[BUG?][2.6.25-mm1] sleeping during IRQ disabled

KOSAKI Motohiro
2008-05-02T09:27:44Z

Hi

On ia64 2.6.25-mm1, below message is displayed at stress test running.
Is it bug or not?

---------------------------------------------
BUG: sleeping function called from invalid context at kernel/rwsem.c:21
in_atomic():0, irqs_disabled():1

Call Trace:
[<a000000100015d00>] show_stack+0x80/0xa0
spà0001608577f840 bspà00016085771038
[<a000000100015d50>] dump_stack+0x30/0x60
spà0001608577fa10 bspà00016085771020
[<a000000100092e80>] __might_sleep+0x1e0/0x2e0
spà0001608577fa10 bspà00016085770ff0
[<a000000100791f00>] down_read+0x20/0x60
spà0001608577fa10 bspà00016085770fd0
[<a00000010015cd50>] access_process_vm+0x70/0x3a0
spà0001608577fa10 bspà00016085770f28
[<a000000100030f60>] ia64_sync_kernel_rbs+0x40/0x100
spà0001608577fa20 bspà00016085770ef0
[<a00000010002f640>] do_sync_rbs+0xc0/0x100
spà0001608577fa30 bspà00016085770ec0
[<a00000010000b250>] unw_init_running+0x70/0xa0
spà0001608577fa40 bspà00016085770e98
[<a000000100033ee0>] ia64_sync_krbs+0x80/0xa0
spà0001608577fe20 bspà00016085770e80
[<a0000001000168a0>] do_notify_resume_user+0x1c0/0x1e0
spà0001608577fe20 bspà00016085770e50
[<a00000010000b0e0>] notify_resume_user+0x40/0x60
spà0001608577fe20 bspà00016085770e00
[<a00000010000b010>] skip_rbs_switch+0xe0/0x110
spà0001608577fe30 bspà00016085770e00
[<a000000000010720>] __kernel_syscall_via_break+0x0/0x20
spà00016085780000 bspà00016085770e0