I just had a user file the report below, which iirc, was deemed a false positive. Didn't we add something to the code so that lockdep would ignore what this was doing ? Did we regress?
(This was .21-rc5, during resume) Dave > ============================================= > [ INFO: possible recursive locking detected ] > 2.6.20-1.3062.fc7 #1 > --------------------------------------------- > kseriod/216 is trying to acquire lock: > (&ps2dev->cmd_mutex){--..}, at: [<c0614fa2>] mutex_lock+0x21/0x24 > > but task is already holding lock: > (&ps2dev->cmd_mutex){--..}, at: [<c0614fa2>] mutex_lock+0x21/0x24 > > other info that might help us debug this: > 5 locks held by kseriod/216: > #0: (serio_mutex){--..}, at: [<c0614fa2>] mutex_lock+0x21/0x24 > #1: (&s->rwsem){----}, at: [<c05882de>] serio_find_driver+0x13/0x50 > #2: (&serio->drv_mutex){--..}, at: [<c0614fa2>] mutex_lock+0x21/0x24 > #3: (psmouse_mutex){--..}, at: [<c0614fa2>] mutex_lock+0x21/0x24 > #4: (&ps2dev->cmd_mutex){--..}, at: [<c0614fa2>] mutex_lock+0x21/0x24 > > stack backtrace: > [<c04061e9>] show_trace_log_lvl+0x1a/0x2f > [<c04067ad>] show_trace+0x12/0x14 > [<c0406831>] dump_stack+0x16/0x18 > [<c0442089>] __lock_acquire+0x11f/0xba4 > [<c0442f00>] lock_acquire+0x56/0x6f > [<c0614e0a>] __mutex_lock_slowpath+0xf7/0x26e > [<c0614fa2>] mutex_lock+0x21/0x24 > [<c058ad30>] ps2_command+0x92/0x319 > [<c05912d8>] psmouse_sliced_command+0x1c/0x5a > [<c0594861>] synaptics_pt_write+0x1e/0x41 > [<c058ac0c>] ps2_sendbyte+0x39/0xcb > [<c058adaa>] ps2_command+0x10c/0x319 > [<c0590f13>] psmouse_probe+0x1d/0x6c > [<c0591f90>] psmouse_connect+0xed/0x205 > [<c05882a3>] serio_connect_driver+0x1e/0x2e > [<c05882c9>] serio_driver_probe+0x16/0x18 > [<c0562b45>] really_probe+0xc7/0x150 > [<c0562c63>] driver_probe_device+0x95/0xa1 > [<c0562c77>] __device_attach+0x8/0xa > [<c0562035>] bus_for_each_drv+0x3a/0x65 > [<c0562d00>] device_attach+0x68/0x7d > [<c05882e9>] serio_find_driver+0x1e/0x50 > [<c0588f39>] serio_thread+0x153/0x2a6 > [<c043830f>] kthread+0xb3/0xdc > [<c0405cd3>] kernel_thread_helper+0x7/0x10 > ======================= -- http://www.codemonkey.org.uk - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/