(switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). There's a soflockup-detector trace in the bugzilla report. On Mon, 8 Feb 2010 01:33:37 GMT bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=15253 > > Summary: USB audio headset crashes entire USB subsystem > Product: Drivers > Version: 2.5 > Kernel Version: 2.6.32.7 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: high > Priority: P1 > Component: USB > AssignedTo: greg@xxxxxxxxx > ReportedBy: rwdalpe@xxxxxxxxx > Regression: No > > > Created an attachment (id=24941) > --> (http://bugzilla.kernel.org/attachment.cgi?id=24941) > lspci output from the buggy machine > > After plugging in Logitech ClearChat Comfort USB headset and listening > to/recording sound for 2-5 minutes, all audio input/output from the device > stops and any programs that try to play sound lock up. This includes volume > managers, flash applications, media players, and so on. Locked applications can > usually be unfrozen by removing the device. However, after the device has been > removed, some time later (exactly how long varies) the USB mouse will stop > responding. Keyboard functionality is uninhibited. After this point, any USB > devices that are plugged into the machine, including ones that are removed > after the crash and plugged back in are not detected and receive no power from > the computer. A reboot is the only way I have found to restore control. > > Oddly enough, when running ALSA if the USB headset is plugged in while no USB > mouse is inserted, the amount of time before a crash is lengthened > significantly. The brand of mouse had no effect on how long or if the crash > happens. The presence of a mouse does not seem to affect the time until a crash > when running OSS4. > > Additionally, this bug cannot be reproduced on my laptop. > > Steps to reproduce: > > Insert the USB headset either before or after boot. > Play or record sound. > Once audio applications stop responding, remove the USB headset. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
