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

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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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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

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