On Wed, Aug 01, 2007 at 09:51:06PM +0200, Jan Engelhardt wrote:
> On Aug 1 2007 22:07, Rokas Masiulis wrote:
> >sometimes user space program hangs forever.
> >In old days i remeber there was unkillable dosemu.
> >May be there are good how to. Some one can point to it?
> >
> >This is problem/solution isn't related to current kernel. This
> >is question: what to do in this sitaution.
>
> echo t >/proc/sysrq-trigger
# cat /proc/kmsg > log &
[1] 28058
# echo t >/proc/sysrq-trigger
# sleep 3
# fg
cat /proc/kmsg > log
^C
it seems that i can't get full log. Not all proceses are listed on it.
But some of "bad proceses i have".
(full log: http://89.190.108.145/~rokas/tasks.txt)
it seems that some are stoped on cdrom_transfer_packet_command, some on __mutex_lock_slowpath.
I'm confused..
hald-addon-st D 000004E2 0 5826 1 17981 12866 (NOTLB)
f55ebc34 c02c9717 c02c94b8 000004e2 c0529780 00000000 00200202 c0529a64
00000000 c0529780 c02c9656 00000080 c2a17b20 00000000 b25fc600 003d0c2e
c042e340 f54d1a70 f54d1b78 f55ea000 f55ebca8 f55ebc54 f55ebc8c c03bdb8a
Call Trace:
<c02c9717> cdrom_transfer_packet_command+0x80/0xf9 <c02c94b8> cdrom_timer_expiry+0x0/0x5d
<c02c9656> cdrom_start_packet_command+0x141/0x182 <c03bdb8a> wait_for_completion+0x85/0xca
...
<c016051e> do_sys_open+0x4a/0xca <c01605ba> sys_open+0x1c/0x20
<c0102b67> sysenter_past_esp+0x54/0x75
eject D 00000101 0 12662 1 12793 17981 (NOTLB)
e5c17e9c c0156dfd 00000000 00000101 00000001 00000000 f308eac4 00000000
00000003 00000802 f56d5e40 00000003 c2a17b20 00000000 0616c400 003d2850
c042e340 eb65e030 eb65e138 f5ad970c f5ad9710 eb65e030 f5ad9718 c03be586
Call Trace:
<c0156dfd> free_pages_and_swap_cache+0x51/0x75 <c03be586> __mutex_lock_slowpath+0x46/0x7f
<c03be6e0> .text.lock.mutex+0x5/0x14 <c0169041> do_open+0x55/0x382
...
<c016051e> do_sys_open+0x4a/0xca <c01605ba> sys_open+0x1c/0x20
<c0102b67> sysenter_past_esp+0x54/0x75
mc D 000004E2 0 12793 1 12795 12662 (NOTLB)
d483dd54 c02c9717 c02c94b8 000004e2 c0529780 00000002 00200202 c0529a64
00000008 c0529780 c02c9656 00000080 c2a17b20 0006c81c d6cab200 003d289b
c042e340 ca35f550 ca35f658 d483c000 d483ddc8 d483dd74 d483ddac c03bdb8a
Call Trace:
<c02c9717> cdrom_transfer_packet_command+0x80/0xf9 <c02c94b8> cdrom_timer_expiry+0x0/0x5d
<c02c9656> cdrom_start_packet_command+0x141/0x182 <c03bdb8a> wait_for_completion+0x85/0xca
...
<c0160e4a> vfs_read+0x94/0x16c <c01611ef> sys_read+0x41/0x6a
<c0102b67> sysenter_past_esp+0x54/0x75
eject D 00000101 0 12866 1 5826 11794 (NOTLB)
dd45de9c 00000000 00000000 00000101 00000001 00000000 00000000 00000000
00000003 00000802 f7d02b40 00000003 c2a17b20 00000000 61409300 003d28ba
c042e340 c876e030 c876e138 f5ad970c f5ad9710 c876e030 f5ad9718 c03be586
Call Trace:
<c03be586> __mutex_lock_slowpath+0x46/0x7f <c03be6e0> .text.lock.mutex+0x5/0x14
<c0169041> do_open+0x55/0x382 <c0169405> blkdev_open+0x0/0x5a
...
<c016051e> do_sys_open+0x4a/0xca <c01605ba> sys_open+0x1c/0x20
<c0102bcf> syscall_call+0x7/0xb
hald-probe-st D 00000101 0 17981 1 12662 5826 (NOTLB)
dfa3be9c f5761144 00000000 00000101 00000001 00000000 e5ab03f4 00000000
00000004 00008800 00000000 dd243550 c2a1fb20 00000000 22986700 003d64c8
dd243550 e4379550 e4379658 f5ad970c f5ad9710 e4379550 f5ad9718 c03be586
Call Trace:
<c03be586> __mutex_lock_slowpath+0x46/0x7f <c03be6e0> .text.lock.mutex+0x5/0x14
<c0169041> do_open+0x55/0x382 <c0169405> blkdev_open+0x0/0x5a
...
<c012926e> do_sigaction+0xf1/0x192 <c016051e> do_sys_open+0x4a/0xca
<c01605ba> sys_open+0x1c/0x20 <c0102b67> sysenter_past_esp+0x54/0x75
roma1390
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