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.