Date: Fri, 10 Jul 2009 15:41:15 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org, freebsd-current@freebsd.org Cc: Alexander Best <alexbestms@math.uni-muenster.de> Subject: Re: detaching usb device without unmounting it Message-ID: <200907101541.16698.hselasky@c2i.net> In-Reply-To: <permail-20090710090548f7e55a9d00003ae0-a_best01@message-id.uni-muenster.de> References: <permail-20090710090548f7e55a9d00003ae0-a_best01@message-id.uni-muenster.de>
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This is not an USB issue. Try -current. --HPS On Friday 10 July 2009 11:05:48 Alexander Best wrote: > since the usb2 stack allows one to detach a mounted usb device without the > kernel panic'ing i'd like to know which steps are necessary to be taken > after detaching a device? because i tried the following: > > 1. attach device > 2. mount device > 3. detach device > > when i tried to unmount the device i got the follwing error message: > > g_vfs_done():label/usb[WRITE(offset=19456, length=4096)]error = 6 > > and the console got locked up (ctr+c didn't work). so i tried to reboot > using ctrl+alt+del. however after the message: "All buffers synced" there > was no reboot. so i had to do a hard reset. however after the reset freebsd > fsck'ed my harddrives. so they didn't unmount properly. > > should i have used `umount -f`? or just plug the device back in again? or > isn't it possible to unmount a device that has already been detached? > > i'm running r195476 btw. > > alex > _______________________________________________ > freebsd-usb@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-usb > To unsubscribe, send any mail to "freebsd-usb-unsubscribe@freebsd.org"
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