https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212021
--- Comment #8 from Nathan Whitehorn ---
(In reply to Hans Petter Selasky from comment #7)
That doesn't seem to help. The ppc64 QEMU behavior seems identical.
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212021
Hans Petter Selasky changed:
What|Removed |Added
Summary|xhci(4) broken on |xhci(4) broken with
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212021
--- Comment #7 from Hans Petter Selasky ---
Created attachment 173916
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=173916&action=edit
Fix XHCI compatibility with QEMU
Hi,
Can you test the attached patch. Looks like a XHCI com
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212021
--- Comment #6 from Nathan Whitehorn ---
(In reply to Hans Petter Selasky from comment #5)
The QEMU code that is printing the error is this in xhci_configure_slot():
if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) {
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212021
--- Comment #5 from Hans Petter Selasky ---
The qemu prints the values x=0 and y=3 in hex. And the check is (x != 0 || y !=
3) which I find very odd.
I'll check if we are writing a 32-bit field with 64-bit ops.
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212021
--- Comment #4 from Nathan Whitehorn ---
(In reply to Hans Petter Selasky from comment #3)
That is probably true, but I think that can't be the problem in this case, for
two reasons:
1. The host CPU for my QEMU is little-endian, so that ch
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212021
--- Comment #3 from Hans Petter Selasky ---
Got it. OK, Look at this error:
xhci: output context at 831a000
xhci: invalid input context control 0003
13236@1471749323.871077:usb_xhci_queue_event v 0, idx 8, ER_COMMAND_COMPLETE,
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212021
--- Comment #2 from Nathan Whitehorn ---
(In reply to Hans Petter Selasky from comment #1)
You misunderstand, I think. This is a bog-standard PCI-E XHCI card with
little-endian registers. The driver just doesn't work when the CPU is
big-en
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212021
Hans Petter Selasky changed:
What|Removed |Added
CC||hsela...@freebsd.org
--- Com
