On Tuesday 07 August 2007 23:18, Greg KH wrote: > On Tue, Aug 07, 2007 at 10:26:15PM +0200, Niels wrote: >> Hi, >> >> I'm having problems with a new 500 GB USB disk. It works, but sometimes I >> get these in dmesg: >> >> >> usb 1-3: reset high speed USB device using ehci_hcd and address 2 >> usb 5-1: USB disconnect, address 2 >> drivers/usb/class/usblp.c: usblp0: removed >> sd 0:0:0:0: Device not ready: <6>: Sense Key : 0x2 [current] >> : ASC=0x4 ASCQ=0x2 >> end_request: I/O error, dev sda, sector 254148215 >> sd 0:0:0:0: Device not ready: <6>: Sense Key : 0x2 [current] >> : ASC=0x4 ASCQ=0x2 >> end_request: I/O error, dev sda, sector 252434023 >> EXT3-fs error (device sda1): ext3_find_entry: reading directory #15761836 >> offset 0 >> >> >> There's also a printer connected. This is on a pci/usb2 card. When the >> above happens, I get I/O errors. When I mount the drive next, there are >> errors and often missing files. Quite annoying! >> >> Kernel is 2.6.21 >> >> What's going on? > > You have a low voltage issue, or a bad cable. The device is > electronically disconnecting itself. Try using a externally-powered > hub, or a new cable. > > thanks, > > greg k-h
It has its own power supply. All cables are new and plugged in securely. Thank you for your answer, Niels - 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/
