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Groups > linux.debian.kernel > #72115 > unrolled thread

vmlinuz-5.10.0-7-686-pae task blocked for more...

Started byAlexey Kuznetsov <kuznetsov.alexey@gmail.com>
First post2021-06-05 22:40 +0200
Last post2021-06-06 10:40 +0200
Articles 3 — 2 participants

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  vmlinuz-5.10.0-7-686-pae task blocked for more... Alexey Kuznetsov <kuznetsov.alexey@gmail.com> - 2021-06-05 22:40 +0200
    Re: vmlinuz-5.10.0-7-686-pae task blocked for more... Ben Hutchings <ben@decadent.org.uk> - 2021-06-06 05:10 +0200
      Re: vmlinuz-5.10.0-7-686-pae task blocked for more... Alexey Kuznetsov <kuznetsov.alexey@gmail.com> - 2021-06-06 10:40 +0200

#72115 — vmlinuz-5.10.0-7-686-pae task blocked for more...

FromAlexey Kuznetsov <kuznetsov.alexey@gmail.com>
Date2021-06-05 22:40 +0200
Subjectvmlinuz-5.10.0-7-686-pae task blocked for more...
Message-ID<CmLfj-7E5-3@gated-at.bofh.it>

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Hello!

vmlinuz-5.10.0-7-686-pae has know issue related to suspend / resume i915
video card bug.

https://gitlab.freedesktop.org/drm/intel/-/issues/2905

Suspend / resume and notebook stop responding with a lot of "task
blocked for more ... seconds"


Jun  4 17:48:14 m3n kernel: [  605.618305] INFO: task ping:1919 blocked for
more than 241 seconds.
Jun  4 17:48:14 m3n kernel: [  605.618309]       Tainted: G S
 5.10.0-7-686-pae #1 Debian 5.10.40-1
Jun  4 17:48:14 m3n kernel: [  605.618312] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jun  4 17:48:14 m3n kernel: [  605.618315] task:ping            state:D
stack:    0 pid: 1919 ppid:  1918 flags:0x00000002
Jun  4 17:48:14 m3n kernel: [  605.618319] Call Trace:
Jun  4 17:48:14 m3n kernel: [  605.618325]  __schedule+0x24c/0x8f0
Jun  4 17:48:14 m3n kernel: [  605.618330]  ? __slab_free+0x202/0x2f0
Jun  4 17:48:14 m3n kernel: [  605.618336]  schedule+0x42/0xb0
Jun  4 17:48:14 m3n kernel: [  605.618340]
 schedule_preempt_disabled+0xd/0x10
Jun  4 17:48:14 m3n kernel: [  605.618345]
 __mutex_lock.constprop.0+0x10a/0x430
Jun  4 17:48:14 m3n kernel: [  605.618351]  __mutex_lock_slowpath+0x12/0x20
Jun  4 17:48:14 m3n kernel: [  605.618355]  mutex_lock+0x2f/0x40
Jun  4 17:48:14 m3n kernel: [  605.618360]  rtnl_lock+0x12/0x20
Jun  4 17:48:14 m3n kernel: [  605.618365]  ip6mr_sk_done+0x2e/0xc0
Jun  4 17:48:14 m3n kernel: [  605.618371]  rawv6_close+0x1a/0x40
Jun  4 17:48:14 m3n kernel: [  605.618375]  inet_release+0x3d/0x90
Jun  4 17:48:14 m3n kernel: [  605.618379]  inet6_release+0x28/0x40
Jun  4 17:48:14 m3n kernel: [  605.618384]  __sock_release+0x32/0xa0
Jun  4 17:48:14 m3n kernel: [  605.618388]  sock_close+0x12/0x20
Jun  4 17:48:14 m3n kernel: [  605.618392]  __fput+0x8e/0x270
Jun  4 17:48:14 m3n kernel: [  605.618397]  ____fput+0xd/0x10
Jun  4 17:48:14 m3n kernel: [  605.618401]  task_work_run+0x5c/0x90
Jun  4 17:48:14 m3n kernel: [  605.618408]  do_exit+0x30d/0x960
Jun  4 17:48:14 m3n kernel: [  605.618413]  do_group_exit+0x2f/0x90
Jun  4 17:48:14 m3n kernel: [  605.618417]  __ia32_sys_exit_group+0x15/0x20
Jun  4 17:48:14 m3n kernel: [  605.618421]  __do_fast_syscall_32+0x45/0x80
Jun  4 17:48:14 m3n kernel: [  605.618426]  do_fast_syscall_32+0x29/0x60
Jun  4 17:48:14 m3n kernel: [  605.618430]  do_SYSENTER_32+0x15/0x20
Jun  4 17:48:14 m3n kernel: [  605.618434]  entry_SYSENTER_32+0x9f/0xf2
Jun  4 17:48:14 m3n kernel: [  605.618437] EIP: 0xb7f2b559
Jun  4 17:48:14 m3n kernel: [  605.618441] EAX: ffffffda EBX: 00000002 ECX:
00000000 EDX: bfea860c
Jun  4 17:48:14 m3n kernel: [  605.618445] ESI: b7eb26f8 EDI: b7eb26f8 EBP:
b7eb2a28 ESP: bfea861c


full logs at here:

https://linux-hardware.org/?probe=bd89f26d7e


My previous report was against: linux-image-4.19.0-14-686-pae, which is now
fixed. Here it is:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=982956

-- AK

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#72116

FromBen Hutchings <ben@decadent.org.uk>
Date2021-06-06 05:10 +0200
Message-ID<CmRkJ-2Zl-1@gated-at.bofh.it>
In reply to#72115

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On Sat, 2021-06-05 at 23:22 +0300, Alexey Kuznetsov wrote:
> Hello!
> 
> vmlinuz-5.10.0-7-686-pae has know issue related to suspend / resume i915
> video card bug.
> 
> https://gitlab.freedesktop.org/drm/intel/-/issues/2905
> 
> Suspend / resume and notebook stop responding with a lot of "task
> blocked for more ... seconds"
> 
> 
> Jun  4 17:48:14 m3n kernel: [  605.618305] INFO: task ping:1919 blocked for
> more than 241 seconds.
> Jun  4 17:48:14 m3n kernel: [  605.618309]       Tainted: G S
>  5.10.0-7-686-pae #1 Debian 5.10.40-1

You are using the PAE kernel on a CPU that isn't supposed to support
it.  Please try using the non-PAE kernel instead.

> Jun  4 17:48:14 m3n kernel: [  605.618312] "echo 0 >
> /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> Jun  4 17:48:14 m3n kernel: [  605.618315] task:ping            state:D
> stack:    0 pid: 1919 ppid:  1918 flags:0x00000002
> Jun  4 17:48:14 m3n kernel: [  605.618319] Call Trace:
> Jun  4 17:48:14 m3n kernel: [  605.618325]  __schedule+0x24c/0x8f0
> Jun  4 17:48:14 m3n kernel: [  605.618330]  ? __slab_free+0x202/0x2f0
> Jun  4 17:48:14 m3n kernel: [  605.618336]  schedule+0x42/0xb0
> Jun  4 17:48:14 m3n kernel: [  605.618340]
>  schedule_preempt_disabled+0xd/0x10
> Jun  4 17:48:14 m3n kernel: [  605.618345]
>  __mutex_lock.constprop.0+0x10a/0x430
> Jun  4 17:48:14 m3n kernel: [  605.618351]  __mutex_lock_slowpath+0x12/0x20
> Jun  4 17:48:14 m3n kernel: [  605.618355]  mutex_lock+0x2f/0x40
> Jun  4 17:48:14 m3n kernel: [  605.618360]  rtnl_lock+0x12/0x20
[...]

This seems to be a problem with networking, not graphics.

Ben.

-- 
Ben Hutchings
Quantity is no substitute for quality, but it's the only one we've got.

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#72119

FromAlexey Kuznetsov <kuznetsov.alexey@gmail.com>
Date2021-06-06 10:40 +0200
Message-ID<CmWu5-5Yo-1@gated-at.bofh.it>
In reply to#72116

[Multipart message — attachments visible in raw view] — view raw

Thank you Ben for your review!

I did move back to non pae kernel - same issue. If you check full logs
(dmesg.1) from my previous email, you will see a lot more "task blocked"
not just for ping. And it does indeed block my wifi connection restoration
after resume, but it also block all windows from moving (unable to use
mouse to move it, but mouse works). It is probably major kernel issue like
video bug I mentioned before. Keep in mind debian 9, kernel
linux-image-4.19.0-14-686-pae the only one had this issue, version below
and above (14) works fine with suspend / resume.

Here are new logs, for non pae kernel.

https://linux-hardware.org/?probe=ec5f914161

Jun  6 10:25:52 m3n kernel: [  605.556770] INFO: task nmbd:714 blocked for
more than 120 seconds.
Jun  6 10:25:52 m3n kernel: [  605.556783]       Tainted: G S
 5.10.0-7-686 #1 Debian 5.10.40-1
Jun  6 10:25:52 m3n kernel: [  605.556786] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jun  6 10:25:52 m3n kernel: [  605.556790] task:nmbd            state:D
stack:    0 pid:  714 ppid:     1 flags:0x00000000
Jun  6 10:25:52 m3n kernel: [  605.556798] Call Trace:
Jun  6 10:25:52 m3n kernel: [  605.556813]  __schedule+0x24c/0x8f0
Jun  6 10:25:52 m3n kernel: [  605.556820]  schedule+0x42/0xb0
Jun  6 10:25:52 m3n kernel: [  605.556825]
 schedule_preempt_disabled+0xd/0x10
Jun  6 10:25:52 m3n kernel: [  605.556829]
 __mutex_lock.constprop.0+0x10a/0x430
Jun  6 10:25:52 m3n kernel: [  605.556835]  __mutex_lock_slowpath+0x12/0x20
Jun  6 10:25:52 m3n kernel: [  605.556839]  mutex_lock+0x2f/0x40
Jun  6 10:25:52 m3n kernel: [  605.556847]  __netlink_dump_start+0xa1/0x2f0
Jun  6 10:25:52 m3n kernel: [  605.556855]  rtnetlink_rcv_msg+0x242/0x370
Jun  6 10:25:52 m3n kernel: [  605.556860]  ? rtnl_fill_ifinfo+0x1060/0x1060
Jun  6 10:25:52 m3n kernel: [  605.556865]  ? rtnl_fill_ifinfo+0x1060/0x1060
Jun  6 10:25:52 m3n kernel: [  605.556869]  ? rtnl_calcit.isra.0+0x100/0x100
Jun  6 10:25:52 m3n kernel: [  605.556873]  netlink_rcv_skb+0x43/0xe0
Jun  6 10:25:52 m3n kernel: [  605.556879]  rtnetlink_rcv+0x12/0x20
Jun  6 10:25:52 m3n kernel: [  605.556883]  netlink_unicast+0x1dd/0x2e0
Jun  6 10:25:52 m3n kernel: [  605.556888]  netlink_sendmsg+0x256/0x420
Jun  6 10:25:52 m3n kernel: [  605.556894]  ? netlink_unicast+0x2e0/0x2e0
Jun  6 10:25:52 m3n kernel: [  605.556899]  sock_sendmsg+0x5c/0x60
Jun  6 10:25:52 m3n kernel: [  605.556903]  __sys_sendto+0xe6/0x120
Jun  6 10:25:52 m3n kernel: [  605.556912]  ? alloc_file+0x71/0xf0
Jun  6 10:25:52 m3n kernel: [  605.556916]  ? alloc_file_pseudo+0x88/0xf0
Jun  6 10:25:52 m3n kernel: [  605.556923]  ? fd_install+0x21/0x30
Jun  6 10:25:52 m3n kernel: [  605.556928]
 __ia32_sys_socketcall+0x329/0x350
Jun  6 10:25:52 m3n kernel: [  605.556937]  __do_fast_syscall_32+0x45/0x80
Jun  6 10:25:52 m3n kernel: [  605.556941]  do_fast_syscall_32+0x29/0x60
Jun  6 10:25:52 m3n kernel: [  605.556945]  do_SYSENTER_32+0x15/0x20
Jun  6 10:25:52 m3n kernel: [  605.556950]  entry_SYSENTER_32+0x9f/0xf2
Jun  6 10:25:52 m3n kernel: [  605.556954] EIP: 0xb7faf559
Jun  6 10:25:52 m3n kernel: [  605.556958] EAX: ffffffda EBX: 0000000b ECX:
bfa30df4 EDX: 00000000
Jun  6 10:25:52 m3n kernel: [  605.556962] ESI: 00000000 EDI: bfa31f68 EBP:
bfa31ee8 ESP: bfa30de0
Jun  6 10:25:52 m3n kernel: [  605.556967] DS: 007b ES: 007b FS: 0000 GS:
0033 SS: 007b EFLAGS: 00000286
Jun  6 10:25:52 m3n kernel: [  605.557005] INFO: task Qt bearer threa:1643
blocked for more than 120 seconds.

-- AK

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