> [1.] Oops and panic on disconnecting Edirol UA-1000 usb2 audio interface
>
> [2.] I have an Edirol UA-1000 USB 2.0 Audio Capture unit. When
> disconnected (or powered down), it repeatably causes a kernel panic, in
> (I think) linux/drivers/usb/host/ehci-q.c, start_unlink_async(), around
> line 1015:
> while (prev->qh_next.qh != qh)
> prev = prev->qh_next.qh;
> where somehow prev->qh_next.qh==NULL.
What kind of URBs are being queued? With CONFIG_USB_DEBUG, please show
what /sys/class/usb_host/usbN/{async,periodic} with the driver active,
before the unplug. (Use the right "usbN" ...)
I won't have time to look at this till probably next week.
- Dave
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