Hi,
On Fri, 27 Mar 2009, Wendy Cheng wrote:
I should get some sleep - but can't it be that I hit the potential
deadlock mentioned here:
commit 4787e11dc7831f42228b89ba7726fd6f6901a1e3
gfs-kmod: workaround for potential deadlock. Prefault user pages
[...]
file.
Kadlecsik Jozsef wrote:
I don't see a strong evidence of deadlock (but it could) from the thread
backtraces However, assuming the cluster worked before, you could have
overloaded the e1000 driver in this case. There are suspicious page faults
but memory is very ok. So one possibility is that GFS
Wendy Cheng wrote:
. [snip] ... There are many foot-prints of spin_lock - that's
worrisome. Hit a couple of sysrq-w next time when you have hangs,
other than sysrq-t. This should give traces of the threads that are
actively on CPUs at that time. Also check your kernel change log (to
see