linux-kernel - Re: [PATCH v4] drivers/tty: Folding Android's keyreset driver in sysRQ

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Message-ID: <CAPM=9txzwGBeKx=ozzTmf=FG6c3ke3Gw5meBD+d98UqhmjZJ2g@mail.gmail.com>
Date:	Wed, 27 Feb 2013 21:06:58 +1000
From:	Dave Airlie <airlied@...il.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	mathieu.poirier@...aro.org, linux-kernel@...r.kernel.org,
	arve@...roid.com, kernel-team@...roid.com, john.stultz@...aro.org,
	alan@...rguk.ukuu.org.uk,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH v4] drivers/tty: Folding Android's keyreset driver in sysRQ

On Wed, Feb 27, 2013 at 6:26 PM, Dave Airlie <airlied@...il.com> wrote:
>>
>> this patch seems to be oopsing on my x86 32-bit machine on bootup, pic attached.
>>
>> .config attached.
>>
>> It looks to me like the weak bit isn't working so well
>>
>>         if (platform_sysrq_reset_seq) {
>>                 for (i = 0; i < ARRAY_SIZE(sysrq_reset_seq); i++) {
>>                         key = platform_sysrq_reset_seq[i];
>>   6d:   66 8b 8c 00 00 00 00    mov    0x0(%eax,%eax,1),%cx
>>   74:   00
>>
>> is around where it craps out.
>> gcc version 4.7.2 20121109 (Red Hat 4.7.2-8) (GCC)
>> Fedora 18 machine.
>
> And just to confirm reverting
> 154b7a489a5b1d808323b933b04864958c2f1056.in Linus' tree allows boot to
> proceed.


Looks like my first picture bounced,

here's a link
http://www.skynet.ie/~airlied/sysrq_oops.jpg

Dave. (this time with reply-all).
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