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Re: kern/50810: Kernel page fault trap in ugenclose()
The following reply was made to PR kern/50810; it has been noted by GNATS.
From: Nick Hudson <skrll%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost, gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost,
Andreas Gustafsson <gson%gson.org@localhost>
Cc:
Subject: Re: kern/50810: Kernel page fault trap in ugenclose()
Date: Sat, 20 Feb 2016 09:56:39 +0000
On 02/16/16 09:30, Andreas Gustafsson wrote:
> ugenioctl: cmd=c00c5567
> ugenclose: flag=1, mode=8192, unit=0, endpt=1
> ugenclose: endpt=1 dir=1 sce=0xffff8000037e34d8
> ugenclose: endpt=1 dir=1 no edesc
> ugenclose: flag=2, mode=8192, unit=0, endpt=2
> ugenclose: endpt=2 dir=0 sce=0xffff8000037e3660
> ugenclose: endpt=2 dir=0 no edesc
> ugenclose: flag=3, mode=8192, unit=0, endpt=0
> ugenclose: close control
The ioctl (USB_SET_ALTINTERFACE) is blatting edesc and making it fail
Not sure why it's doing this before closing the endpoints.
Maybe the ioctl should fail here?
Nick
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