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Bug#930351: linux-image-4.9.0-9-amd64: soft lockup / stuck in pid_revalidate



On 11/06/2019 22.28, Ben Hutchings wrote:
> On Tue, 2019-06-11 at 10:13 +0200, Bernhard M. Wiedemann wrote:
> [...]
>>  kernel:[1616241.072680] NMI watchdog: BUG: soft lockup - CPU#5 stuck for 22s! [ps:28525]
>>
>> [1626796.848128] CPU: 5 PID: 28525 Comm: ps Tainted: G      D      L  4.9.0-9-amd64 #1 Debian 4.9.168-1+deb9u2
> [...]
> 
> Please provide the log for the first BUG/Oops error, which will incldue
> the text "Not tainted" instead of "Tainted: ..."

Found the very first call trace in a rotated syslog:

general protection fault: 0000 [#1] SMP
CPU: 4 PID: 76 Comm: kswapd0 Not tainted 4.9.0-9-amd64 #1 Debian
4.9.168-1+deb9u2
Hardware name: MSI MS-7816/H87-G43 (MS-7816), BIOS V2.14B4 07/31/2013
task: ffff88da78f18140 task.stack: ffff9e7fc37f4000
RIP: 0010:[<ffffffff98fc93e7>]  [<ffffffff98fc93e7>]
page_lock_anon_vma_read+0x27/0xe0
RSP: 0018:ffff9e7fc37f7ae0  EFLAGS: 00010202
RAX: 0000000000000001 RBX: 7fff89da77012751 RCX: ffff9e7fc37f7c18
RDX: 0000000000000000 RSI: ffff9e7fc37f7b78 RDI: ffffee1c5eafdf00
RBP: ffffee1c5eafdf00 R08: ffffee1c5eafdf20 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000004 R12: 0000000000000000
R13: ffff9e7fc37f7b78 R14: 0000000000000010 R15: ffffee1c5eafdf20
FS:  0000000000000000(0000) GS:ffff88da9eb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff304e0138 CR3: 0000000534208000 CR4: 0000000000162670
Stack:
 ffffee1c5eafdf00 ffff9e7fc37f7c18 0000000000000000 ffff9e7fc37f7b78
 ffffffff98fc7403 00007efe00000000 00000007efef717b ffff88da77012750
 000000007a700bd0 ffffee1c5eafdf00 ffff9e7fc37f7c18 0000000000000000
Call Trace:
 [<ffffffff98fc7403>] ? rmap_walk_anon+0x1a3/0x280
 [<ffffffff98fc974e>] ? page_referenced+0x10e/0x180
 [<ffffffff98fc8040>] ? page_check_address_transhuge+0x440/0x440
 [<ffffffff98fc93c0>] ? page_get_anon_vma+0x80/0x80
 [<ffffffff98f9bf1b>] ? shrink_active_list+0x19b/0x350
 [<ffffffff98f9c76a>] ? shrink_node_memcg+0x69a/0x7d0
 [<ffffffff98f9c982>] ? shrink_node+0xe2/0x340
 [<ffffffff98f9d953>] ? kswapd+0x2e3/0x6e0
 [<ffffffff98f9d670>] ? mem_cgroup_shrink_node+0x170/0x170
 [<ffffffff98e9a969>] ? kthread+0xd9/0xf0
 [<ffffffff9941a9a4>] ? __switch_to_asm+0x34/0x70
 [<ffffffff98e9a890>] ? kthread_park+0x60/0x60
 [<ffffffff9941aa37>] ? ret_from_fork+0x57/0x70

Attachment: syslog.crash.gz
Description: application/gzip


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