Date: Mon, 08 Mar 2010 15:09:24 -1000 From: Al Plant <noc@hdk5.net> To: Bruce Cran <bruce@cran.org.uk> Cc: David Jackson <djackson452@gmail.com>, freebsd-questions@freebsd.org Subject: Re: Severe instabilities and system lockups Message-ID: <4B959FC4.7040804@hdk5.net> In-Reply-To: <201003081824.34492.bruce@cran.org.uk> References: <4B952B38.70308@gmail.com> <201003081824.34492.bruce@cran.org.uk>
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Bruce Cran wrote: > On Monday 08 March 2010 16:52:08 David Jackson wrote: > >> Are there any diagnostic tools uch as getting a log of tranmissions on >> USB and probe it, ,or finmd out what code it is lockilng up on ?Has >> anyone else seen these problems with USB disks? > > You'll probably get a better response by asking on the freebsd-usb mailing > list. > > The following debug nodes for USB in 8.0 are present: > >> sysctl hw.usb | grep debug > hw.usb.ehci.debug: 0 > hw.usb.ohci.debug: 0 > hw.usb.uhci.debug: 0 > hw.usb.ctrl.debug: 0 > hw.usb.umass.debug: 0 > hw.usb.debug: 0 > hw.usb.dev.debug: 0 > hw.usb.ugen.debug: 0 > hw.usb.uhub.debug: 0 > hw.usb.proc.debug: 0 > hw.usb.ulpt.debug: 0 > hw.usb.ucom.debug: 0 > hw.usb.uhid.debug: 0 > hw.usb.ukbd.debug: 0 > hw.usb.ums.debug: 0 > > Your first step should probably be to get a verbose boot log (boot -v) - one > of the USB developers will likely know better than I do which sysctl debug > nodes to set to get more details. > Aloha, If the node is disappearing for the USB device and it is connected by a cable to the box try replace the cable. We had one here that would not stay listed on the hardware and it was the cable connector gone bad. I have never had a USB device lock up the box though. ~Al Plant - Honolulu, Hawaii - Phone: 808-284-2740 + http://hawaiidakine.com + http://freebsdinfo.org + + http://aloha50.net - Supporting - FreeBSD 7.2 - 8.0 - 9* + < email: noc@hdk5.net > "All that's really worth doing is what we do for others."- Lewis Carrol
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