[Bug 381578] New: Can't mount external USB hard disk after disconnect/ reconnect
https://bugzilla.novell.com/show_bug.cgi?id=381578 Summary: Can't mount external USB hard disk after disconnect/reconnect Product: openSUSE 11.0 Version: Beta 1 Platform: Other OS/Version: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: bwhiteley@novell.com QAContact: qa@suse.de Found By: --- I have a Western Digital external USB hard drive: http://www.westerndigital.com/en/products/products.asp?driveid=357 I set up the disk with LVM2. The device works unless I unplug the USB, then plug it in again. Observe: linux:~ # df Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda9 11796328 3232900 7964208 29% / udev 513264 152 513112 1% /dev linux:~ # mount /dev/mybook/backup /backup/ linux:~ # df Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda9 11796328 3232900 7964208 29% / udev 513264 152 513112 1% /dev /dev/mapper/mybook-backup 961422672 292458528 659196660 31% /backup linux:~ # umount /backup linux:~ # df Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda9 11796328 3232900 7964208 29% / udev 513264 152 513112 1% /dev ## At this point, I unplug the USB cable from the computer, then plug it back ## in. Note: the filesystem is unmounted. Now... linux:~ # mount /dev/mybook/backup /backup/ mount: you must specify the filesystem type linux:~ # lvscan /dev/dm-0: read failed after 0 of 4096 at 1000190443520: Input/output error /dev/dm-0: read failed after 0 of 4096 at 1000190500864: Input/output error /dev/dm-0: read failed after 0 of 4096 at 0: Input/output error /dev/dm-0: read failed after 0 of 4096 at 4096: Input/output error /dev/dm-0: read failed after 0 of 4096 at 0: Input/output error ACTIVE '/dev/mybook/backup' [931.50 GB] inherit linux:~ # vgscan Reading all physical volumes. This may take a while... /dev/dm-0: read failed after 0 of 4096 at 1000190443520: Input/output error /dev/dm-0: read failed after 0 of 4096 at 1000190500864: Input/output error /dev/dm-0: read failed after 0 of 4096 at 0: Input/output error /dev/dm-0: read failed after 0 of 4096 at 4096: Input/output error /dev/dm-0: read failed after 0 of 4096 at 0: Input/output error Found volume group "mybook" using metadata type lvm2 linux:~ # I've reproduced this on 11.0 and 10.3, and on i386 and x86_64. In each case, If I reboot the computer, the problem goes away. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
https://bugzilla.novell.com/show_bug.cgi?id=381578
User gregkh@novell.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=381578#c1
Greg Kroah-Hartman
https://bugzilla.novell.com/show_bug.cgi?id=381578
User bwhiteley@novell.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=381578#c2
Bart Whiteley
https://bugzilla.novell.com/show_bug.cgi?id=381578
Andreas Jaeger
https://bugzilla.novell.com/show_bug.cgi?id=381578
User oneukum@novell.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=381578#c3
Oliver Neukum
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