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Bug#949020: linux-image-5.5.0-rc5-amd64: Poweroff/suspend doesn't work in 5.5.0-rc5

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Hello again,

On Fri, Apr 17, 2020 at 11:15:28AM +0200, Uwe Kleine-König wrote:
> Control: found -1 5.5.13-2
> 
> On Thu, Jan 16, 2020 at 08:39:44AM +0100, Lennert Van Alboom wrote:
> > Package: src:linux
> > Version: 5.5~rc5-1~exp1
> > Severity: normal
> > 
> > Neither shutdown nor suspend works in this kernel version. Systemd seems
> > to indicate it is trying at least, but the system hangs either right
> > before shutdown (clean situation, requiring a poweroff with the power
> > button) or before sleep (hung system, can't do anything except also hard
> > powering off and rebooting later).
> > 
> > Syslog from a suspend action:
> > 
> > Jan 16 06:43:53 Nesbitt NetworkManager[749]: <info>  [1579153433.6342] manager: sleep: sleep requested (sleeping: no  enabled: yes)
> > Jan 16 06:43:53 Nesbitt NetworkManager[749]: <info>  [1579153433.6343] device (p2p-dev-wlan0): state change: disconnected -> unmanaged (reason 'sleeping', sys-iface-state: 'managed')
> > Jan 16 06:43:53 Nesbitt NetworkManager[749]: <info>  [1579153433.6345] manager: NetworkManager state is now ASLEEP
> > Jan 16 06:43:53 Nesbitt systemd[1]: Reached target Sleep.
> > Jan 16 06:43:53 Nesbitt systemd[1]: Starting Suspend...
> > Jan 16 06:43:53 Nesbitt kernel: [55203.294410] PM: suspend entry (s2idle)
> > Jan 16 06:43:53 Nesbitt systemd-sleep[19110]: Suspending system...
> 
> I have the same problem with 5.5.13-2 on a Lenovo Thinkpad T460p, with
> 4.19 from buster there is no such problem. I didn't debug any further
> yet.

I just reconfirmed: linux-image-4.19.0-8-amd64 4.19.98-1 doesn't suffer
from this problem, but linux-image-5.6.0-trunk-amd64-unsigned
5.6.4-1~exp1 has the same problem.

On thing I noticed: When I send my Laptop in suspend, the power LED
starts blinking slowly (as it does with 4.19), but the FnLk LED stays on
which on 4.19 goes off shortly after suspend is reached. So I think the
problem is in the going to sleep step, not only when (not) waking up.

Best regards
Uwe

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Bug#949020: linux-image-5.5.0-rc5-amd64: Poweroff/suspend doesn't work in 5.5.0-rc5 Lennert Van Alboom <lennert@vanalboom.org> - 2020-01-16 08:50 +0100
  Processed: Re: Bug#949020: linux-image-5.5.0-rc5-amd64:  Poweroff/suspend doesn't work in 5.5.0-rc5 "Debian Bug Tracking System" <owner@bugs.debian.org> - 2020-04-17 11:30 +0200
  Bug#949020: linux-image-5.5.0-rc5-amd64: Poweroff/suspend doesn't work in 5.5.0-rc5 Uwe Kleine-König <uwe@kleine-koenig.org> - 2020-04-17 11:30 +0200
    Bug#949020: linux-image-5.5.0-rc5-amd64: Poweroff/suspend doesn't work in 5.5.0-rc5 Uwe Kleine-König <uwe@kleine-koenig.org> - 2020-04-18 13:30 +0200
      Bug#949020: linux-image-5.5.0-rc5-amd64: Poweroff/suspend doesn't work in 5.5.0-rc5 Uwe Kleine-König <uwe@kleine-koenig.org> - 2020-04-18 15:30 +0200
        Bug#949020: linux-image-5.5.0-rc5-amd64: Poweroff/suspend doesn't work in 5.5.0-rc5 Uwe Kleine-König <uwe@kleine-koenig.org> - 2020-04-19 00:50 +0200
          Bug#949020: linux-image-5.5.0-rc5-amd64: Poweroff/suspend doesn't work in 5.5.0-rc5 Lennert Van Alboom <lennert@vanalboom.org> - 2020-04-19 01:40 +0200
            Bug#949020: linux-image-5.5.0-rc5-amd64: Poweroff/suspend doesn't work in 5.5.0-rc5 Uwe Kleine-König <uwe@kleine-koenig.org> - 2020-04-19 16:00 +0200
              Bug#949020: linux-image-5.5.0-rc5-amd64: Poweroff/suspend doesn't work in 5.5.0-rc5 Lennert Van Alboom <lennert@vanalboom.org> - 2020-04-19 17:20 +0200
                Bug#949020: linux-image-5.5.0-rc5-amd64: Poweroff/suspend doesn't work in 5.5.0-rc5 Lennert Van Alboom <lennert@vanalboom.org> - 2020-04-21 15:10 +0200
                Bug#949020: linux-image-5.5.0-rc5-amd64: Poweroff/suspend doesn't work in 5.5.0-rc5 Uwe Kleine-König <uwe@kleine-koenig.org> - 2020-05-11 22:30 +0200
  Processed: Re: Bug#949020: linux-image-5.5.0-rc5-amd64:  Poweroff/suspend doesn't work in 5.5.0-rc5 "Debian Bug Tracking System" <owner@bugs.debian.org> - 2020-05-11 22:30 +0200
  Bug#949020: linux-image-5.6.0-2-amd64: Lenovo poweroff/suspend failure Bjørn Mork <bjorn@mork.no> - 2020-06-25 14:30 +0200

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