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Bug#696321: panic when unplugging usb audio device



On Sat, 2013-02-02 at 14:07 +0100, Manfred Stock wrote:
> Package: linux-image-amd64
> Version: 3.2+46~bpo60+1
> Severity: normal
> 
> Hi,
> 
> I'm using the kernel from squeeze-backports and also get a kernel panic when I
> unplug my USB headset. When I plug it in, I get the following in dmesg:
>  ...
>  [43238.800664] usb 1-1.1: new full-speed USB device number 6 using ehci_hcd
>  [43238.899675] usb 1-1.1: New USB device found, idVendor=1395, idProduct=0002
>  [43238.899678] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>  [43238.899680] usb 1-1.1: Product: Sennheiser USB Headset
>  [43238.899682] usb 1-1.1: Manufacturer: Sennheiser Communications
>  [43238.902616] input: Sennheiser Communications Sennheiser USB Headset as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1:1.3/input/input13
>  [43238.902782] generic-usb 0003:1395:0002.0003: input,hidraw2: USB HID v1.00 Device [Sennheiser Communications Sennheiser USB Headset] on usb-0000:00:1a.0-1.1/input3
>  ...
> 
> The attached image file contains a photo of such a panic. I'm using the
> PulseAudio sound server, but was not playing any music when I unplugged my
> headset. The kded4 visible in the panic is likely a relic of running k3b, I'm
> usually not using KDE.
[...]

This appears to be a known bug, for which the fix should be in Linux
3.2.38 when that's released.

Ben.

-- 
Ben Hutchings
Everything should be made as simple as possible, but not simpler.
                                                           - Albert Einstein

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