--- Alasdair G Kergon <agk@xxxxxxxxxx> wrote: > On Wed, Oct 13, 2004 at 09:17:02AM -0700, Yue Xu > wrote: > > I can reproduce a bug by running a lvm2 snapshot > test > > Nice that it's reproducible! > > Firstly, we've just checked newer 2.4 kernel patches > into > device-mapper CVS: please re-test with them. Thanks for the advices. I checked out patches from CVS and the test fails on both of the following kernels: 1. vanilla kernel 2.4.27 + linux-2.4.27-devmapper-ioctl.patch + linux-2.4.22-VFS-lock.patch 2. vanilla kernel 2.4.28-pre4 + linux-2.4.28-pre4-devmapper-ioctl.patch + linux-2.4.22-VFS-lock.patch > > If it still goes wrong, please try to provide the > full set of > (processed) kernel error messages. Here they are: kmem_cache_destroy: Can't free all objects edd28ecc kernel BUG at slab.c:815! invalid operand: 0000 CPU: 0 EIP: 0010:[<c013747a>] Not tainted EFLAGS: 00010246 eax: 00000000 ebx: ec1bd35c ecx: f7c39c5c edx: edd28f38 esi: edd28f2a edi: f889183e ebp: f7857ed0 esp: f7857ea4 ds: 0018 es: 0018 ss: 0018 Process modprobe (pid: 6859, stackpage=f7857000) Stack: ec1bd35c 0000001c 00000000 f7857ec0 ec1bd37c edd28f38 fffffffc 0000000c 00000000 00000000 00000000 f7857ef0 f888861f f8891838 0000001c 00000080 00020000 00000000 00000000 f7857f04 f888867f ffffffea 00000000 00000000 Call Trace: [<f888861f>] [<f8891838>] [<f888867f>] [<c011f224>] [<f8888060>] [<f8888060>] [<f8893028>] [<f8888060>] [<c0109187>] Code: 0f 0b 2f 03 b4 e4 33 c0 8b 01 89 ca 89 c1 0f 18 00 81 fa ec > > Other things to try: > Does it still fail if you miss out the xfs_freeze > commands? Yes, and it also fails if I remove the norecovery option when mounting file system. > Does it fail if you use ext3 instead of xfs? No. Not in ext2 either. If you need more infomation, please tell me. Thanks! __________________________________ Do you Yahoo!? Yahoo! Mail Address AutoComplete - You start. We finish. http://promotions.yahoo.com/new_mail