x90
Oct 21 06:28:47 dataserv2 kernel: ? bio_clone_blkg_association+0x20/0x40
Oct 21 06:28:47 dataserv2 kernel: iomap_add_to_ioend+0x2a7/0x2d0
Oct 21 06:28:47 dataserv2 kernel: iomap_writepage_map+0x113/0x430
Oct 21 06:28:47 dataserv2 kernel: iomap_do_writepage+0x161/0x240
Oct 21 06:28:47 dataserv2 kernel: write_cache_pages+0x19c/0x540
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_iomap_do_writepage+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: ? __br_fdb_add+0xbf/0x170 [bridge]
Oct 21 06:28:47 dataserv2 kernel: iomap_writepages+0x21/0x50
Oct 21 06:28:47 dataserv2 kernel: xfs_vm_writepages+0x82/0xc0 [xfs]
Oct 21 06:28:47 dataserv2 kernel: do_writepages+0xd3/0x1e0
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: ? iomap_iter+0x95/0x150
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: ? iomap_zero_range+0x7a/0x280
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: filemap_fdatawrite_wbc+0x7c/0xb0
Oct 21 06:28:47 dataserv2 kernel: __filemap_fdatawrite_range+0x54/0x80
Oct 21 06:28:47 dataserv2 kernel: filemap_write_and_wait_range+0x5c/0xd0
Oct 21 06:28:47 dataserv2 kernel: xfs_setattr_size+0x29b/0x3e0 [xfs]
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: xfs_vn_setattr_size+0x4a/0xb0 [xfs]
Oct 21 06:28:47 dataserv2 kernel: xfs_vn_setattr+0x79/0x130 [xfs]
Oct 21 06:28:47 dataserv2 kernel: notify_change+0x43b/0x5c0
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: ? nfsd_setuser+0x12e/0x2c0 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: __nfsd_setattr+0x66/0xd0 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: ? __nfsd_setattr+0x66/0xd0 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: nfsd_setattr+0x21d/0x480 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: nfsd3_proc_setattr+0xa1/0x100 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: nfsd_dispatch+0x176/0x2b0 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: svc_process_common+0x36e/0x690 [sunrpc]
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_nfsd_dispatch+0x10/0x10 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_nfsd+0x10/0x10 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: svc_process+0xb2/0x110 [sunrpc]
Oct 21 06:28:47 dataserv2 kernel: nfsd+0xda/0x1c0 [nfsd]
Oct 21 06:28:47 dataserv2 kernel: kthread+0xee/0x120
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_kthread+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: ret_from_fork+0x2c/0x50
Oct 21 06:28:47 dataserv2 kernel: </TASK>
Oct 21 06:28:47 dataserv2 kernel: INFO: task kworker/u193:4:530942 blocked
for more than 120 seconds.
Oct 21 06:28:47 dataserv2 kernel: Not tainted 6.2.0-34-generic
#34~22.04.1-Ubuntu
Oct 21 06:28:47 dataserv2 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 21 06:28:47 dataserv2 kernel: task:kworker/u193:4 state:D stack:0
pid:530942 ppid:2 flags:0x00004000
Oct 21 06:28:47 dataserv2 kernel: Workqueue: writeback wb_workfn (flush-253:7)
Oct 21 06:28:47 dataserv2 kernel: Call Trace:
Oct 21 06:28:47 dataserv2 kernel: <TASK>
Oct 21 06:28:47 dataserv2 kernel: __schedule+0x2b7/0x5f0
Oct 21 06:28:47 dataserv2 kernel: ? __blk_flush_plug+0xc4/0x130
Oct 21 06:28:47 dataserv2 kernel: schedule+0x68/0x110
Oct 21 06:28:47 dataserv2 kernel: raid5_get_active_stripe+0x1f5/0x280
[raid456]
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_autoremove_wake_function+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: make_stripe_request+0x9c/0x390 [raid456]
Oct 21 06:28:47 dataserv2 kernel: raid5_make_request+0x1ac/0x480 [raid456]
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_woken_wake_function+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: md_handle_request+0x140/0x1e0
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: ? __bio_split_to_limits+0x98/0x2b0
Oct 21 06:28:47 dataserv2 kernel: md_submit_bio+0x66/0xb0
Oct 21 06:28:47 dataserv2 kernel: __submit_bio+0xa4/0x1a0
Oct 21 06:28:47 dataserv2 kernel: __submit_bio_noacct+0x81/0x1f0
Oct 21 06:28:47 dataserv2 kernel: submit_bio_noacct_nocheck+0x102/0x1e0
Oct 21 06:28:47 dataserv2 kernel: ? folio_memcg_unlock+0x38/0x80
Oct 21 06:28:47 dataserv2 kernel: submit_bio_noacct+0x1d0/0x700
Oct 21 06:28:47 dataserv2 kernel: submit_bio+0x28/0x90
Oct 21 06:28:47 dataserv2 kernel: iomap_submit_ioend+0x53/0x90
Oct 21 06:28:47 dataserv2 kernel: iomap_writepage_map+0x217/0x430
Oct 21 06:28:47 dataserv2 kernel: iomap_do_writepage+0x161/0x240
Oct 21 06:28:47 dataserv2 kernel: write_cache_pages+0x19c/0x540
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_iomap_do_writepage+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: iomap_writepages+0x21/0x50
Oct 21 06:28:47 dataserv2 kernel: xfs_vm_writepages+0x82/0xc0 [xfs]
Oct 21 06:28:47 dataserv2 kernel: do_writepages+0xd3/0x1e0
Oct 21 06:28:47 dataserv2 kernel: __writeback_single_inode+0x44/0x280
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: writeback_sb_inodes+0x22f/0x500
Oct 21 06:28:47 dataserv2 kernel: __writeback_inodes_wb+0x56/0xf0
Oct 21 06:28:47 dataserv2 kernel: wb_writeback+0x1db/0x2d0
Oct 21 06:28:47 dataserv2 kernel: wb_do_writeback+0x1d0/0x2a0
Oct 21 06:28:47 dataserv2 kernel: wb_workfn+0x61/0x240
Oct 21 06:28:47 dataserv2 kernel: ? raw_spin_rq_unlock+0x10/0x40
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: ? finish_task_switch.isra.0+0x84/0x290
Oct 21 06:28:47 dataserv2 kernel: ? srso_alias_return_thunk+0x5/0x7f
Oct 21 06:28:47 dataserv2 kernel: ? __schedule+0x2bf/0x5f0
Oct 21 06:28:47 dataserv2 kernel: ? fsnotify_mark_destroy_workfn+0xc6/0x110
Oct 21 06:28:47 dataserv2 kernel: process_one_work+0x21f/0x440
Oct 21 06:28:47 dataserv2 kernel: worker_thread+0x50/0x3f0
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_worker_thread+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: kthread+0xee/0x120
Oct 21 06:28:47 dataserv2 kernel: ? __pfx_kthread+0x10/0x10
Oct 21 06:28:47 dataserv2 kernel: ret_from_fork+0x2c/0x50
Oct 21 06:28:47 dataserv2 kernel: </TASK>
nfsd service is not active, when I check it after receiving these messages.
All the clients are losing nfs mounts.
kernel version was 6.2.0-34-generic, I upgraded it to 6.2.0-35-generic, so
version_signature is changed. Didn't have the same problem yet but can't be
sure if it is stable now.
Next command (I wanted to use for bug report data collection) gives me an
error, therefore I cannot submit an output:
lspci -vnvn > lspci-vnvn.log
pcilib: sysfs_read_vpd: read failed: No such device
What logs should I submit?
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