lkml.org 
[lkml]   [2000]   [Jan]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: kernel panics at google
Date
From
> Update: We (Google) set /proc/sys/net/ipv4/tcp_retrans_collapse to "0"
> on our webservers. Now, instead of a kernel panic, they seem to
> spontaneously reboot without any errors or explanation in
> /var/log/messages. For us, this is a significant improvement over the

Ok that fits the original diagnosis that someone had passed a freed buffer
down that part of the network stack. The question remains who.

> Any suggestion on how we can collect more information about why the
> machines are rebooting?

Its probably going to be a case of adding printk and other traps to a box
if Dave doesn't do it I'll have a look at where to drop some diagnostics in


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:56    [W:0.647 / U:0.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site