http://bugzilla.kernel.org/show_bug.cgi?id=12207 Summary: block reads/writes > 122880 bytes to USB tape drive gives EBUSY Product: IO/Storage Version: 2.5 KernelVersion: 2.6.16 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: SCSI AssignedTo: linux-scsi@xxxxxxxxxxxxxxx ReportedBy: philipm@xxxxxxxxxx Latest working kernel version: 2.6.13 Earliest failing kernel version: 2.6.16 (that I've been able to test, may be 2.6.14) Distribution: Red Hat Enterprise 4, 5, Fedora 9, SuSE 9, 10, SuSE Enterprise 10, and Ubuntu 8.04 tested Hardware Environment: both x86 and amd64 on server, Quantum CD160UE-SST tape drive with 80/160 GB tape Software Environment: Linux Problem Description: Any attempt to read() or write() more than 122880 bytes at a time to the USB tape device results in EBUSY. Steps to reproduce: This happened inside our application when attempting to do a backup with a large write size. However, it can be reproduced with tar: - tar -b 240 -cf /dev/st0 foo (works) - tar -b 241 -cf /dev/st0 foo tar: /dev/st0: Cannot write: Device or resource busy tar: Error is not recoverable: exiting now The reads and writes worked fine in 2.6.13 and earlier. -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
