Date: Thu, 25 Nov 2010 09:40:19 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org Subject: Re: External usb HDD disconnects, system gets messed up Message-ID: <201011250940.19677.hselasky@c2i.net> In-Reply-To: <20101125025526.GA2772@mail> References: <20101125025526.GA2772@mail>
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On Thursday 25 November 2010 03:55:26 Nezmer wrote: > Hi, > > FreeBSD 8.1-STABLE r215402M GENERIC amd64 > > I'm having a weird issue. I have a 300GB external usb HDD with one ext2 > partition. I use ZFS for my internal HDD. > > Almost daily, The usb HDD disconnects(according to dmesg) and the system > gets messed up. Running processes keep responding but they would not > exit. And no new processes would start running. I eventually would have > to hard reset and run fsck.ext2 on the next run. > > Any idea what's going on? > Do you need any specific information? Hi, When this hang happens you can try to turn on umass debugging: sysctl hw.usb.umass.debug=-1 You need this option in your kernel config or when building the umass module to enable the sysctl above: options USB_DEBUG --HPS
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