From: Andrew Morton <akpm@osdl.org>
To: Thomas Schlichter <schlicht@uni-mannheim.de>
Cc: B.Zolnierkiewicz@elka.pw.edu.pl, linux-kernel@vger.kernel.org,
linux-ide@vger.kernel.org
Subject: Re: Processes receive SIGSEGV if TCQ is enabled
Date: Thu, 30 Oct 2003 13:33:16 -0800 [thread overview]
Message-ID: <20031030133316.6bd00b4a.akpm@osdl.org> (raw)
In-Reply-To: <200310301601.55588.schlicht@uni-mannheim.de>
Thomas Schlichter <schlicht@uni-mannheim.de> wrote:
>
> today I tried to test TCQ with the linux-2.6.0-test9-mm1 kernel. The config.gz
> is attached. But after enabling TCQ with 'hdparm -Q1 /dev/hda' newly started
> processes die due to a received SIGSEGV. No bad kernel messages appear...
Probably we need to turn off TCQ in kernel config until the confidence
level is higher.
> Disabling TCQ again doesn't help, only e reboot does...
That will be because you have incorrect program text in pagecache, left
over from when the driver was in TCQ mode.
next prev parent reply other threads:[~2003-10-30 21:31 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-30 15:01 Thomas Schlichter
2003-10-30 17:48 ` Bartlomiej Zolnierkiewicz
2003-10-31 13:00 ` Jens Axboe
2003-10-31 13:11 ` Thomas Schlichter
2003-10-31 14:44 ` Ivan Gyurdiev
2003-10-30 21:33 ` Andrew Morton [this message]
2003-10-30 22:10 ` Thomas Schlichter
2003-10-30 22:44 ` Ivan Gyurdiev
2003-10-30 23:40 ` Nick Piggin
2003-10-31 7:28 ` Thomas Schlichter
2003-10-31 7:37 ` Nick Piggin
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