On Wed, Aug 24 2005, Lee Revell wrote: > Just found this in dmesg. > > BUG: scheduling with irqs disabled: libc6.postinst/0x20000000/13229 > caller is ___down_mutex+0xe9/0x1a0 > [<c029c1f9>] schedule+0x59/0xf0 (8) > [<c029ced9>] ___down_mutex+0xe9/0x1a0 (28) > [<c0221832>] cfq_exit_single_io_context+0x22/0xa0 (84) > [<c02218ea>] cfq_exit_io_context+0x3a/0x50 (16) > [<c021db84>] exit_io_context+0x64/0x70 (16) > [<c011efda>] do_exit+0x5a/0x3e0 (20) > [<c011f3ca>] do_group_exit+0x2a/0xb0 (24) > [<c0103039>] syscall_call+0x7/0xb (20)
Hmm, Ingo I seem to remember you saying that the following construct: local_irq_save(flags); spin_lock(lock); which is equivelant to spin_lock_irqsave() in mainline being illegal in -RT, is that correct? This is what cfq uses right now for an exiting task, as the above trace indicates. -- Jens Axboe - 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/