Re: panics with 16port Promise Supertrack EX Controller

[Flavio Curti <lists.fcu@no-way.org>]

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