removing external usb hdd without unmounting causes reboot?
baldur at foo.is
Wed Jul 18 15:21:27 UTC 2007
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.
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)
> Josh Paetzel
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