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RE: Kernel panic in ext3:dx_probe, help needed



> -----Original Message-----
> From: ext3-users-bounces redhat com
[mailto:ext3-users-bounces redhat com]
> On Behalf Of Ulf Zimmermann
> Sent: Monday, July 30, 2007 21:10
> To: Theodore Tso
> Cc: ext3-users redhat com
> Subject: RE: Kernel panic in ext3:dx_probe, help needed
> 
> > -----Original Message-----
> > From: Theodore Tso [mailto:tytso mit edu]
> > Sent: Monday, July 30, 2007 21:07
> > To: Ulf Zimmermann
> > Cc: Christian Kujau; ext3-users redhat com
> > Subject: Re: Kernel panic in ext3:dx_probe, help needed
> >
> > On Sun, Jul 29, 2007 at 08:00:16PM -0700, Ulf Zimmermann wrote:
> > > Ok, I finally got a complete message of this panic:
> > >
> > > Assertion failure in dx_probe() at fs/ext3/namei.c:381:
> > > "dx_get_limit(entries) == dx_root_limit(dir,
> root->info.info_length)"
> >
> > The filesystem got corrupted (and that's probably a device driver
> > issue), but ext3 shouldn't have panic'ed the kernel.  The assertion
> > needs to be replaced by an ext3_error() call.  I'll whip up a patch;
> > thanks for bringing this to my attention.
> >
> >       	    	     	   		- Ted
> 
> Over 10 nodes, brand new install from kickstart. I can reproduce it
> every time. Use the EL4 Update 5 cciss driver, no problem, install HP
> provided driver, it panics at shutdown/reboot.
> 
> Turn off dir_index on root and use the HP driver, no problem either.
> 
> Ulf.

Or if there is corruption, it gets corrupted by the HP driver. Or
something.



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