On Tuesday 15 January 2013 23:26:20 Woody Suwalski wrote: > The modules are insmoded in a fixed order: > usb-common, usbcore, xhci-hcd, ehci-hcd, uhci-hcd, ohci-hcd, usbhid, > usb_storage,... > > If all USB is built as modules - I get read errors from USB drives when > accessing squash image, boot fails. > If usb-common and usbcore are built in, system seems to crawl with a > very slow USB, but boots. That could be caused by timing between hcd > modules. Have you checked which bus the storage device is on? If it is attached to a companion controller that would explain the speed issue. > If usb-common, usbcore and ehci-hcd are built-in, all works OK like > "before 3.8". > I was testing on machines without xhci or ohci hardware, so these > drivers probably are not playing any role. > I have retried initramfs with a 1s sleep between insmods to verify if it > is timing - still the same read errors - so the main issue is _not_ timing. > The read errors problem is 100% reproducible for me, the blocks where > read fails are not fixed - every (failed) boot errors start appearing in > a bit different location. Do you get read errors on the SCSI level only or also errors on the USB level? Regards Oliver -- 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
