From: Peter Hurley <peter@hurleysoftware.com>
To: sparclinux@vger.kernel.org
Subject: Re: RED state exception (trap type 0x64) on U5 reboot
Date: Sat, 30 Nov 2013 23:04:20 +0000 [thread overview]
Message-ID: <529A6EF4.1050408@hurleysoftware.com> (raw)
In-Reply-To: <alpine.SOC.1.00.1310151347070.902@math.ut.ee>
On 11/28/2013 11:47 AM, Meelis Roos wrote:
>>> Another strange symptom is that the problem did not happen when
>>> openpromfs is compiled in statically, not loaded as module. When loaded
>>> as module, its memory is vmalloc()ed... but that's probably too weak
>>> connection to conclude anything.
>>
>> What happens with the not-even-compile-tested debug patch below?
>
> Now I have the results of that test. It does not trigger at all during
> normal shutdown since module is not unloaded. When I unmount openpromfs
> and rmmod openpromfs, both lines are promted to dmesg. After that, the
> RED state still happens on reboot.
Ok, thanks for testing that.
The slab debugging seems a promising line of inquiry.
Regards,
Peter Hurley
next prev parent reply other threads:[~2013-11-30 23:04 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-15 11:51 RED state exception (trap type 0x64) on U5 reboot Meelis Roos
2013-10-21 8:58 ` Meelis Roos
2013-10-23 15:00 ` Peter Hurley
2013-10-24 11:48 ` Meelis Roos
2013-11-17 20:35 ` Meelis Roos
2013-11-17 20:52 ` Meelis Roos
2013-11-18 6:21 ` Meelis Roos
2013-11-18 12:41 ` Peter Hurley
2013-11-18 13:51 ` Peter Hurley
2013-11-18 15:46 ` Meelis Roos
2013-11-19 14:23 ` Peter Hurley
2013-11-20 11:50 ` Peter Hurley
2013-11-27 17:39 ` Meelis Roos
2013-11-28 1:38 ` Meelis Roos
2013-11-28 16:47 ` Meelis Roos
2013-11-29 7:31 ` Meelis Roos
2013-11-30 21:42 ` Meelis Roos
2013-11-30 23:04 ` Peter Hurley [this message]
2013-11-30 23:07 ` Peter Hurley
2013-12-01 1:18 ` Peter Hurley
2013-12-01 1:31 ` Meelis Roos
2013-12-01 1:32 ` Meelis Roos
2013-12-01 2:07 ` Peter Hurley
2013-12-01 2:40 ` Peter Hurley
2013-12-01 8:16 ` Meelis Roos
2013-12-01 14:39 ` Peter Hurley
2013-12-03 16:11 ` Meelis Roos
2013-12-03 16:47 ` Peter Hurley
2013-12-04 15:35 ` Meelis Roos
2013-12-06 15:54 ` Peter Hurley
2014-06-16 9:21 ` Meelis Roos
2014-06-16 14:37 ` Peter Hurley
2014-06-16 15:14 ` Christoph Lameter
2014-06-17 10:38 ` Meelis Roos
2014-06-17 14:14 ` Christoph Lameter
2014-06-17 15:50 ` Meelis Roos
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