Messages in this thread | | | Date | Wed, 23 May 2007 16:31:54 +1000 | From | David Chinner <> | Subject | BUG: sleeping function called from invalid context at kernel/fork.c:385 |
| |
Saw this when running strace -f on a script on 2.6.21 on ia64:
BUG: sleeping function called from invalid context at kernel/fork.c:385 in_atomic():1, irqs_disabled():0
Call Trace: [<a000000100014700>] show_stack+0x80/0xa0 sp=e00000306e6f7a00 bsp=e00000306e6f0ef8 [<a000000100014750>] dump_stack+0x30/0x60 sp=e00000306e6f7bd0 bsp=e00000306e6f0ee0 [<a0000001000acaf0>] __might_sleep+0x1f0/0x260 sp=e00000306e6f7bd0 bsp=e00000306e6f0eb8 [<a0000001000bd2e0>] mmput+0x20/0x220 sp=e00000306e6f7bd0 bsp=e00000306e6f0e90 [<a0000001000321e0>] sys_ptrace+0x460/0x1600 sp=e00000306e6f7bd0 bsp=e00000306e6f0d80 [<a00000010000bc40>] ia64_ret_from_syscall+0x0/0x20 sp=e00000306e6f7e30 bsp=e00000306e6f0d80 [<a000000000010620>] __kernel_syscall_via_break+0x0/0x20 sp=e00000306e6f8000 bsp=e00000306e6f0d80 BUG: sleeping function called from invalid context at kernel/fork.c:385 in_atomic():1, irqs_disabled():0
Call Trace: [<a000000100014700>] show_stack+0x80/0xa0 sp=e00000306e6f7a00 bsp=e00000306e6f0ef8 [<a000000100014750>] dump_stack+0x30/0x60 sp=e00000306e6f7bd0 bsp=e00000306e6f0ee0 [<a0000001000acaf0>] __might_sleep+0x1f0/0x260 sp=e00000306e6f7bd0 bsp=e00000306e6f0eb8 [<a0000001000bd2e0>] mmput+0x20/0x220 sp=e00000306e6f7bd0 bsp=e00000306e6f0e90 [<a0000001000321e0>] sys_ptrace+0x460/0x1600 sp=e00000306e6f7bd0 bsp=e00000306e6f0d80 [<a00000010000bc40>] ia64_ret_from_syscall+0x0/0x20 sp=e00000306e6f7e30 bsp=e00000306e6f0d80 [<a000000000010620>] __kernel_syscall_via_break+0x0/0x20 sp=e00000306e6f8000 bsp=e00000306e6f0d80
I could reproduce it via 'strace -f sleep 1'
Cheers,
Dave. -- Dave Chinner Principal Engineer SGI Australian Software Group - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |