[Bug 99295] [Regression BDW] kernel panic in Intel i915 module, complete system freeze in 4.10-rc2

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99295

--- Comment #50 from Helio Loureiro <helio at loureiro.eng.br> ---
(In reply to Daniel Vetter from comment #48)
> (In reply to Daniel Vetter from comment #47)
> > This is just an OOM report (with a few lines missing at the beginning),
> > which is somewhat expected with Chris' patch. It explains why kwin dies in
> > execbuf with "out of memory" at least".
> 
> Correction: Your screensave (kscreenlocker) is the thing that died.

At this time.  But it randomly happened to whatever application on X.

Just got another one:

May 23 11:04:20 elxaf7qtt32 kernel: kwin_x11: page allocation failure: order:0,
mode:0xc2(__GFP_HIGHMEM|__GFP_IO|__GFP_FS), nodemask=(null)
May 23 11:04:20 elxaf7qtt32 kernel: kwin_x11 cpuset=/ mems_allowed=0
May 23 11:04:20 elxaf7qtt32 kernel: CPU: 0 PID: 25038 Comm: kwin_x11 Tainted: G
          OE   4.11.2-i915patch-helio+ #6
May 23 11:04:20 elxaf7qtt32 kernel: Hardware name: Dell Inc. XPS 13
9343/0F5KF3, BIOS A03 03/25/2015
May 23 11:04:20 elxaf7qtt32 kernel: Call Trace:
May 23 11:04:20 elxaf7qtt32 kernel:  dump_stack+0x65/0x92


If I search my logs:

ehellou at elxaf7qtt32:~$ journalctl -k | egrep "BUG:|RIP:|CPU:"
May 22 11:20:33 elxaf7qtt32 kernel: CPU: 3 PID: 10790 Comm: kscreenlocker_g
Tainted: G           OE   4.11.2-i915patch-helio+ #6
May 22 11:20:33 elxaf7qtt32 kernel: RIP: 0033:0x7f3d48da2357
May 22 15:06:07 elxaf7qtt32 kernel: CPU: 2 PID: 28528 Comm: kwin_x11 Tainted: G
          OE   4.11.2-i915patch-helio+ #6
May 22 15:06:07 elxaf7qtt32 kernel: RIP: 0033:0x7f7bbef1b357
May 23 11:04:20 elxaf7qtt32 kernel: CPU: 0 PID: 25038 Comm: kwin_x11 Tainted: G
          OE   4.11.2-i915patch-helio+ #6
May 23 11:04:20 elxaf7qtt32 kernel: RIP: 0033:0x7f345f6eb357

Before it was just freezing and I was forced to reboot.

But I will take a look on your recommended patch at
https://bugs.freedesktop.org/attachment.cgi?id=131404

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