Hello
On Saturday 13 January 2007 01:56, Laurent Riffard wrote:
> Le 06.01.2007 19:58, Vladimir V. Saveliev a écrit :
> > Hello
> >
> > On Saturday 06 January 2007 13:58, Laurent Riffard wrote:
> >> Hello,
> >>
> >> got this with 2.6.20-rc3-mm1:
> >>
> >> =======================
> >> SysRq : Show Blocked State
> >>
> >> free sibling
> >> task PC stack pid father child younger older
> >> umount D C013135E 6044 1168 1150 (NOTLB)
> >> de591ae4 00000086 de591abc c013135e dff979c8 c012a6fe 00000046 00000007
> >> dfd94ac0 128d3000 00000026 00000000 dfd94bcc dff979c8 de591ae4 dffda038
> >> 00000002 dff979c0 dff979bc dff979c8 de591b10 c012d600 dff979f8 00000000
> >> Call Trace:
> >> [<c012d600>] synchronize_qrcu+0x70/0x8c
> >> [<c01bede4>] __make_request+0x4c/0x29b
> >> [<c01bd24b>] generic_make_request+0x1b0/0x1de
> >> [<c01bf354>] submit_bio+0xda/0xe2
> >> [<e12674bd>] write_jnodes_to_disk_extent+0x920/0x974 [reiser4]
> >> [<e12678dd>] update_journal_footer+0x29f/0x2b7 [reiser4]
> >> [<e1268b65>] write_tx_back+0x149/0x185 [reiser4]
> >> [<e126a8e7>] reiser4_write_logs+0xea4/0xfd2 [reiser4]
> >> [<e125626a>] try_commit_txnh+0x7e6/0xa4f [reiser4]
> >> [<e125661b>] reiser4_txn_end+0x148/0x3cf [reiser4]
> >> [<e12568ad>] reiser4_txn_restart+0xb/0x1a [reiser4]
> >> [<e125692f>] reiser4_txn_restart_current+0x73/0x75 [reiser4]
> >> [<e1256b89>] force_commit_atom+0x258/0x261 [reiser4]
> >> [<e1257703>] txnmgr_force_commit_all+0x406/0x697 [reiser4]
> >> [<e12e5e08>] release_format40+0x10c/0x193 [reiser4]
> >> [<e1279922>] reiser4_put_super+0x134/0x16a [reiser4]
> >> [<c015c930>] generic_shutdown_super+0x55/0xd8
> >> [<c015c9d3>] kill_block_super+0x20/0x32
> >> [<c015ca75>] deactivate_super+0x3f/0x51
> >> [<c016d903>] mntput_no_expire+0x42/0x5f
> >> [<c0160f37>] path_release_on_umount+0x15/0x18
> >> [<c016df77>] sys_umount+0x1a3/0x1cb
> >> [<c016dfb8>] sys_oldumount+0x19/0x1b
> >> [<c0103ed2>] sysenter_past_esp+0x5f/0x99
> >> =======================
> >>
> >> Scenario:
> >> - umount a reiser4 FS (no need to write something before)
> >
> > Hmm, I can not reproduce this with 2.6.20-rc3-mm1. Probably I need to config the kernel more close to your system.
> >
> >> Earlier kernels were OK.
>
> This still happens with 2.6.20-rc4-mm1...
>
> Should I open a bug report at http://bugzilla.kernel.org?
>
Which device with reiser4 did you try to umount?
Jens wrote that it could be a barrier related. If there are no multidevices involved - please report to bugzilla.
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