Re: an occational trouble with xfs file system which xfs_repair 2.7.14 has been able to fix

[Eric Sandeen <sandeen@xxxxxxxxxxx>]

Erkki Lintunen wrote:
...

> commands in a script. When the trouble begins cp -al command starts to 
> take several hours and hundreds of megs memory. rm -fr of a subtree also 
> takes considerably longer than rm a subtree in another bigger tree in 
> the same filesystem, but the rm commands have always finnished, which 
> the cp -al commands haven't. Most of the time the cp -al process has D 
> status.

...

> What else information I could provide in addition to those requested in FAQ?

When you get a process in the D state, do echo t > /proc/sysrq-trigger
to get backtraces of all processes; or echo w to get all blocked processes.

-Eric