Le 06.01.2007 11:58, Laurent Riffard a écrit :
Le 05.01.2007 07:02, Andrew Morton a écrit :
Temporarily at
http://userweb.kernel.org/~akpm/2.6.20-rc3-mm1/
will appear later at
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.20-rc3/2.6.20-rc3-mm1/
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)
Earlier kernels were OK.
I tested Frederik Deweerdt's patch for "lockdep: unbalance at
generic_sync_sb_inodes", it did not help.
I think I'll a give a try to
http://userweb.kernel.org/~akpm/2.6.20-rc3-mm1x.bz2 (basically
2.6.20-rc3-mm1, minus git-block.patch).
Ok, 2.6.20-rc3-mm1 minus git-block.patch does work for me, ie I can safely
use reiser4 FS, there is no more lockups.
--
laurent
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