From: Maciej Rutecki <maciej.rutecki@gmail.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, Tejun Heo <tj@kernel.org>,
linux-kernel@vger.kernel.org,
Arjan van de Ven <arjan@infradead.org>
Subject: Re: [bug] sata detection problem
Date: Sun, 8 Feb 2009 13:30:01 +0100 [thread overview]
Message-ID: <8db1092f0902080430y7acdbe74pb5b5d0ee5723afe6@mail.gmail.com> (raw)
In-Reply-To: <20090208063516.GA2318@elte.hu>
2009/2/8 Ingo Molnar <mingo@elte.hu>:
[...]
> Look at the weird sda detection. The only _real_ device on this system is the
> ST3320620AS disk which got detected as sdb. But the bogus sda entry crashed the
> (older) OS installation on the box:
>
> [ 20.132252] VFS: Cannot open root device "sda3" or unknown-block(0,0)
>
> Find below a successful bootup. Bug is very sporadic. (seems timing related)
>
I had similar problem few months ago, while laptop hangs during DVD
drive detection. Problem occurs very often when CONFIG_HZ_1000 is set,
but never when CONFIG_HZ=300 is set. I reported this, but I hadn't any
response. Also I think, that is timming issue.
http://kerneltrap.org/mailarchive/linux-kernel/2008/8/11/2898134
--
Maciej Rutecki
http://www.maciek.unixy.pl
next prev parent reply other threads:[~2009-02-08 12:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-08 6:35 Ingo Molnar
2009-02-08 12:30 ` Maciej Rutecki [this message]
2009-02-08 18:37 ` Robert Hancock
2009-02-11 15:11 ` Tejun Heo
2009-02-11 15:25 ` Ingo Molnar
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