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Date: Tue, 8 Dec 2020 18:57:33 +0100 (CET)
From: Julia Lawall <julia.lawall@...ia.fr>
To: linux-kernel@...r.kernel.org
cc: nicolas.palix@...v-grenoble-alpes.fr, torvalds@...ux-foundation.org
Subject: Re: problem booting 5.10
On Tue, 8 Dec 2020, Julia Lawall wrote:
> Hello,
>
> We have not succeeded to boot 5.10 on our Intel(R) Xeon(R) CPU E7-8870 v4 @
> 2.10GHz server. Previous versions (eg 4.19 - 5.9) boot fine. We have
> tried various rcs. The backtrace for rc7 is shown below.
Some more information, from earlier in the boot attempt, is here:
Begin: Running /scripts/local-block ... done.
[ 51.355655][ T7] scsi 0:0:14:0: Direct-Access ATA ST2000LM015-2E81 SDM1 PQ: 0 ANSI: 6
Begin: Running /scripts/local-block ... done.
Begin: Running /scripts/local-block ... done.
Begin: Running /scripts/local-block ... done.
Begin: Running /scripts/local-block ... done.
Begin: Running /scripts/local-block ... done.
Begin: Running /scripts/local-block ... done.
Begin: Running /scripts/local-block ... done.
Begin: Running /scripts/local-block ... done.
Begin: Running /scripts/local-block ... done.
done.
Gave up waiting for root file system device. Common problems:
- Boot args (cat /proc/cmdline)
- Check rootdelay= (did the system wait long enough?)
- Missing modules (cat /proc/modules; ls /dev)
ALERT! UUID=754fa6b1-bb34-449a-9b95-41897013bded does not exist.
Dropping to a shell!
BusyBox v1.30.1 (Debian 1:1.30.1-4) built-in shell (ash)
Enter 'help' for a list of built-in commands.
(initramfs) [ 64.082455][ T7] scsi 0:0:23:0: Direct-Access
SEAGATE DL2400MM0159 ST58 PQ: 0 ANSI: 6
>
> thanks,
> julia
>
>
> [ 253.207171][ T979] INFO: task kworker/u321:2:1278 blocked for more than 120 seconds.
> [ 253.224089][ T979] Tainted: G E 5.10.0-rc7 #3
> [ 253.239209][ T979] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [ 253.256990][ T979] task:kworker/u321:2 state:D stack: 0 pid: 1278 ppid: 2 flags:0x00004000
> [ 253.275552][ T979] Workqueue: events_unbound async_run_entry_fn
> [ 253.290687][ T979] Call Trace:
> [ 253.302491][ T979] __schedule+0x31e/0x890
> [ 253.315353][ T979] schedule+0x3c/0xa0
> [ 253.327688][ T979] schedule_timeout+0x274/0x310
> [ 253.340908][ T979] ? find_held_lock+0x34/0xa0
> [ 253.353841][ T979] ? sched_clock+0x5/0x10
> [ 253.366406][ T979] ? sched_clock_cpu+0xc/0xb0
> [ 253.379283][ T979] wait_for_completion+0x8a/0xf0
> [ 253.392327][ T979] scsi_complete_async_scans+0x107/0x170
> [ 253.406115][ T979] __scsi_add_device+0xf7/0x130
> [ 253.418974][ T979] ata_scsi_scan_host+0x98/0x1c0
> [ 253.431948][ T979] async_run_entry_fn+0x39/0x160
> [ 253.444853][ T979] process_one_work+0x24c/0x490
> [ 253.457590][ T979] worker_thread+0x30/0x370
> [ 253.469876][ T979] ? process_one_work+0x490/0x490
> [ 253.482581][ T979] kthread+0x11c/0x140
> [ 253.493936][ T979] ? kthread_park+0x80/0x80
> [ 253.505640][ T979] ret_from_fork+0x22/0x30
> [ 253.517054][ T979] INFO: task kworker/u321:3:1279 blocked for more than 121 seconds.
> [ 253.532420][ T979] Tainted: G E 5.10.0-rc7 #3
> [ 253.545890][ T979] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [ 253.561996][ T979] task:kworker/u321:3 state:D stack: 0 pid: 1279 ppid: 2 flags:0x00004000
> [ 253.578786][ T979] Workqueue: events_unbound async_run_entry_fn
> [ 253.592174][ T979] Call Trace:
> [ 253.602320][ T979] __schedule+0x31e/0x890
> [ 253.613668][ T979] schedule+0x3c/0xa0
> [ 253.624618][ T979] async_synchronize_cookie_domain+0xad/0x140
> [ 253.637935][ T979] ? finish_wait+0x80/0x80
> [ 253.649351][ T979] async_port_probe+0x48/0x50
> [ 253.660958][ T979] async_run_entry_fn+0x39/0x160
> [ 253.672754][ T979] process_one_work+0x24c/0x490
> [ 253.684404][ T979] worker_thread+0x30/0x370
> [ 253.695640][ T979] ? process_one_work+0x490/0x490
> [ 253.707479][ T979] kthread+0x11c/0x140
> [ 253.718188][ T979] ? kthread_park+0x80/0x80
> [ 253.729340][ T979] ret_from_fork+0x22/0x30
> [ 253.740271][ T979] INFO: task kworker/u321:4:1280 blocked for more than 121 seconds.
> [ 253.755320][ T979] Tainted: G E 5.10.0-rc7 #3
> [ 253.768593][ T979] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [ 253.784592][ T979] task:kworker/u321:4 state:D stack: 0 pid: 1280 ppid: 2 flags:0x00004000
> [ 253.801345][ T979] Workqueue: events_unbound async_run_entry_fn
> [ 253.814590][ T979] Call Trace:
> [ 253.824577][ T979] __schedule+0x31e/0x890
> [ 253.835612][ T979] schedule+0x3c/0xa0
> [ 253.846144][ T979] async_synchronize_cookie_domain+0xad/0x140
> [ 253.858998][ T979] ? finish_wait+0x80/0x80
> [ 253.869835][ T979] async_port_probe+0x48/0x50
> [ 253.880860][ T979] async_run_entry_fn+0x39/0x160
> [ 253.892125][ T979] process_one_work+0x24c/0x490
> [ 253.903287][ T979] worker_thread+0x30/0x370
> [ 253.914079][ T979] ? process_one_work+0x490/0x490
> [ 253.925492][ T979] kthread+0x11c/0x140
> [ 253.935804][ T979] ? kthread_park+0x80/0x80
> [ 253.946640][ T979] ret_from_fork+0x22/0x30
> [ 253.957399][ T979] INFO: task kworker/u321:5:1281 blocked for more than 121 seconds.
> [ 253.972326][ T979] Tainted: G E 5.10.0-rc7 #3
> [ 253.985522][ T979] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [ 254.001429][ T979] task:kworker/u321:5 state:D stack: 0 pid: 1281 ppid: 2 flags:0x00004000
> [ 254.018078][ T979] Workqueue: events_unbound async_run_entry_fn
> [ 254.031368][ T979] Call Trace:
> [ 254.041398][ T979] __schedule+0x31e/0x890
> [ 254.052602][ T979] schedule+0x3c/0xa0
> [ 254.063412][ T979] async_synchronize_cookie_domain+0xad/0x140
> [ 254.076681][ T979] ? finish_wait+0x80/0x80
> [ 254.088045][ T979] async_port_probe+0x48/0x50
> [ 254.099730][ T979] async_run_entry_fn+0x39/0x160
> [ 254.111617][ T979] process_one_work+0x24c/0x490
> [ 254.123299][ T979] worker_thread+0x30/0x370
> [ 254.134468][ T979] ? process_one_work+0x490/0x490
> [ 254.146103][ T979] kthread+0x11c/0x140
> [ 254.156522][ T979] ? kthread_park+0x80/0x80
> [ 254.167377][ T979] ret_from_fork+0x22/0x30
> [ 254.178152][ T979]
> [ 254.178152][ T979] Showing all locks held in the system:
> [ 254.198537][ T979] 3 locks held by kworker/u321:0/7:
> [ 254.210141][ T979] #0: ffff888100051d48 ((wq_completion)events_unbound){....}-{0:0}, at: process_one_work+0x1c7/0x490
> [ 254.228569][ T979] #1: ffffc900000e7e70 ((work_completion)(&entry->work)){....}-{0:0}, at: process_one_work+0x1c7/0x490
> [ 254.247359][ T979] #2: ffff88811f7a00f0 (&shost->scan_mutex){....}-{3:3}, at: scsi_scan_host_selected+0x75/0x110
> [ 254.265687][ T979] 1 lock held by khungtaskd/979:
> [ 254.277739][ T979] #0: ffffffff824d26c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x15/0x101
> [ 254.295573][ T979] 3 locks held by kworker/u321:2/1278:
> [ 254.308530][ T979] #0: ffff888100051d48 ((wq_completion)events_unbound){....}-{0:0}, at: process_one_work+0x1c7/0x490
> [ 254.328017][ T979] #1: ffffc9000f7c3e70 ((work_completion)(&entry->work)){....}-{0:0}, at: process_one_work+0x1c7/0x490
> [ 254.347871][ T979] #2: ffff8881211bf0f0 (&shost->scan_mutex){....}-{3:3}, at: __scsi_add_device+0xaf/0x130
> [ 254.366520][ T979] 2 locks held by kworker/u321:3/1279:
> [ 254.380038][ T979] #0: ffff888100051d48 ((wq_completion)events_unbound){....}-{0:0}, at: process_one_work+0x1c7/0x490
> [ 254.399946][ T979] #1: ffffc9000f7cbe70 ((work_completion)(&entry->work)){....}-{0:0}, at: process_one_work+0x1c7/0x490
> [ 254.420063][ T979] 2 locks held by kworker/u321:4/1280:
> [ 254.433768][ T979] #0: ffff888100051d48 ((wq_completion)events_unbound){....}-{0:0}, at: process_one_work+0x1c7/0x490
> [ 254.453888][ T979] #1: ffffc9000f7d3e70 ((work_completion)(&entry->work)){....}-{0:0}, at: process_one_work+0x1c7/0x490
> [ 254.474411][ T979] 2 locks held by kworker/u321:5/1281:
> [ 254.488640][ T979] #0: ffff888100051d48 ((wq_completion)events_unbound){....}-{0:0}, at: process_one_work+0x1c7/0x490
> [ 254.509333][ T979] #1: ffffc9000f7dbe70 ((work_completion)(&entry->work)){....}-{0:0}, at: process_one_work+0x1c7/0x490
> [ 254.530378][ T979]
> [ 254.541498][ T979] =============================================
> [ 254.541498][ T979]
>
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