2.6.20-mm2 #1 Mon Feb 26 13:16:04 EST 2007 i686 unknown I have an external USB drive (WD MyBook 5000YS), which I use for backups.
When I try to back up to it, it works for a while, but inevitably starts resetting like mad, gives I/O errors, and then (here's the problem), the softdog module reboots the system. --------------------------- scsi1 : SCSI emulation for USB Mass Storage devices input: Western Digital External HDD as /class/input/input8 input: USB HID v1.11 Device [Western Digital External HDD] on usb-0000:00:03.2-6 .2 scsi 1:0:0:0: Direct-Access WD 5000YS External 106a PQ: 0 ANSI: 4 SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB) sda: Write Protect is off sda: assuming drive cache: write through SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB) sda: Write Protect is off sda: assuming drive cache: write through sda: sda1 sda2 sd 1:0:0:0: Attached scsi disk sda sd 1:0:0:0: Attached scsi generic sg0 type 0 reiser4[pdflush(194)]: disable_write_barrier (fs/reiser4/wander.c:234)[zam-1055] : NOTICE: md1 does not support write barriers, using synchronous write instead. reiser4: sda2: found disk format 4.0.0. ---- (works fine here for a while, then:) ---------- usb 1-6.2: reset high speed USB device using ehci_hcd and address 36 usb 1-6.2: device descriptor read/64, error -110 usb 1-6.2: device descriptor read/64, error -110 usb 1-6.2: reset high speed USB device using ehci_hcd and address 36 usb 1-6.2: device descriptor read/64, error -110 usb 1-6.2: device descriptor read/64, error -110 usb 1-6.2: reset high speed USB device using ehci_hcd and address 36 usb 1-6.2: device descriptor read/8, error -110 usb 1-6.2: device descriptor read/8, error -110 usb 1-6.2: reset high speed USB device using ehci_hcd and address 36 usb 1-6.2: device descriptor read/8, error -110 usb 1-6.2: device descriptor read/8, error -110 sd 1:0:0:0: scsi: Device offlined - not ready after error recovery sd 1:0:0:0: SCSI error: return code = 0x00050000 end_request: I/O error, dev sda, sector 919931588 sd 1:0:0:0: rejecting I/O to offline device sd 1:0:0:0: SCSI error: return code = 0x00010000 end_request: I/O error, dev sda, sector 919931828 sd 1:0:0:0: rejecting I/O to offline device sd 1:0:0:0: rejecting I/O to offline device sd 1:0:0:0: rejecting I/O to offline device ... SoftDog: Initiating system reboot. ----------------------------------------------------- Now, the USB problem may well be a device or cabling issue, but I don't think that this drive failure should trigger a reboot - I assume the drive failure is somehow constipating the entire disk I/O system, and preventing my softdog-patting script from running. My softdog script loops 'date >/tmp/$logfile;echo 1 > /dev/watchdog; sleep 30'. Nothing in it accesses the USB disk. /tmp is tmpfs. Should the USB failure cause this problem? -Eric - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
