[linux-dvb] SMP (ht) + PREEMPT crash dump

[Vincenzo Di Massa <hawk78_it@yahoo.it>]

I managed to get the dump into syslog!
Using 2.6.6.

I hope this can be useful to debug it.
-- 
Vincenzo Di Massa <hawk78_it@yahoo.it>
May 11 21:34:56 fisso2-vi kernel: drivers/media/dvb/b2c2/skystar2.c: FlexCopIIB(rev.195) chip found
May 11 21:34:56 fisso2-vi kernel: drivers/media/dvb/b2c2/skystar2.c: the chip has 38 hardware filters
May 11 21:34:56 fisso2-vi kernel: DVB: registering new adapter (Technisat SkyStar2 driver).
May 11 21:34:56 fisso2-vi kernel: DVB: registering frontend 0:0 (Zarlink MT312)...
May 11 21:34:56 fisso2-vi modprobe: FATAL: Module dvb0_0 not found.
May 11 21:34:57 fisso2-vi /etc/hotplug/net.agent: NET add event not supported
May 11 21:34:58 fisso2-vi kernel: dvb_net_feed_start: rx_mode 0
May 11 21:34:58 fisso2-vi kernel: dvb_net_feed_start: alloc secfeed
May 11 21:34:58 fisso2-vi kernel: dvb_net_feed_start: set secfilter
May 11 21:34:58 fisso2-vi kernel: dvb0_0: filter mac=00 00 00 00 00 00
May 11 21:34:58 fisso2-vi kernel: dvb0_0: filter mask=ff ff ff ff ff ff
May 11 21:34:58 fisso2-vi kernel: dvb_net_feed_start: start filtering
May 11 21:34:58 fisso2-vi kernel: dvb_net_feed_stop
May 11 21:34:58 fisso2-vi kernel: dvb_net_feed_stop: stop secfeed
May 11 21:34:58 fisso2-vi kernel: dvb_net_feed_stop
May 11 21:34:58 fisso2-vi kernel: dvb_net_feed_stop: stop secfeed
May 11 21:34:58 fisso2-vi kernel: dvb_net_feed_stop: release secfilter
May 11 21:34:58 fisso2-vi kernel: dvb_net_feed_stop: release secfilter
May 11 21:34:58 fisso2-vi kernel: dvb0_0: set_mc_list, 1 entries
May 11 21:34:58 fisso2-vi kernel: dvb_net_feed_start: rx_mode 1
May 11 21:34:58 fisso2-vi kernel: dvb_net_feed_start: alloc secfeed
May 11 21:34:58 fisso2-vi kernel: dvb_net_feed_start: set secfilter
May 11 21:34:58 fisso2-vi kernel: Unable to handle kernel NULL pointer dereference at virtual address 0000006c
May 11 21:34:58 fisso2-vi kernel:  printing eip:
May 11 21:34:58 fisso2-vi kernel: f8d532c1
May 11 21:34:58 fisso2-vi kernel: *pde = 00000000
May 11 21:34:58 fisso2-vi kernel: Oops: 0000 [#1]
May 11 21:34:58 fisso2-vi kernel: PREEMPT SMP
May 11 21:34:58 fisso2-vi kernel: CPU:    1
May 11 21:34:58 fisso2-vi kernel: EIP:    0060:[pg0+948777665/1069015040]    Not tainted
May 11 21:34:58 fisso2-vi kernel: EIP:    0060:[<f8d532c1>]    Not tainted
May 11 21:34:58 fisso2-vi kernel: EFLAGS: 00010246   (2.6.6)
May 11 21:34:58 fisso2-vi kernel: EIP is at dmx_section_feed_release_filter+0x41/0x11d [dvb_core]
May 11 21:34:58 fisso2-vi kernel: eax: 00000000   ebx: f4c31214   ecx: f4c31214   edx: fffffe00
May 11 21:34:58 fisso2-vi kernel: esi: f8db9000   edi: 00000000   ebp: f4c31030   esp: f7f95f00
May 11 21:34:58 fisso2-vi kernel: ds: 007b   es: 007b   ss: 0068
May 11 21:34:58 fisso2-vi kernel: Process events/1 (pid: 7, threadinfo=f7f94000 task=f7f9ebd0)
May 11 21:34:58 fisso2-vi kernel: Stack: f8d5bfb0 f8d86000 f7aef220 f7aef30c 00000283 f8d5a680 f8db9000 00000000
May 11 21:34:58 fisso2-vi kernel:        f7f95f44 f7aef000 f7aef220 f8d5a73c f7aef000 00000282 f7f95f94 f7aef308
May 11 21:34:58 fisso2-vi kernel:        f7f94000 f7aef30c c0133333 f7aef000 f7f95f74 00000000 f7fd94a0 f7aef000
May 11 21:34:58 fisso2-vi kernel: Call Trace:
May 11 21:34:58 fisso2-vi kernel:  [pg0+948807296/1069015040] dvb_net_feed_stop+0x153/0x1a9 [dvb_core]
May 11 21:34:58 fisso2-vi kernel:  [<f8d5a680>] dvb_net_feed_stop+0x153/0x1a9 [dvb_core]
May 11 21:34:58 fisso2-vi kernel:  [pg0+948807484/1069015040] wq_set_multicast_list+0x1e/0x113 [dvb_core]
May 11 21:34:58 fisso2-vi kernel:  [<f8d5a73c>] wq_set_multicast_list+0x1e/0x113 [dvb_core]
May 11 21:34:58 fisso2-vi kernel:  [worker_thread+490/681] worker_thread+0x1ea/0x2a9
May 11 21:34:58 fisso2-vi kernel:  [<c0133333>] worker_thread+0x1ea/0x2a9
May 11 21:34:58 fisso2-vi kernel:  [pg0+948807454/1069015040] wq_set_multicast_list+0x0/0x113 [dvb_core]
May 11 21:34:58 fisso2-vi kernel:  [<f8d5a71e>] wq_set_multicast_list+0x0/0x113 [dvb_core]
May 11 21:34:58 fisso2-vi kernel:  [default_wake_function+0/18] default_wake_function+0x0/0x12
May 11 21:34:58 fisso2-vi kernel:  [<c011f095>] default_wake_function+0x0/0x12
May 11 21:34:58 fisso2-vi kernel:  [default_wake_function+0/18] default_wake_function+0x0/0x12
May 11 21:34:58 fisso2-vi kernel:  [<c011f095>] default_wake_function+0x0/0x12
May 11 21:34:58 fisso2-vi kernel:  [worker_thread+0/681] worker_thread+0x0/0x2a9
May 11 21:34:58 fisso2-vi kernel:  [<c0133149>] worker_thread+0x0/0x2a9
May 11 21:34:58 fisso2-vi kernel:  [kthread+186/240] kthread+0xba/0xf0
May 11 21:34:58 fisso2-vi kernel:  [<c013703c>] kthread+0xba/0xf0
May 11 21:34:58 fisso2-vi kernel:  [kthread+0/240] kthread+0x0/0xf0
May 11 21:34:58 fisso2-vi kernel:  [<c0136f82>] kthread+0x0/0xf0
May 11 21:34:58 fisso2-vi kernel:  [kernel_thread_helper+5/11] kernel_thread_helper+0x5/0xb
May 11 21:34:58 fisso2-vi kernel:  [<c0104275>] kernel_thread_helper+0x5/0xb