Date: Wed, 18 Jul 2007 14:59:54 +0000 From: Baldur Gislason <baldur@foo.is> To: freebsd-stable@freebsd.org Subject: Re: removing external usb hdd without unmounting causes reboot? Message-ID: <20070718145954.GX36311@gremlin.foo.is> In-Reply-To: <200707180839.50113.josh@tcbug.org> References: <200707181142.27240.idiotbg@gmail.com> <200707180839.50113.josh@tcbug.org>
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I vaguely remember being able to yank out USB drives in 5.x and just make usbd execute a forced umount without any problems. FAT32 drives mind you. On 6.2 I haven't even been able to unplug a USB drive even if I unmount it first, always results in a kernel panic. Baldur On Wed, Jul 18, 2007 at 08:39:46AM -0500, Josh Paetzel wrote: > On Wednesday 18 July 2007, Momchil Ivanov wrote: > > Hi, > > > > I am running FreeBSD 6.2-STABLE #11: Sat Jul 14 16:27:12 CEST 2007 > > and accidently unplugged the USB hub to which my external hdd > > together with a mouse were connected and this caused my machine to > > freeze for some seconds and then reboot. At that moment the hdd was > > mounted and I was playing music out of it. > > After that I tried to reproduce it :) so just plugged only the hdd > > directly, mounted it and started playing music files from it. When > > I unplugged the USB cable the same thing happened: short freeze, > > and then reboot. Is this expected behaviour? And is there some way > > to avoid the freeze and reboot? > > > > Thanks. > > Yes, it's expected behavior. The workaround is to not unplug mounted > devices. (There's nothing special about USB here, if you unplugged an > IDE drive you'd get the same behavior) > > -- > Thanks, > > Josh Paetzel
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