Bill McGonigle bill@bfccomputing.com writes:
In the DomU, I'll see a lock-up, and then filesystem errors. e.g.:
Installing : kernel [############################################ ] 1/33EXT3-fs error (device xvda1) in ext3_ordered_writepage: IO failure
In the Dom0, I'll see:
sd 6:0:0:0: timing out command, waited 360s sd 6:0:0:0: SCSI error: return code = 0x06050000 end_request: I/O error, dev sdc, sector 37319
try
xm sched-credit -d 0 60000
and see if you still have the problem.
if that doesn't work, try
xm vcpu-set 0 1
then edit all your domu config files and add: cpus="1-7"
(assuming a dual socket quad core box... the idea is to reserve a cpu for the dom0)
the idea is that if your dom0 is starved for CPU, you get all sorts of network and other I/O weirdness.