In the last few days I've installed a old AVerTV DVB-T Volar USB stick into my mythtv backend. The system is running debian squeeze with the 3.2 debian backport kernel. The motherboard in the sytem uses an AMD 760G/SB710 chipset. The USB stick is plugged into a mains powered (usb2) hub (NEC chipset). EIT active scan is enabled in MythTv (0.24) & the tuner/signal timeouts are set to 1000ms/3000ms in mythbackend Since installing the stick I've started getting I2C read from the mt2060, shortly afterwards I get an oops (see below). I've googled a bit and I've come across similar reports from some years ago in regards to Hauppage Nova-T sticks. Whether they are the same or not I'm unsure, but the feedback to these issues appears to have been that a fix was committed (presumably long before kernel 3.2) Any suggestions here? A bit of background, I've just picked up this dib7000 stick after a couple of years of getting I2C errors from a pair of AF9015 sticks. I've finally gotten sick of the issues and am trying to get a more stable system. The powered hub is connected to the system as it seemed that the AF9015 sticks seemed more stable when plugged into this hub, rather than the motherboard root hubs. Also installed in the system are 2 atheros ar9280 cards (pci-e), an RTL8139 based adsl router(pci) and a Hauppauge WinTV-HVR-4000(pci). I've never had any problems with any of these pci/pci-e cards, only the dvb-t usb sticks. FYI, I'm suspicious that the USB on the amd 760/710 usb is buggy (suspicions arise from some googling I did around this some years ago). I'm considering changing the motherboard for one based on an AMD 970/SB950 chipset. Is this likely to be wise or just throwing more money away? Sep 5 20:13:47 beta kernel: [118265.068117] mt2060 I2C write failed (len=2) Sep 5 20:13:52 beta kernel: [118270.080113] mt2060 I2C write failed (len=6) Sep 5 20:13:57 beta kernel: [118275.092086] mt2060 I2C read failed Sep 5 20:14:02 beta kernel: [118280.112092] mt2060 I2C read failed Sep 5 20:14:07 beta kernel: [118285.132114] mt2060 I2C read failed Sep 5 20:14:12 beta kernel: [118290.152113] mt2060 I2C read failed Sep 5 20:14:17 beta kernel: [118295.172076] mt2060 I2C read failed Sep 5 20:14:22 beta kernel: [118300.192128] mt2060 I2C read failed Sep 5 20:14:27 beta kernel: [118305.212088] mt2060 I2C read failed Sep 5 20:14:32 beta kernel: [118310.232110] mt2060 I2C read failed Sep 5 20:14:38 beta kernel: [118315.252090] mt2060 I2C read failed Sep 5 20:14:43 beta kernel: [118320.272110] mt2060 I2C read failed Sep 5 20:16:43 beta kernel: [118440.932153] mythbackend D ffff880037790ea0 0 15174 1 0x00000000 Sep 5 20:16:43 beta kernel: [118440.932166] ffff880037790ea0 0000000000000086 ffff88007af66240 ffffffff8160d020 Sep 5 20:16:43 beta kernel: [118440.932178] 0000000000013740 ffff880037449fd8 ffff880037449fd8 0000000000013740 Sep 5 20:16:43 beta kernel: [118440.932188] ffff880037790ea0 0000000000013740 0000000000013740 ffff880037448010 Sep 5 20:16:43 beta kernel: [118440.932197] Call Trace: Sep 5 20:16:43 beta kernel: [118440.932212] [<ffffffff8110f5b6>] ? complete_walk+0x87/0xd4 Sep 5 20:16:43 beta kernel: [118440.932272] [<ffffffff81369130>] ? __mutex_lock_common+0x10c/0x172 Sep 5 20:16:43 beta kernel: [118440.932300] [<ffffffff8136925c>] ? mutex_lock+0x1a/0x2c Sep 5 20:16:43 beta kernel: [118440.932323] [<ffffffffa048b1fd>] ? dvb_usercopy+0xb6/0x14a [dvb_core] Sep 5 20:16:43 beta kernel: [118440.932346] [<ffffffffa0493306>] ? dvb_frontend_ioctl_legacy+0x981/0x981 [dvb_core] Sep 5 20:16:43 beta kernel: [118440.932357] [<ffffffff8110a77a>] ? cp_new_stat+0xe6/0xfa Sep 5 20:16:43 beta kernel: [118440.932377] [<ffffffffa048b2b8>] ? dvb_generic_ioctl+0x27/0x2c [dvb_core] Sep 5 20:16:43 beta kernel: [118440.932386] [<ffffffff8111499f>] ? do_vfs_ioctl+0x464/0x4b1 Sep 5 20:16:43 beta kernel: [118440.932395] [<ffffffff8110a906>] ? sys_newstat+0x24/0x2d Sep 5 20:16:43 beta kernel: [118440.932403] [<ffffffff81114a37>] ? sys_ioctl+0x4b/0x70 Sep 5 20:16:43 beta kernel: [118440.932411] [<ffffffff8136f2d2>] ? system_call_fastpath+0x16/0x1b ...reboot... Sep 6 00:24:01 beta kernel: [11206.193885] usb 1-5: USB disconnect, device number 2 Sep 6 00:24:01 beta kernel: [11206.193887] usb 1-5.7: USB disconnect, device number 3 Sep 6 00:24:01 beta kernel: [11206.194055] mt2060 I2C write failed Sep 6 00:27:16 beta kernel: [11400.928123] khubd D ffff880037b6d550 0 149 2 0x00000000 Sep 6 00:27:16 beta kernel: [11400.928135] ffff880037b6d550 0000000000000046 0000000000000001 ffff880079e39510 Sep 6 00:27:16 beta kernel: [11400.928147] 0000000000013740 ffff880037b6ffd8 ffff880037b6ffd8 0000000000013740 Sep 6 00:27:16 beta kernel: [11400.928156] ffff880037b6d550 0000000000013740 0000000000013740 ffff880037b6e010 Sep 6 00:27:16 beta kernel: [11400.928165] Call Trace: Sep 6 00:27:16 beta kernel: [11400.928244] [<ffffffffa03d289c>] ? dvb_unregister_frontend+0xab/0xea [dvb_core] Sep 6 00:27:16 beta kernel: [11400.928257] [<ffffffff81063c8d>] ? wake_up_bit+0x20/0x20 Sep 6 00:27:16 beta kernel: [11400.928278] [<ffffffffa03c2d74>] ? dvb_usb_adapter_frontend_exit+0x30/0x54 [dvb_usb] Sep 6 00:27:16 beta kernel: [11400.928297] [<ffffffffa03c234d>] ? dvb_usb_exit+0x32/0x98 [dvb_usb] Sep 6 00:27:16 beta kernel: [11400.928320] [<ffffffffa03c23f5>] ? dvb_usb_device_exit+0x42/0x56 [dvb_usb] Sep 6 00:27:16 beta kernel: [11400.928369] [<ffffffffa004359f>] ? usb_unbind_interface+0x5b/0x124 [usbcore] Sep 6 00:27:16 beta kernel: [11400.928395] [<ffffffff81268e7c>] ? __device_release_driver+0x7f/0xca Sep 6 00:27:16 beta kernel: [11400.928404] [<ffffffff81268f7b>] ? device_release_driver+0x1d/0x28 Sep 6 00:27:16 beta kernel: [11400.928413] [<ffffffff81268536>] ? bus_remove_device+0xee/0x103 Sep 6 00:27:16 beta kernel: [11400.928421] [<ffffffff81266704>] ? device_del+0x11a/0x182 Sep 6 00:27:16 beta kernel: [11400.928453] [<ffffffffa0040cf3>] ? usb_disable_device+0x6b/0x175 [usbcore] Sep 6 00:27:16 beta kernel: [11400.928483] [<ffffffffa003c25a>] ? usb_disconnect+0x7d/0x10b [usbcore] Sep 6 00:27:16 beta kernel: [11400.928513] [<ffffffffa003c248>] ? usb_disconnect+0x6b/0x10b [usbcore] Sep 6 00:27:16 beta kernel: [11400.928542] [<ffffffffa003cae7>] ? hub_thread+0x5d3/0xf81 [usbcore] Sep 6 00:27:16 beta kernel: [11400.928552] [<ffffffff81063c8d>] ? wake_up_bit+0x20/0x20 Sep 6 00:27:16 beta kernel: [11400.928581] [<ffffffffa003c514>] ? hub_disconnect+0xdf/0xdf [usbcore] Sep 6 00:27:16 beta kernel: [11400.928611] [<ffffffffa003c514>] ? hub_disconnect+0xdf/0xdf [usbcore] Sep 6 00:27:16 beta kernel: [11400.928619] [<ffffffff81063841>] ? kthread+0x7a/0x82 Sep 6 00:27:16 beta kernel: [11400.928628] [<ffffffff81371434>] ? kernel_thread_helper+0x4/0x10 Sep 6 00:27:16 beta kernel: [11400.928637] [<ffffffff810637c7>] ? kthread_worker_fn+0x147/0x147 Sep 6 00:27:16 beta kernel: [11400.928645] [<ffffffff81371430>] ? gs_change+0x13/0x13 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
