Re: [XenPPC] Crash with ssh

[Maria Butrico <butrico@xxxxxxxxxxxxxx>]

Jimi, where did you get the idea that this linux was SMP.  I recall that 
we build Linux for SMP even though we run it UP if we boot it on a xen 
partition.    Maybe you see something I missed. 

Jimi Xenidis wrote:
> Thanks for clarifying this Dilma, there is no Xen present if the Linux 
> is SMP :)
> -JX
> On Nov 27, 2006, at 10:25 AM, Dilma DaSilva wrote:
>
> > This is not a xen problem. I believe it's a gpfs problem on the
> > shutdown/umount path. We're using gpfs with a kernel version that it
> > doesn't support yet and I have fixed problems related to clear_inode
> > before (Linux has changed some interfaces in the vfs layer on 2.6.17).
> >
> > Dilma
> >
> >
> > David M Daly writes:
> > > I got the following error this morning from the console on one of our
> > > JS21s. I had a program that was supposed to ssh into the blade and 
> > > reboot
> > > it after shutting down GPFS. I don't think it did any of the gpfs 
> > > shutdown
> > > before crashing. Here is the error message. I saw it because I 
> > > happened to
> > > be on the SOL console ( I wouldn't normally be). This is the first time
> > > I'm noticing this. I will post again if I see more errors of this kind.
> > >
> > > cso85:/ # cpu 0x2: Vector: 700 (Program Check) at [c00000017b5a7340]
> > >     pc: c0000000000f62bc: .clear_inode+0x3c/0x120
> > >     lr: c0000000000f62b4: .clear_inode+0x34/0x120
> > >     sp: c00000017b5a75c0
> > >    msr: 9000000000029032
> > >   current = 0xc00000002facc540
> > >   paca    = 0xc0000000005ae600
> > >     pid   = 17947, comm = umount
> > > kernel BUG in clear_inode at
> > > /root/xen-maria-latest/linux/linux-xen-ppc/fs/inode.c:251!
> > > enter ? for help
> > > 2:mon>
> > > 2:mon>
> > >
> > > This is built from Maria's tree on 11-9.
> > >
> > > David Daly
> > > Research Staff Member
> > > 32-003 IBM T.J. Watson Research Center
> > > Yorktown Heights, NY, 10958
> > > (914) 945-1845, T/L 862-1845
> > > <br><font size=2 face="sans-serif">I got the following error this 
> > > morning
> > > from the console on one of our JS21s. I had a program that was supposed
> > > to ssh into the blade and reboot it after shutting down GPFS. I 
> > > don't think
> > > it did any of the gpfs shutdown before crashing. Here is the error 
> > > message.
> > > I saw it because I happened to be on the SOL console ( I wouldn't 
> > > normally
> > > be). This is the first time I'm noticing this. I will post again if 
> > > I see
> > > more errors of this kind. </font>
> > > <br>
> > > <br><font size=2 face="sans-serif">cso85:/ # cpu 0x2: Vector: 700 
> > > (Program
> > > Check) at [c00000017b5a7340]</font>
> > > <br><font size=2 face="sans-serif">&nbsp; &nbsp; pc: c0000000000f62bc:
> > > .clear_inode+0x3c/0x120</font>
> > > <br><font size=2 face="sans-serif">&nbsp; &nbsp; lr: c0000000000f62b4:
> > > .clear_inode+0x34/0x120</font>
> > > <br><font size=2 face="sans-serif">&nbsp; &nbsp; sp: 
> > > c00000017b5a75c0</font>
> > > <br><font size=2 face="sans-serif">&nbsp; &nbsp;msr: 
> > > 9000000000029032</font>
> > > <br><font size=2 face="sans-serif">&nbsp; current = 
> > > 0xc00000002facc540</font>
> > > <br><font size=2 face="sans-serif">&nbsp; paca &nbsp; &nbsp;= 
> > > 0xc0000000005ae600</font>
> > > <br><font size=2 face="sans-serif">&nbsp; &nbsp; pid &nbsp; = 17947, 
> > > comm
> > > = umount</font>
> > > <br><font size=2 face="sans-serif">kernel BUG in clear_inode at 
> > > /root/xen-maria-latest/linux/linux-xen-ppc/fs/inode.c:251!</font>
> > > <br><font size=2 face="sans-serif">enter ? for help</font>
> > > <br><font size=2 face="sans-serif">2:mon&gt;</font>
> > > <br><font size=2 face="sans-serif">2:mon&gt;</font>
> > > <br>
> > > <br><font size=2 face="sans-serif">This is built from Maria's tree 
> > > on 11-9.
> > > </font>
> > > <br>
> > > <br><font size=2 face="sans-serif">David Daly<br>
> > > Research Staff Member<br>
> > > 32-003 IBM T.J. Watson Research Center<br>
> > > Yorktown Heights, NY, 10958<br>
> > > (914) 945-1845, T/L 
> > > 862-1845</font>_______________________________________________
> > > Xen-ppc-devel mailing list
> > > Xen-ppc-devel@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xen-ppc-devel
> > _______________________________________________
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> > Xen-ppc-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-ppc-devel
>
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