On 3/23/11 10:33 AM, Amir Goldstein wrote: > On Wed, Mar 23, 2011 at 4:57 PM, Eric Sandeen <sandeen@xxxxxxxxxx> wrote: >> On 3/23/11 9:36 AM, Amir Goldstein wrote: >>> On Wed, Mar 23, 2011 at 4:03 PM, Amir Goldstein <amir73il@xxxxxxxxx> wrote: >>>> >>>> I've been running xfstests on ext4 and I always get annoying failures to umount: >>>> >>>> 213 8s ... 31s >>>> umount: /mnt/test/ext4: device is busy. >>>> (In some cases useful info about processes that use >>>> the device is found by lsof(8) or fuser(1)) >>>> >>>> post 198 mostly fails to umount as well. >>>> and post 124 always fails to umount. >>>> >>>> My server is Ubuntu 10.10, running kernel 2.6.38. >>>> >>>> Is there any known issue about this? because I could find it on google >>>> or on the XFS list. >>>> >>> >>> Hi All, >>> >>> Has anyone seen these failures when running xfstests on ext4? >>> My test and scratch partitions are dedicated for xfstests. >> >> I've not seen it, can you investigate with lsof etc? > > OK. I have not given complete information. > It does not fail indefinably. I can umount the fs immediately after the failure. > Only the test fails because fsck sees a mounted fs. > There must be a bit of a delay in the umount that causes the problem. > >> >> They both work for me on a quick test, anyway, on a .38 >> kernel. > > Problem existed for me in .37 as well. I don't think it is kernel (or > fs) related. > I think it is a system problem, but I fall short of ideas how to fix it. > >> >> What are you using for your partitions under test? >> > > Currently, I have /dev/sda5,6,7,8. > I used to work with LVM, but lstat64 didn't like the /dev/mapper links, > so I switched to raw partitions. > Although I was puzzled that xfstests could not work over LVM partitions > It could when I changed lstat64 to stat64, but then I changed it back > thinking it was causing my problems. I tried to fix lvm, once, but all the dev symlinks vs. mtab vs. /proc/mounts was a rat's nest, and I gave up... :) -Eric >> -Eric >> >>> Thanks, >>> Amir. >> >> -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
