Re: 2.4 ate my filesystem on rw-mount

[Vojtech Pavlik <vojtech@suse.cz>]

On Fri, Jan 12, 2001 at 10:15:45AM +0100, Tobias Ringstrom wrote:
> I've never seen anything like it before, which I'm happy for.  The system
> had been running a standard RedHat 7 kernel for days without any problems,
> but who wants to run a 2.2 kernel?  I compiled 2.4.0 for it, rebooted, and
> blam!  The RedHat init stripts got to the "remounting root read-write"
> point, and just froze solid.
> 
> Rebooting into RH7 failed, becauce inittab could not be found.  In fact
> the filesystem was completely messed up, with /dev empty, lots of device
> nodes in /etc, and files missing all over the place.  I had to reinstall
> RH7 from scratch.
> 
> I do not understand how this could happen during a remounting root rw.
> Is the filesystem really that unstable?
> 
> Am I right in suspecting DMA, which was enabled at the time?  Any other
> ideas?  Is it a known problem?
> 
> This is on a 450 MHz AMD-K6 with the following IDE controller:
> 
> 00:07.1 IDE interface: VIA Technologies, Inc. VT82C586 IDE [Apollo] (rev 06)
> 
> [I know this is not a very good trouble report, but it will have to do for
> the time beeing.  I hope to do more testing at a later time.]
> 
> /Tobias
> 
> PS. This is _not_ the same system that I reported IDE busy errors for.

Wow. Ok, I'm maintaining the 2.4.0 VIA driver, so I'd like to know more
about this:

1) What's the ISA bridge revision?
2) What's in /proc/ide/via?
3) What says hdparm -i on your devices?
4) If you mount your filesystem read-only, does it read garbage?

Thanks.

-- 
Vojtech Pavlik
SuSE Labs
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