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re: kern/52526: Panic on "ifconfig athn0 down"

The following reply was made to PR kern/52526; it has been noted by GNATS.

From: matthew green <>
To: Nick Hudson <>
Subject: re: kern/52526: Panic on "ifconfig athn0 down"
Date: Tue, 05 Sep 2017 18:15:00 +1000

 > >>    #7  0xc0392a46 in usb_transfer_complete (xfer=3Dxfer@entry=3D0xc28=
 67624) at /bracket/prod/current/src/sys/dev/usb/usbdi.c:941
 > =
 > Can you print the whole xfer from here, please?
 hmm, i wonder if this is:
 941         pipe->up_methods->upm_done(xfer);
 and the up_methods happens to be xhci_device_isoc_methods:
 232 static const struct usbd_pipe_methods xhci_device_isoc_methods =3D {
 233         .upm_cleartoggle =3D xhci_noop,
 234 };
 ie, does not set upm_done member.

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