xfs deadlock in stable kernel 3.0.4

[Stefan Priebe]

Hi,

>> Hello List,
>> 
>> on some of our heavy loaded servers using xfs we're seeing a deadlock where reading/writing to the xfs filesystem suddenly stops working.
>> 
>> Here you can find sysrq w triggered log messages of the locked processes.
>> 
>> http://pastebin.com/JWjrbrh4
> 
> What kind of workload are you running?  Also did the workload run fine
> with an older kernel, and if yes which one?

Mysql, Web, Mail, ftp ;-) yes it was with 2.6.32. I upgraded from that version.

Stefan