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Re: [XenPPC] Crash with ssh

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>_______________________________________________
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