Re: unable to handle kernel NULL pointer dereference at usb_audio_probe

2016-03-25 Thread Greg KH
On Fri, Mar 25, 2016 at 12:27:21PM +, Ian T. Jacobsen wrote: > Ok looks like this fixed the dmesg bug report, and the hardware does > now show up in relevant software, but it does not actually work. > arecord reports this > > $ arecord -f cd -D plughw:2,0 -d 20 test.wav > arecord: main:722: au

Re: unable to handle kernel NULL pointer dereference at usb_audio_probe

2016-03-25 Thread Ian T. Jacobsen
Ok looks like this fixed the dmesg bug report, and the hardware does now show up in relevant software, but it does not actually work. arecord reports this $ arecord -f cd -D plughw:2,0 -d 20 test.wav arecord: main:722: audio open error: No such device Which does make sense if the extra NULL check

Re: unable to handle kernel NULL pointer dereference at usb_audio_probe

2016-03-24 Thread Greg KH
On Thu, Mar 24, 2016 at 01:34:32PM +, Ian T. Jacobsen wrote: > [ 21.434822] BUG: unable to handle kernel NULL pointer dereference at > 0014 [ 21.435516] IP: [] > usb_audio_probe+0x2ca/0x9a0 [snd_usb_audio] > > I have a PreSonus AudioBox iTwo causing this issue. > I updated from