On 10/07/10 22:12, Anselm Strauss wrote: > On 10/02/10 16:39, Hans Petter Selasky wrote: >> On Saturday 02 October 2010 14:44:07 Anselm Strauss wrote: >>> On 09/30/10 21:38, Hans Petter Selasky wrote: >>>> On Thursday 30 September 2010 21:10:59 Anselm Strauss wrote: >>>>> Maybe sending it to just the USB list was too specific ... >>>>> >>>>> On 09/30/10 00:08, Anselm Strauss wrote: >>>>>> Hi >>>>>> >>>>>> I have an ALIX board that has an AMD Geode and the CS5536 companion >>>>>> chip with integrated USB on it. When I connect a USB disk I have >>>>>> observed various problems. For example when I run fsck_ufs on a 250 GB >>>>>> partition the process gets stuck in biord state and fsck reports >>>>>> unreadable sectors. When I do a dd over the whole disk and direct it >>>>>> to /dev/null it suddenly returns with no error, but having read only a >>>>>> small fraction of the disk. I tried it with two different disks and >>>>>> two different ALIX boards. I'm pretty sure the disks are okay since I >>>>>> tried them on other hardware. >>>>>> >>>>>> As far as I know there was some trouble with the chip regarding >>>>>> timeouts. Under load after some time the USB just stops responding. I >>>>>> have tried 8.0 and 8.1. Is there any known problem? How can I track >>>>>> this down? >>>>>> >>>>>> Anselm >>>> >>>> If you compile the kernel with USB_DEBUG, then there are some sysctls >>>> under hw.usb.ehci which you can tweak. Needs to be set before boot. >>>> >>>> --HPS >>> >>> Did not know that there were configurable bug workarounds in sysctl. >>> When I set hw.usb.ehci.lostintrbug=1 in /boot/loader.conf the problems >>> seem gone. >>> >>> Without this setting I got the following kernel message when dd did abort: >>> >>> ehci_timeout: xfer=0xc29cd3c8 >>> >>> >>> Thanks, >>> Anselm >> >> Maybe you can report the PCI vendor ID and product so that we can add this >> quirk. >> >> --HPS > > Not sure what a "PCI vendor ID" is and how to determine it. It's a ALIX > 2d2 from http://pcengines.ch/alix. > > Anselm
Sorry, wrong URL: http://pcengines.ch/alix.htm _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"
