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Bug#601948: linux-image-3.2.0-2-686-pae: Fails to resume from hibernate (all pm_test modes pass)



Package: linux-2.6
Followup-For: Bug #601948

Hi. I'm also suffering from this on linux-image-3.2.0-2-686-pae, HP
ProBook 4515s. The behaviour is exactly the same. It looks like the
kernel *doesn't even try* to resume from the file on the filesystem
(BTW: how does the kernel know from where to resume? I have never
understood that; it's a kind of magic for me).

I also have run all the tests Documentation/power/basic-pm-debugging.txt
and all the /sys/power/pm_test tests work fine. The ones with "echo
platform > /sys/power/disk" and "echo disk > /sys/power/state" don't
run, obviously, as the kernel doesn't try to resume from the filesystem.

Running with init=/bin/bash gives the same: "bash: echo: write error: No
such device".

Suspend-to-RAM and resume from suspend works fine.

I remember that hibernation worked in the past, but I haven't used it
for some time because I mainly keep my laptop connected to the AC and I
use Suspend-to-RAM alot. Now I was curious to check if hibernation works
and... bummer.

-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: i386 (i686)

Kernel: Linux 3.2.0-2-686-pae (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash



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