Clemens Ladisch wrote:
Please try the patch below, or download the new ua101.c from <http://www.alsa-project.org/~clemens/ua101.c>. This will log the sequence in which the first 50 USB packets are received, but it won't fix anything.
Attached the results of plugging in the UA-1000 and recording one second of 12 channels of audio from it, exactly as I made the 12-channel file I uploaded yesterday.
Since the kernel crash happens when resetting the capture interface, there is a possibilty that these bugs are related, probably due to some corruption of the EHCI data structures. Trying a 2.6.33 kernel might help, although I don't know of any change that could affect this.
I've updated to kernel 2.6.32.9 today and still get the same crash; I haven't tried a 2.6.33 kernel yet.
Cheers, Colin.
Feb 24 19:20:12 colinf-laptop kernel: [ 329.343105] usb 1-3: new high speed USB device using ehci_hcd and address 3 Feb 24 19:20:12 colinf-laptop kernel: [ 329.460070] usb 1-3: configuration #1 chosen from 1 choice Feb 24 19:20:12 colinf-laptop kernel: [ 329.484379] usbcore: registered new interface driver snd-ua101 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461351] submitted URB 0 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461376] submitted URB 1 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461395] submitted URB 2 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461414] submitted URB 3 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461433] submitted URB 4 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461452] submitted URB 5 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461477] submitted URB 6 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461496] submitted URB 7 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461514] submitted URB 8 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461532] submitted URB 9 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461550] submitted URB 10 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461569] submitted URB 11 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461589] submitted URB 12 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461608] submitted URB 13 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461627] submitted URB 14 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461646] submitted URB 15 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461664] submitted URB 16 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461683] submitted URB 17 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461703] submitted URB 18 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461722] submitted URB 19 Feb 24 19:20:21 colinf-laptop kernel: [ 338.461741] submitted URB 20 Feb 24 19:20:21 colinf-laptop kernel: [ 338.470986] completed URB 1 Feb 24 19:20:21 colinf-laptop kernel: [ 338.471021] completed URB 0 Feb 24 19:20:21 colinf-laptop kernel: [ 338.471216] completed URB 3 Feb 24 19:20:21 colinf-laptop kernel: [ 338.471239] completed URB 2 Feb 24 19:20:21 colinf-laptop kernel: [ 338.471441] completed URB 4 Feb 24 19:20:21 colinf-laptop kernel: [ 338.471468] completed URB 5 Feb 24 19:20:21 colinf-laptop kernel: [ 338.471588] completed URB 6 Feb 24 19:20:21 colinf-laptop kernel: [ 338.472398] completed URB 7 Feb 24 19:20:21 colinf-laptop kernel: [ 338.473194] completed URB 15 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 14 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 13 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 12 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 11 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 10 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 9 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 8 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 3 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 0 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 1 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 20 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 19 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 18 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 17 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 16 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 7 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 6 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 5 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 4 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 2 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 15 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 14 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 13 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 12 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 11 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 10 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 9 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 8 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 3 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 0 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 1 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 20 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 19 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 18 Feb 24 19:20:21 colinf-laptop kernel: [ 338.474176] completed URB 17 Feb 24 19:20:21 colinf-laptop kernel: [ 338.515434] completed URB 16 Feb 24 19:20:21 colinf-laptop kernel: [ 338.515895] completed URB 7 Feb 24 19:20:21 colinf-laptop kernel: [ 338.515899] completed URB 6 Feb 24 19:20:21 colinf-laptop kernel: [ 338.515902] completed URB 5 Feb 24 19:20:21 colinf-laptop kernel: [ 338.515906] completed URB 4 Feb 24 19:20:21 colinf-laptop kernel: [ 338.515909] completed URB 2 Feb 24 19:20:24 colinf-laptop wpa_supplicant[1491]: CTRL-EVENT-SCAN-RESULTS Feb 24 19:20:33 colinf-laptop kernel: [ 350.307213] usb 1-3: USB disconnect, address 3
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