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SubjectRe: 2.6.23-rc1-mm2


Am Wednesday 01 August 2007 08:09 schrieb Andrew Morton:
> - the git-block tree remains dropped due to disageement with the Vaio
> - git-e1000new was withdrawn by the authors
> - git-wireless is back. It is still a >3MB diff, and appears to compile.
> - Is anyone testing the kgdb code in here?

I still get some nfs related locking bug.

I applied


[ INFO: possible recursive locking detected ]
2.6.23-rc1-mm2 #3
events/0/5 is trying to acquire lock:
(events){--..}, at: [<c012ed90>] flush_workqueue+0x0/0x70

but task is already holding lock:
(events){--..}, at: [<c012e5c4>] run_workqueue+0xd4/0x1e0

other info that might help us debug this:
2 locks held by events/0/5:
#0: (events){--..}, at: [<c012e5c4>] run_workqueue+0xd4/0x1e0
#1: ((nfs_automount_task).work){--..}, at: [<c012e5c4>]

stack backtrace:
[<c0104fda>] show_trace_log_lvl+0x1a/0x30
[<c0105c02>] show_trace+0x12/0x20
[<c0105d15>] dump_stack+0x15/0x20
[<c013ee42>] __lock_acquire+0xc22/0x1030
[<c013f2b1>] lock_acquire+0x61/0x80
[<c012edd9>] flush_workqueue+0x49/0x70
[<c012ee0d>] flush_scheduled_work+0xd/0x10
[<dcf55c0c>] nfs_release_automount_timer+0x2c/0x30 [nfs]
[<dcf45d8e>] nfs_free_server+0x9e/0xd0 [nfs]
[<dcf4e626>] nfs_kill_super+0x16/0x20 [nfs]
[<c017b38d>] deactivate_super+0x7d/0xa0
[<c018f94b>] mntput_no_expire+0x4b/0x80
[<c018fd94>] expire_mount_list+0xe4/0x140
[<c0191219>] mark_mounts_for_expiry+0x99/0xb0
[<dcf55d1d>] nfs_expire_automounts+0xd/0x40 [nfs]
[<c012e61b>] run_workqueue+0x12b/0x1e0
[<c012f05b>] worker_thread+0x9b/0x100
[<c0131c72>] kthread+0x42/0x70
[<c0104c0f>] kernel_thread_helper+0x7/0x18



"The enemy uses unauthorized weapons."
Lord Arthur Ponsonby, "Falsehood in Wartime: Propaganda Lies of the First
World War", 1928
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