[Bug 59321] S4 broken with Haswell

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=59321

Jens <jens-bugzilla.kernel.org at spamfreemail.de> changed:

           What    |Removed                     |Added
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                 CC|                            |jens-bugzilla.kernel.org at sp
                   |                            |amfreemail.de

--- Comment #39 from Jens <jens-bugzilla.kernel.org at spamfreemail.de> ---
Is there any activity on this bug yet? I am tracking (what I think is) the same
issue at https://bugs.freedesktop.org/show_bug.cgi?id=78424 and have tested
multiple kernels from 3.13 to 3.16.1 and it is always a similar ext4 related
Oops that is described above when I resume from hibernation.

In brief:
* mainboard: MSI-B85M (MSI-7817 Haswell chipset, i5-4570 CPU)
* Ubuntu 14.04 LTS (amd64)
* hibernation/resume from the console using 'sudo pm-hibernate' seems to work
multiple times, when i915.ko is not loaded
* hibernation/resume from within X will work fine once after reboot (will
result in "WARNING: SPLL already enabled" error message like above)
* further attempts always fail on resume with a heap of Oops messages related
to ext4 (lookup_fast, __inode_permission, etc.) and the machine will grind to
death
* It seems like using 'no_console_suspend=1' will delay the Oops until the
second or third resume.

Is there any chance of this being fixed soon? How can I help? I use multiple
Haswell based machines and badly need the hibernation functionality.

Thank you!

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