On Sun, Apr 12, 2020 at 03:22:01PM +0200, Patrick Wildt wrote:
> Maybe, make that printf conditional on something weird, like the
> following.  Since, if it runs off the DMA buffers map, maybe actlen
> is broken.
> 
> if (xfer->length < xfer->actlen)
>       printf("ehci_idon: ....

Bingo. Kernel panic on first boot.

ehci_idone: len=4, actlen=-15996, cerr=3, status=0x8c00 type=0x0

-- 
Regards,
 Mikolaj

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