linux-kernel - Re: 2.6.18-rc4-mm2

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Date:	Sun, 20 Aug 2006 23:27:44 +0200
From:	Mariusz Kozlowski <m.kozlowski@...land.pl>
To:	Andrew Morton <akpm@...l.org>
Cc:	linux-kernel@...r.kernel.org, linux-pcmcia@...ts.infradead.org
Subject: Re: 2.6.18-rc4-mm2

Hello,

	I get this on my laptop when doing reboot or shutdown. Config is attached.

=============================================
[ INFO: possible recursive locking detected ]
---------------------------------------------
cardmgr/4736 is trying to acquire lock:
(pcmcia_socket_list_rwsem){----}, at: [<de86de50>] adjust_memory+0x92/0xe6 
[rsrc_nonstatic]

but task is already holding lock:
(pcmcia_socket_list_rwsem){----}, at: [<de8653bf>] 
pcmcia_adjust_resource_info+0x1c/0xfe [pcmcia_core]

other info that might help us debug this:
2 locks held by cardmgr/4736:
#0:  (pcmcia_socket_list_rwsem){----}, at: [<de8653bf>] 
pcmcia_adjust_resource_info+0x1c/0xfe [pcmcia_core]
#1:  (rsrc_mutex){--..}, at: [<c03d7e67>] mutex_lock+0x1c/0x1f
 
stack backtrace:
[<c010366e>] show_trace_log_lvl+0x16b/0x17e
[<c0103693>] show_trace+0x12/0x16
[<c0103792>] dump_stack+0x19/0x1d
[<c012d0e0>] print_deadlock_bug+0xbe/0xc3
[<c012d141>] check_deadlock+0x5c/0x6c
[<c012e87e>] __lock_acquire+0x31d/0x92c
[<c012f550>] lock_acquire+0x6f/0x8c
[<c012b8a8>] down_read+0x3c/0x4d
[<de86de50>] adjust_memory+0x92/0xe6 [rsrc_nonstatic]
[<de86dfb3>] nonstatic_adjust_resource_info+0x55/0x57 [rsrc_nonstatic]
[<de86546b>] pcmcia_adjust_resource_info+0xc8/0xfe [pcmcia_core]
[<ded427a2>] ds_ioctl+0x33e/0x5ec [pcmcia]
[<c0173748>] do_ioctl+0x5c/0x79
[<c01738c8>] vfs_ioctl+0x55/0x196
[<c0173a42>] sys_ioctl+0x39/0x5b
[<c010300f>] syscall_call+0x7/0xb
[<b7f2c584>] 0xb7f2c584
[<c0103693>] show_trace+0x12/0x16
[<c0103792>] dump_stack+0x19/0x1d
[<c012d0e0>] print_deadlock_bug+0xbe/0xc3
[<c012d141>] check_deadlock+0x5c/0x6c
[<c012e87e>] __lock_acquire+0x31d/0x92c
[<c012f550>] lock_acquire+0x6f/0x8c
[<c012b8a8>] down_read+0x3c/0x4d
[<de86de50>] adjust_memory+0x92/0xe6 [rsrc_nonstatic]
[<de86dfb3>] nonstatic_adjust_resource_info+0x55/0x57 [rsrc_nonstatic]
[<de86546b>] pcmcia_adjust_resource_info+0xc8/0xfe [pcmcia_core]
[<ded427a2>] ds_ioctl+0x33e/0x5ec [pcmcia]
[<c0173748>] do_ioctl+0x5c/0x79
[<c01738c8>] vfs_ioctl+0x55/0x196
[<c0173a42>] sys_ioctl+0x39/0x5b
[<c010300f>] syscall_call+0x7/0xb

Regards,

	Mariusz

View attachment ".config" of type "text/plain" (36623 bytes)