On Thu, Feb 17, 2011 at 10:57 AM, Eric W. Biederman <ebiederm@xxxxxxxxxxxx> wrote: > > fedora 14 > ext4 on all filesystems Your dmesg snippets had ext3 mentioned, though: <6>EXT3-fs (sda1): recovery required on readonly filesystem <6>EXT3-fs (sda1): write access will be enabled during recovery <6>EXT3-fs: barriers not enabled .. <6>EXT3-fs (sda1): recovery complete <6>EXT3-fs (sda1): mounted filesystem with ordered data mode <6>dracut: Mounted root filesystem /dev/sda1 not that I see that it should matter, but there's been some bigger ext3 changes too (like the batched discard). I don't really think ext3 is the issue, though. > I was about to say this happens with DEBUG_PAGEALLOC enabled but it > appears that options keeps eluding my fingers when I have a few minutes > to play with it. Perhaps this time will be the charm. Please do. You seem to be much better at triggering it than anybody else. And do the DEBUG_LIST and DEBUG_SLUB_ON things too (even if the DEBUG_LIST thing won't catch list_move()) Linus -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href