Kernel panic in ext3:dx_probe, help needed

[Ulf Zimmermann]

> -----Original Message-----
> From: Theodore Tso [mailto:tytso at mit.edu]
> Sent: Monday, July 30, 2007 21:07
> To: Ulf Zimmermann
> Cc: Christian Kujau; ext3-users at 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.