Messages in this thread | | | Date | Sun, 8 Feb 2009 13:30:01 +0100 | Subject | Re: [bug] sata detection problem | From | Maciej Rutecki <> |
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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
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