On Wed, 31 Mar 2010, Jonas Schwertfeger wrote: > Since this seems to have become a udev issue I'm brining the > hotplug/udev list into the loop. > > A brief recap for the hotplug list readers: I'm experiencing issues > with a USB 3.0 hard drive (Buffalo HD-HXU3) on kernel 2.6.32.9 with > udev 151. When connected the device seems to be recognized and > registered with xHCI and USB core correctly but then responds to a > bulk transfer with a stall. We narrowed the issue down to udev by > stopping the udev daemon, connecting the device and mounting it > manually. If done this way the drive works fine. However, if udevd is > running the device stalls. Below is an excerpt of the conversation > involving the USB core, the USB storage and the SCSI list. > > Any idea what command (most likely coming from udev) could cause the > drive to stall and what could be done about it? More specifically, what program issues ATA-passthrough commands? And what can be done to prevent it from doing so in cases where these commands cause the device to crash? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
