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From: Nikita Danilov <Nikita@Namesys.COM>
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Date: Mon, 15 Sep 2003 17:52:55 +0400
To: Maciej Soltysiak <solt@dns.toxicfilms.tv>
Cc: Oleg Drokin <green@namesys.com>, reiserfs-dev@namesys.com,
       reiserfs-list@namesys.com, linux-kernel@vger.kernel.org
Subject: Re: reiser4 snapshot 20030905 [OOPS]
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Maciej Soltysiak writes:
 > Hi,
 > 
 > I compiled the kernel (2.6.0-test5) without key_large support
 > I attached a disk /dev/hda (I'm booting off /dev/hdb)
 > 
 > # mkfs.reiser4 /dev/hda1
 > Went ok
 > 
 > # mount -t reiser4 /dev/hda1 /1
 > And here's the output. It seems unsupported keys cause null pointer
 > dereference.

This is known problem. Actually, reiser4 mount function cannot handle
errors very well at the moment.

 > 
 > reiser4[mount(1504)]: get_ready_format40 (fs/reiser4/plugin/disk_format/disk_format40.c:229)[nikita-3228]:
 > WARNING: Key format mismatch. Only small keys are supported.
 > Unable to handle kernel NULL pointer dereference at virtual address 00000000
 >  printing eip:

[...]

 >  [<c0109089>] sysenter_past_esp+0x52/0x71
 > 

Nikita.
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