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Message-ID: <a44ae5cd0702202257g28a6ccb4rc89d45b90bc6bec4@mail.gmail.com>
Date: Tue, 20 Feb 2007 22:57:09 -0800
From: "Miles Lane" <miles.lane@gmail.com>
To: "Andrew Morton" <akpm@osdl.org>, LKML <linux-kernel@vger.kernel.org>,
       "Alex Dubov" <oakad@yahoo.com>
Subject: 2.6.20-mm2 -- tifm/0/1919 is trying to release lock (&fm->lock) at: [<f90d392f>] tifm_7xx1_switch_media+0x2e9/0x326 [tifm_7xx1]
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Hello,

When I pull my SD card out of my laptop, I get the following:

tifm_7xx1: demand removing card from socket 3
=====================================
[ BUG: bad unlock balance detected! ]
-------------------------------------
tifm/0/1919 is trying to release lock (&fm->lock) at:
[<f90d392f>] tifm_7xx1_switch_media+0x2e9/0x326 [tifm_7xx1]
but there are no more locks to release!

other info that might help us debug this:
no locks held by tifm/0/1919.

stack backtrace:
 [<c0104c86>] show_trace_log_lvl+0x1a/0x2f
 [<c01052ba>] show_trace+0x12/0x14
 [<c010533e>] dump_stack+0x16/0x18
 [<c0130c8f>] print_unlock_inbalance_bug+0xec/0xf9
 [<c0132dd5>] lock_release+0x9b/0x17c
 [<c02fcb48>] _spin_unlock_irqrestore+0x19/0x3c
 [<f90d392f>] tifm_7xx1_switch_media+0x2e9/0x326 [tifm_7xx1]
 [<c0128cf4>] kthread+0xa3/0xcf
 [<c0104937>] kernel_thread_helper+0x7/0x10
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