Messages in this thread |  | | Date | Fri, 13 Oct 2000 15:00:50 +0200 | From | Erik Mouw <> | Subject | Re: [PATCH] usb audio. |
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On Fri, Oct 13, 2000 at 01:07:52AM +0100, David Woodhouse wrote: > On Thu, 12 Oct 2000, David Woodhouse wrote: > > > > * USB: system hang with USB audio driver {CRITICAL} (David > > > Woodhouse, Randy Dunlap, Narayan Desai) > > > > That fixes failure mode #1, in which the NMI watchdog gets triggered and > > all subsequent attempts to open /dev/audio just block. > > > > Unfortunately, it doesn't affect failure mode #2, in which the machine > > just dies completely. > > OK. This patch fixes failure mode #2 too - and lets it make noise without > locking up the machine. By including the extra lines which Randy Dunlap > sent me, it even makes the _right_ noise.
I had to patch it by hand into test10-pre2, but the noise is right and the machine doesn't lock. Only problem is that the sound has a lot of hickups and I get these messages in my syslog:
Oct 13 14:51:40 arthur kernel: usb.c: bandwidth alloc increased by 36 to 72 for 2 requesters Oct 13 14:51:40 arthur kernel: usb.c: bandwidth alloc reduced by 36 to 36 for 1 requesters Oct 13 14:51:40 arthur kernel: usb.c: bandwidth alloc increased by 36 to 72 for 2 requesters Oct 13 14:51:40 arthur kernel: usb.c: bandwidth alloc reduced by 36 to 36 for 1 requesters Oct 13 14:51:40 arthur kernel: usb.c: bandwidth alloc increased by 36 to 72 for 2 requesters [ad nauseam]
I didn't enable CONFIG_USB_BANDWIDTH, can this be related? Oh, and I'm using the usb-uhci driver.
> My only remaining problem is that I've just woken She Who Must Be Obeyed > by playing Terrorvision very loudly at 1 am.
Try "insmod earplugs.o" ;-)
Erik
-- J.A.K. (Erik) Mouw, Information and Communication Theory Group, Department of Electrical Engineering, Faculty of Information Technology and Systems, Delft University of Technology, PO BOX 5031, 2600 GA Delft, The Netherlands Phone: +31-15-2783635 Fax: +31-15-2781843 Email: J.A.K.Mouw@its.tudelft.nl WWW: http://www-ict.its.tudelft.nl/~erik/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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