Hi Dave, On Thu, Mar 08, 2007 at 05:54:36PM -0500, Dave Jones wrote: > modprobe irda ; rmmod irda in 2.6.21rc3 gets me the spew below.. Well it seems that we call __irias_delete_object() from hashbin_delete(). Then __irias_delete_object() calls itself hashbin_delete() again. We're trying to get the lock recursively. I'll try to fix that soon, thanks for the report.
Cheers, Samuel. > Dave > > NET: Registered protocol family 23 > NET: Unregistered protocol family 23 > > ============================================= > [ INFO: possible recursive locking detected ] > 2.6.20-1.2966.fc7 #1 > --------------------------------------------- > rmmod/16712 is trying to acquire lock: > (&hashbin->hb_spinlock){....}, at: [<ffffffff884bf476>] > hashbin_delete+0x29/0x94 [irda] > > but task is already holding lock: > (&hashbin->hb_spinlock){....}, at: [<ffffffff884bf476>] > hashbin_delete+0x29/0x94 [irda] > > other info that might help us debug this: > 1 lock held by rmmod/16712: > #0: (&hashbin->hb_spinlock){....}, at: [<ffffffff884bf476>] > hashbin_delete+0x29/0x94 [irda] > > stack backtrace: > > Call Trace: > [<ffffffff802a303b>] __lock_acquire+0x151/0xbc4 > [<ffffffff884c1517>] :irda:__irias_delete_attrib+0x0/0x31 > [<ffffffff802a3ea4>] lock_acquire+0x4c/0x65 > [<ffffffff884bf476>] :irda:hashbin_delete+0x29/0x94 > [<ffffffff80264011>] _spin_lock_irqsave+0x2c/0x3c > [<ffffffff884bf476>] :irda:hashbin_delete+0x29/0x94 > [<ffffffff884c1918>] :irda:__irias_delete_object+0x0/0x39 > [<ffffffff884c193d>] :irda:__irias_delete_object+0x25/0x39 > [<ffffffff884bf48d>] :irda:hashbin_delete+0x40/0x94 > [<ffffffff884c5e3a>] :irda:iriap_cleanup+0x36/0x38 > [<ffffffff884c5fd6>] :irda:irda_cleanup+0x29/0x3a > [<ffffffff802aa1e1>] sys_delete_module+0x199/0x1ca > [<ffffffff8026ce36>] syscall_trace_enter+0x9a/0x9f > [<ffffffff8025c2b5>] tracesys+0xdc/0xe1 > > > -- > 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/