[Bug 79261] [snb] [Samsung NP530U3C-A02CL] [drm:ilk_display_irq_handler] *ERROR* Pipe A FIFO underrun

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=79261

bujiver1 at gmail.com changed:

           What    |Removed                     |Added
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                 CC|                            |bujiver1 at gmail.com

--- Comment #34 from bujiver1 at gmail.com ---
Hello! Sorry for my bad english :)
I was affected by this bug since kernel v 3.16+ running Debian (Jessie/Sid, now
Stretch/sid). Once Jessie released as Stable, I did a fresh install and I was
also affected by this bug. I have always did installation in Legacy mode, no in
UEFI mode.

Yesterday, I did a fresh Debian Jessie install (Debian 8.0.0-amd64) in UEFI
mode (secure boot and legacy OPROM disabled) and the errors discussed in this
bug have disappeared. No drm errors shown durring boot. Dmesg | grep -i failed
= 0 drm errors. dmesg | grep drm = 0 errors.

My machine: Dell Inspiron 15R Intel (R) Core(TM) i5-3337U CPU @ 1.80GHz

uname -a
Linux 3.16.0-4-amd64 #1 Debian 3.16.7-ckt9-3~deb8u1 (2015-04-24) x86_64
GNU/Linux

With same kernel version I'm affected by this bug installing in Legacy mode,
but I'm NOT affected installing in UEFI mode.

So, the bug may be a uefi related ?

If you need more info, tell me. I'll try to reply as soon as possible.

Bye

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