[Bug 91585] [BDW] System hard lock-up on resume from suspend

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91585

--- Comment #17 from Manuel Krause <manuelkrause at netscape.net> ---
Any news on this issue?!

regarding the following (here repeated) description in Comment 4:
------>
The lock-up always occurs at the same point, early on. In a successful resume:
 1) at some point during the boot, the console is cleared, screen only shows a
blinking cursor in top-left corner;

 2) there's a short screen flicker, like for a mode change. Screen is black;

 3) after a short duration (~ < 1 sec), previous session graphic image is
restored;

 4) graphic environment is usable.

A lock-up occurs after (1) and before (2) as I never noticed the screen
flicker, so it's early in the resume process.
<------

It's a bit unlucky that there's so much misleading info in this thread.

I get the same issue (hibernation crashing) on my system for many months now.
No logs available for it. Hard-lock.

For my system it's a bit complicated to summarize the kernel's circumstances.
Normally I use Alfred Chen's kernel patches (based on -ck/BFS) and the BFQ disk
scheduler patches and the TuxOnIce patches. Atm kernel 4.3.0 from openSUSE with
own .config.

So, please read, that I've retested with plain CFS + TuxOnIce... And it also
crashes at the same point like cited above.

lspci excerpt:
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller (rev 07) (prog-if 00 [VGA controller])
        Subsystem: Hewlett-Packard Company Device 30dd
        Flags: bus master, fast devsel, latency 0, IRQ 31
        Memory at d0000000 (64-bit, non-prefetchable) [size=4M]
        Memory at c0000000 (64-bit, prefetchable) [size=256M]
        I/O ports at 60f0 [size=8]
        Expansion ROM at <unassigned> [disabled]
        Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
        Capabilities: [d0] Power Management version 3
        Kernel driver in use: i915
        Kernel modules: i915

The system is a HP Compaq 6730b Laptop.

Running openSUSE 13.1 with updated drivers.

Best regards,
Manuel

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