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Re: [linux-lvm] Oops with kernel 2.5.44



Joe has some updated stuff that he hasn't put online yet, but for a
quick fix, the following patch takes care of that oops:

http://chunk.mp3revolution.net/lvm2/patches/09.patch

On Sun, Oct 20, 2002 at 03:44:03PM +0200, Geert Jansen wrote:
> 
> Dear LVM developers,
> 
> I decided to give LVM2 a try but unfortunately it oopses on me.
> Software I used:
> 
>   * Linux kernel 2.5.44
>   * Device mapper patches from:
>     http://people.sistina.com/~thornber/patches/2.5-stable
>   * Device mapper programs from:
>     ftp://ftp.sistina.com/pub/LVM2/device-mapper/device-mapper-latest.tgz
>   * LVM2 tools from:
>     ftp://ftp.sistina.com/pub/LVM2/tools/LVM2.0-latest.tgz
> 
> The oops:
> 
> Unable to handle kernel NULL pointer dereference at virtual address 00000004
>  printing eip:
> c01f2aca
> *pde = 00000000
> Oops: 0002
>  
> CPU:    0
> EIP:    0060:[<c01f2aca>]    Not tainted
> EFLAGS: 00010202
> EIP is at device_add+0xea/0x160
> eax: cf091560   ebx: c04517d0   ecx: 00000000   edx: 00000000
> esi: cf091558   edi: ffffffea   ebp: cf091500   esp: cf10def8
> ds: 0068   es: 0068   ss: 0068
> Process vgchange (pid: 138, threadinfo=cf10c000 task=cfa2e0a0)
> Stack: cf091558 00000077 cf091558 00000001 cf0915e1 c016f5b8 cf091558 00000002 
>        c020fa55 0000fe00 00000000 00000000 00000000 cf091400 082480d8 00000002 
>        c0278844 cf091500 c035d01d 00000000 00000000 d28e0000 c027bc78 d28e0022 
> Call Trace:
>  [<c016f5b8>] register_disk+0x48/0x170
>  [<c020fa55>] add_disk+0x75/0x90
>  [<c0278844>] dm_create+0x124/0x160
>  [<c027bc78>] create+0x98/0xd0
>  [<c027c6db>] ctl_ioctl+0xbb/0xf0
>  [<c027bbe0>] create+0x0/0xd0
>  [<c0155164>] sys_ioctl+0xf4/0x320
>  [<c010782b>] syscall_call+0x7/0xb
> 
> Code: 89 4a 04 89 11 89 d9 89 46 08 89 40 04 ff 05 d0 17 45 c0 0f 
>  
> 
> The oops occured when running the command "vgchange -ay". Before that,
> the command "vgscan" executed successfully. The system is a Dell laptop
> with a 20G LVM volume group created with the LVM1 tools. The metadata
> format is "lvm1".
> 
> I'd be happy to provide more information or test a patch.
> 
> Regards,
> Geert Jansen
> 
> _______________________________________________
> linux-lvm mailing list
> linux-lvm sistina com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

-- 
It's not denial.  I'm just selective about the reality I accept.
	-- Bill Watterson



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