Re: panics with 16port Promise Supertrack EX Controller

From: Flavio Curti
Date: Sun Jul 15 2007 - 04:02:29 EST


Hello

On Mon, Jul 09, 2007 at 11:59:36AM +1000, Nick Piggin wrote:
> >Jul 8 00:19:13 dorade.cyberlink.ch EFLAGS: 00210046
> >(2.6.22-rc7-dorade #1)
> >>The machine panics
> >>after some days of running fine, the machine inst heavy loaded.
> >>The Controller detects as stex device:
> >kernel BUG at block/as-iosched.c:1084!
> >
> >BUG_ON(RB_EMPTY_ROOT(&ad->sort_list[REQ_ASYNC]));
> Could be a bug in the driver that just happens to be caught by AS checks.
> If you could test another scheduler (boot with elevator=deadline or
> elevator=cfq),
> it might help give us an idea.

Ok, I now switched to cfg, and the machine panicd again. Panic attached.
Any help is appreciated.

Flavio Curti
--
http://no-way.org/~fcu/
blk_queue_end_tag: attempt to clear non-busy tag (1)
------------[ cut here ]------------
kernel BUG at block/ll_rw_blk.c:2758!
invalid opcode: 0000 [#1]
SMP

Modules linked in:
i2c_i801
i2c_core

CPU: 0
EIP: 0060:[<c02a3164>] Not tainted VLI
EFLAGS: 00010002 (2.6.22.1-dorade #1)
EIP is at __blk_put_request+0x74/0x80
eax: 00000000 ebx: dae3e578 ecx: c02ac600 edx: 00000000
esi: 00030784 edi: f7f28b24 ebp: f7f28b24 esp: c0621e50
ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068
Process swapper (pid: 0, ti=c0620000 task=c05d8340 task.ti=c0620000)

Stack:
dae3e578
e2b5aac0
00000001
scsi_end_request+0x94/0xe0
[<c03743c6>]
scsi_io_completion+0x86/0x3e0
[<c012b08a>]
del_timer+0x5a/0x70
[<c038fc7b>]
sd_rw_intr+0x2b/0x200
[<c038bf8e>]
stex_mu_intr+0x12e/0x540
[<c036fe85>]
scsi_finish_command+0x45/0x60
[<c02a4c88>]
blk_done_softirq+0x58/0x70
[<c0126e92>]
__do_softirq+0x82/0x100
[<c0126f47>]
do_softirq+0x37/0x40
[<c0127185>]
irq_exit+0x75/0x80
[<c0106410>]
do_IRQ+0x40/0x80
[<c0139796>]
getnstimeofday+0x36/0xd0
[<c0104503>]
common_interrupt+0x23/0x28
[<c0101d26>]
mwait_idle_with_hints+0x46/0x60
[<c0101e85>]
cpu_idle+0x65/0x90
[<c0628d1f>]
start_kernel+0x2ef/0x370
[<c06284e0>]
unknown_bootoption+0x0/0x250
=======================
Code:
8b
57
24
89
d8
83
e6
01
e8
ca
1b
eb
ff
89
f2
89
f8
89
e9
5b
5e
5f
5d
e9
3b
ff
last message repeated 2 times
89
da
89