Red Hat Bugzilla – Bug 452740
Kernel crash of Domain-0 while doing multiple dd's on a raid device.
Last modified: 2008-12-09 16:28:53 EST
Description of problem:
I have a Dual P4 Xeon machine (32 bit Xeons), with hyperthreading enabled and 6
gigs of memory, with 6 IDE drives. 4 of these are on a separate controller card,
and setup as a soft raid device /dev/md0, mounted on /data. If I try and run
multiple 'dd if=/dev/zero of=/data', it crashes.
Version-Release number of selected component (if applicable):
Happens every time.
Steps to Reproduce:
1. Run multiple instances of dd if=/dev/zero of=/data/bigfatfile.$RANDOM on a
2. Reducing the amount of memory available to Domain-0 seems to trigger it sooner.
Created attachment 310169 [details]
Crash log, as captured from ttyS0
Closing this as a duplicate of Bugzilla 452175 as it appears to be the same issue.
*** This bug has been marked as a duplicate of bug 452175 ***