[linux-dvb] IRQ issues with Nova-S CI when using CI Module

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I've successfully got my Nexus Card and CI module working with vlc for
streaming encrypted channels. I've now got the budget version, the
Nova-S CI and attempting to get that to work.

Sometimes when I start vlc it gets to a certain point and prints the
following to /var/log/messages

Jul 13 15:43:07 bloodhound kernel: Uhhuh. NMI received. Dazed and
confused, but trying to continue
Jul 13 15:43:07 bloodhound kernel: You probably have a hardware
problem with your RAM chips
Jul 13 15:43:07 bloodhound kernel: irq 11: nobody cared!
Jul 13 15:43:07 bloodhound kernel:  [<c014efc4>] __report_bad_irq+0x24/0x7d
Jul 13 15:43:07 bloodhound kernel:  [<c014f0a6>] note_interrupt+0x6b/0x89
Jul 13 15:43:07 bloodhound kernel:  [<c014e5c1>] __do_IRQ+0x180/0x2ff
Jul 13 15:43:07 bloodhound kernel:  [<c011b6d2>] scheduler_tick+0x1a/0x4d4
Jul 13 15:43:07 bloodhound kernel:  [<c0105928>] do_IRQ+0x69/0x85
Jul 13 15:43:07 bloodhound kernel:  [<c0103aea>] common_interrupt+0x1a/0x20
Jul 13 15:43:07 bloodhound kernel:  [<c014e407>] handle_IRQ_event+0x28/0x62
Jul 13 15:43:07 bloodhound kernel:  [<c014e4ff>] __do_IRQ+0xbe/0x2ff
Jul 13 15:43:07 bloodhound kernel:  [<c010590b>] do_IRQ+0x4c/0x85
Jul 13 15:43:07 bloodhound kernel:  =======================
Jul 13 15:43:07 bloodhound kernel:  [<c012c6e0>] process_timeout+0x0/0x5
Jul 13 15:43:07 bloodhound kernel:  [<c0103aea>] common_interrupt+0x1a/0x20
Jul 13 15:43:08 bloodhound kernel:  [<c012797c>] __do_softirq+0x2c/0x8a
Jul 13 15:43:08 bloodhound kernel:  [<c0105a17>] do_softirq+0x39/0x40
Jul 13 15:43:08 bloodhound kernel:  =======================
Jul 13 15:43:08 bloodhound kernel:  [<c0105912>] do_IRQ+0x53/0x85
Jul 13 15:43:08 bloodhound kernel:  [<c0103aea>] common_interrupt+0x1a/0x20
Jul 13 15:43:08 bloodhound kernel:  [<c0112592>] delay_pmtmr+0xb/0x13
Jul 13 15:43:08 bloodhound kernel:  [<c0208779>] __delay+0x9/0xa
Jul 13 15:43:08 bloodhound kernel:  [<e08fc1cc>]
start_ts_capture+0x14a/0x280 [budget_core]
Jul 13 15:43:08 bloodhound kernel:  [<e08fd475>]
ttpci_budget_set_video_port+0xfd/0x1a8 [budget_core]
Jul 13 15:43:08 bloodhound kernel:  [<c011bbcd>] __wake_up_common+0x35/0x55
Jul 13 15:43:08 bloodhound kernel:  [<e091a4c8>]
ciintf_slot_shutdown+0x2d/0x31 [budget_ci]
Jul 13 15:43:08 bloodhound kernel:  [<e09a6d9b>]
dvb_ca_en50221_slot_shutdown+0x5d/0xf5 [dvb_core]
Jul 13 15:43:08 bloodhound kernel:  [<e09a776a>]
dvb_ca_en50221_io_do_ioctl+0x116/0x151 [dvb_core]
Jul 13 15:43:08 bloodhound kernel:  [<e099f5d8>]
dvb_usercopy+0x93/0x102 [dvb_core]
Jul 13 15:43:08 bloodhound kernel:  [<e099f0b3>]
dvb_device_open+0x54/0xe8 [dvb_core]
Jul 13 15:43:08 bloodhound kernel:  [<c0182c51>] chrdev_open+0x14c/0x36b
Jul 13 15:43:08 bloodhound kernel:  [<c01e9ec4>] file_alloc_security+0x29/0x7d
Jul 13 15:43:08 bloodhound kernel:  [<c0176019>] dentry_open+0xaf/0x1a5
Jul 13 15:43:08 bloodhound kernel:  [<e09a77a5>]
dvb_ca_en50221_io_ioctl+0x0/0x1d [dvb_core]
Jul 13 15:43:08 bloodhound kernel:  [<e09a77bd>]
dvb_ca_en50221_io_ioctl+0x18/0x1d [dvb_core]
Jul 13 15:43:08 bloodhound kernel:  [<e09a7654>]
dvb_ca_en50221_io_do_ioctl+0x0/0x151 [dvb_core]
Jul 13 15:43:08 bloodhound kernel:  [<c018de89>] do_ioctl+0x39/0x52
Jul 13 15:43:08 bloodhound kernel:  [<c018df97>] vfs_ioctl+0x55/0x193
Jul 13 15:43:08 bloodhound kernel:  [<c018e134>] sys_ioctl+0x5f/0x6f
Jul 13 15:43:08 bloodhound kernel:  [<c010392d>] syscall_call+0x7/0xb
Jul 13 15:43:08 bloodhound kernel: handlers:
Jul 13 15:43:08 bloodhound kernel: [<e08c70af>]
(interrupt_hw+0x0/0x345 [saa7146])
Jul 13 15:43:08 bloodhound kernel: [<c02c4d70>] (usb_hcd_irq+0x0/0x57)
Jul 13 15:43:08 bloodhound kernel: [<c02c4d70>] (usb_hcd_irq+0x0/0x57)
Jul 13 15:43:08 bloodhound kernel: Disabling IRQ #11
Jul 13 15:43:12 bloodhound kernel: dvb_ca adaptor 0: PC card did not respond :(

and then it can't get any further... othertimes when I start it I get
the following...

Jul 13 16:45:41 bloodhound kernel: dvb_ca adapter 0: DVB CAM detected
and initialised successfully
Jul 13 16:45:42 bloodhound kernel: Debug: sleeping function called
from invalid context at include/linux/rwsem.h:43
Jul 13 16:45:42 bloodhound kernel: in_atomic():1, irqs_disabled():0
Jul 13 16:45:42 bloodhound kernel:  [<c011d3a4>] __might_sleep+0x9c/0xaa
Jul 13 16:45:42 bloodhound kernel:  [<e09a6972>]
dvb_ca_en50221_read_data+0x1bf/0x3c0 [dvb_core]
Jul 13 16:45:42 bloodhound kernel:  [<c011bbcd>] __wake_up_common+0x35/0x55
Jul 13 16:45:42 bloodhound kernel:  [<c02f1830>] sock_def_readable+0x59/0x5b
Jul 13 16:45:42 bloodhound kernel:  [<c033933c>] udp_queue_rcv_skb+0x224/0x37f
Jul 13 16:45:42 bloodhound kernel:  [<c0326625>] tcp_ack+0xc7/0x597
Jul 13 16:45:42 bloodhound kernel:  [<c03396c0>]
udp_v4_mcast_deliver+0x229/0x2bb
Jul 13 16:45:42 bloodhound kernel:  [<c03398a2>] udp_rcv+0xa8/0x3a4
Jul 13 16:45:42 bloodhound kernel:  [<c0103aea>] common_interrupt+0x1a/0x20
Jul 13 16:45:42 bloodhound kernel:  [<c0317187>] ip_local_deliver+0x93/0x240
Jul 13 16:45:42 bloodhound kernel:  [<c03177ca>] ip_rcv+0x2f5/0x4c2
Jul 13 16:45:42 bloodhound kernel:  [<e093845c>]
tg3_alloc_rx_skb+0x6e/0x127 [tg3]
Jul 13 16:45:42 bloodhound kernel:  [<c011aadf>] recalc_task_prio+0x8a/0x150
Jul 13 16:45:42 bloodhound kernel:  [<c011abfb>] activate_task+0x56/0x65
Jul 13 16:45:42 bloodhound kernel:  [<e09356ae>]
tg3_restart_ints+0x16/0x76 [tg3]
Jul 13 16:45:42 bloodhound kernel:  [<c012c6e0>] process_timeout+0x0/0x5
Jul 13 16:45:42 bloodhound kernel:  [<e09a6f70>]
dvb_ca_en50221_frda_irq+0x7f/0xb6 [dvb_core]
Jul 13 16:45:42 bloodhound kernel:  [<c0127bcc>] tasklet_action+0x3a/0x58
Jul 13 16:45:42 bloodhound kernel:  [<c012798e>] __do_softirq+0x3e/0x8a
Jul 13 16:45:42 bloodhound kernel:  [<c0105a17>] do_softirq+0x39/0x40

This is then continuously repeated (or messages very similar) but the
program actually manages to start showing the encrypted channels. It
just prints this to /var/log/messages at the same time.

I've tried removing the CAM and Smart Card and do no get this problem
(though obviously it doesn't show encrypted channels),

I've also tried different CAMs and get the same result. So It seems to
be a problem with the CI I had this working with the Nexus-S card
which had a 3.5" CI but this card one has the PCI CI.

This is using the drivers that come in 2.6.12 I found another issue
similar to mine which had no replies here...

http://thread.gmane.org/gmane.linux.drivers.dvb/15273

Does anyone have any ideas what the cause of this is and how to stop it?

Thanks a lot for your help!

Mike



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