On Fri, 16 Nov 2007, Dr. C. wrote: > Hello everyone, > > I have two Maxtor external USB drives which are causing me problems > under various Linux kernels (Iâve tried 2.6.16.53, 2.6.23.1, and > 2.6.24-rc2). While these drives work fine under Windows, under linux I > can partition the disks and format them, but when I attempt to read or > write a large quantity of data, the drive becomes corrupted, the > content becomes trashed and the partition table disappears: > > I had a detailed email prepared, but since my email keeps getting > rejected due to rule match, I'll keep this brief: In the system log, > the only thing that appears is an innocuous reset:, but turning on the > kernel-storage-debug flag, we can see a bit more of what is occurring, > something related to â3strikesâ: > > Nov 11 19:18:55 www kernel: ehci_hcd 0000:00:03.3: devpath 1 ep8in 3strikes > Nov 11 19:18:55 www kernel: usb-storage: Status code -71; transferred > 23552/6553 > 6 > Nov 11 19:18:55 www kernel: usb-storage: -- unknown error > Nov 11 19:18:55 www kernel: usb-storage: Bulk data transfer result 0x4 > Nov 11 19:18:55 www kernel: usb-storage: -- transport indicates error, > resetting > Nov 11 19:18:55 www kernel: usb-storage: storage_pre_reset > Nov 11 19:18:55 www kernel: usb-storage: Status code 0; transferred > 65536/65536 > Nov 11 19:18:55 www kernel: usb-storage: -- transfer complete > > If this gets through I'll post more detail. Any suggestions? Is this > just a case of hardware bugs being exposed linux? Should I open a > kernel bug?
I don't think it's a kernel bug. Much more likely is a low-level hardware or firmware failure. It could be a hardware bug, or it could be a bad cable (or the equivalent). The kernel log posted above isn't complete, that is, there are lines missing in the middle. You'd be better off using usbmon (see Documentation/usb/usbmon.txt). Alan Stern ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Linux-usb-users@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
