Date: Sun, 12 Feb 2006 05:14:01 +0000 (GMT) From: Nate Nielsen <nielsen-list@memberwebs.com> To: Ian Dowse <iedowse@iedowse.com> Cc: freebsd-hackers@freebsd.org, Scott Long <scottl@samsco.org> Subject: Re: Panic Kernel Dump to umass device? Message-ID: <20060212051359.EB6FEDCA995@mail.npubs.com> References: <200602111542.aa07502@nowhere.iedowse.com>
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Ian Dowse wrote: > > The USB stack supports polled operations, so it's actually not to > hard to make this work. Below is a patch I had in one of my local > trees that adds a CAM poll handler to the umass driver. I've just > tested this and it does seem to make kernel dumping work, but I > guess it might not be as reliable as dumping to other devices. Thanks, that helps. It works nicely with a uhci USB controller. However when the ohci driver is in use, we crash somewhere in usb_transfer_complete. I'll look into this further. Cheers, Nate
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