Re: 3.14-rc7 crashes in drm ([PATCH] a crash in mga_driver_irq_uninstall)
From: Dave Airlie
Date: Sun Mar 23 2014 - 17:46:21 EST
On Mon, Mar 24, 2014 at 7:27 AM, Andreas Mohr <andi@xxxxxxxx> wrote:
> On Sun, Mar 23, 2014 at 09:39:16AM -0700, Linus Torvalds wrote:
>> On Sun, Mar 23, 2014 at 5:15 AM, Andreas Mohr <andi@xxxxxxxx> wrote:
>> > which did end up flawless on 3.12.0-rc2+, too
>> > (but failed to improve the issue on 3.14.0-rc7+).
>> > So, for all intents and purposes, drm infrastructure seems unavoidably
>> > (neither dri disable nor libdrm upgrade helps) affected.
>> > Does anyone know which change caused that issue?
>> > (I'm asking because bisect here would be relatively painful).
>> So 3.12-rc2 works. Does 3.13 work? Is this a regression in the current
>> 3.14 rc only, or did it happen already in the previous release?
> Hmm, given that Mikulas in
> offered a diff of linux-3.13.5 files, it truly seems (shock! ack! noo!)
> that that indeed may have been a regression at <= 3.13 proper even
> (which may pose interesting questions about the level of testing coverage
> we still enjoy [not!?] in this hardware area).
> Oh well, seems I'll have to prepare/build 3.13 now...
It's > 15 year old hardware, so yes I believe we have close to 0
testing coverage on it outside of distros,
I'm not even sure I have one anymore, I might be able to test an MGA in one box.
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