WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] segfault in dom0

To: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] segfault in dom0
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Thu, 15 Jul 2004 08:10:44 +0100
Cc: Jody Belka <lists-xen@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxxx
Delivery-date: Thu, 15 Jul 2004 08:11:54 +0100
Envelope-to: steven.hand@xxxxxxxxxxxx
In-reply-to: Your message of "Thu, 15 Jul 2004 08:00:40 BST." <E1Bl0EU-00055j-00@xxxxxxxxxxxxxxxxx>
List-archive: <http://sourceforge.net/mailarchive/forum.php?forum=xen-devel>
List-help: <mailto:xen-devel-request@lists.sourceforge.net?subject=help>
List-id: List for Xen developers <xen-devel.lists.sourceforge.net>
List-post: <mailto:xen-devel@lists.sourceforge.net>
List-subscribe: <https://lists.sourceforge.net/lists/listinfo/xen-devel>, <mailto:xen-devel-request@lists.sourceforge.net?subject=subscribe>
List-unsubscribe: <https://lists.sourceforge.net/lists/listinfo/xen-devel>, <mailto:xen-devel-request@lists.sourceforge.net?subject=unsubscribe>
Sender: xen-devel-admin@xxxxxxxxxxxxxxxxxxxxx
Also, to clarify: there was no other domain than DOM0 involved in this
transfer -- the transfer was from a remote machine?

 -- Keir

> 
> Can you point us at the vmlinux file for this backtrace? Also, I can't
> see the repository revision you've described -- what is the output of
> 'bk sccslog | head' on your repository?
> 
>  Thanks,
>  Keir
> 
> > Just finished copying 135 gigs of files into my dom0 system over
> > the network using smbclient. No errors occured during the copy.
> > Immediately afterwards i tried to run a find command, but it's
> > segfaulting on me:
> > 
> > <1>Unable to handle kernel NULL pointer dereference at virtual address 
> > 00000000
> >  printing eip:                                                              
> >                
> > c0037d86      
> > *pde=00000000(55555000)
> > Oops: 0000             
> > CPU:    0 
> > EIP:    0819:[<c0037d86>]    Not tainted
> > EFLAGS: 00211213                        
> > eax: 00000000   ebx: fffffff0   ecx: 0000000d   edx: 00196f45
> > esi: 00000000   edi: c07fffa0   ebp: c07fff00   esp: c07ffee0
> > ds: 0821   es: 0821   ss: 0821                               
> > Process find (pid: 975, stackpage=c07ff000)<1>
> > Stack: c07fff50 00000000 c07fffa0 00000000 c1092758 c24bd000 00196f45 
> > 00000003 
> >        c07fff14 c002f571 c1d3aa40 c07fff50 c07fff50 c07fff5c c002fd40 
> > c1d3aa40 
> >        c07fff50 00000000 c07fffa0 c24bd000 00000000 c278f8c0 0000000e 
> > c12c8974 
> > Call Trace: [<c002f571>] [<c002fd40>] [<c002ffed>] [<c003015e>] 
> > [<c00303cd>]   
> >    [<c002cf9a>] [<c009c08b>]                                                
> >  
> >                              
> > 
> > I've tried running find a few times, and the only differences each time
> > are in edi/ebp/esp/stackpage/stack/pid
> > 
> > I'm currently running rev 40f41ae00utn5d2f3tlNLcvG_QhiBA from 2004-07-13 
> > 17:24:48
> > 
> > This also happened to me on an older rev, but i was messing about with the 
> > vmmon
> > stuff at the time, and i also wanted to move up to a newer rev to see if 
> > that
> > fixed things before saying anything. Now, last time the find worked again 
> > after
> > a reboot, but that's obviously no good. For the moment this time i've just 
> > left
> > things as-is right now.
> > 
> > -- 
> > Jody Belka
> > knew (at) pimb (dot) org
> > 
> > 
> > -------------------------------------------------------
> > This SF.Net email is sponsored by BEA Weblogic Workshop
> > FREE Java Enterprise J2EE developer tools!
> > Get your free copy of BEA WebLogic Workshop 8.1 today.
> > http://ads.osdn.com/?ad_id=4721&alloc_id=10040&op=click
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.sourceforge.net/lists/listinfo/xen-devel
> 
> 
> 
> -------------------------------------------------------
> This SF.Net email is sponsored by BEA Weblogic Workshop
> FREE Java Enterprise J2EE developer tools!
> Get your free copy of BEA WebLogic Workshop 8.1 today.
> http://ads.osdn.com/?ad_id=4721&alloc_id=10040&op=click
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxxxx
> https://lists.sourceforge.net/lists/listinfo/xen-devel



-------------------------------------------------------
This SF.Net email is sponsored by BEA Weblogic Workshop
FREE Java Enterprise J2EE developer tools!
Get your free copy of BEA WebLogic Workshop 8.1 today.
http://ads.osdn.com/?ad_id=4721&alloc_id=10040&op=click
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.sourceforge.net/lists/listinfo/xen-devel