On Mon, 28 Nov 2005, Salah Coronya wrote: > Linux is unable to correctly use the right device driver for my > JumpDrive trio: It detects it as a high-speed device, but the EHCI > drivers error out when it is plugged in, the UHCI driver can handle it > (although Linux complains "not running at top speed; connect to a high > speed hub". If the UCHI driver is not loaded, then NOTHING happens when > the device is plugged in. > > Without USB debugging, Linux doesn't really say why it wont work. With > debugging, though, it spits out a lot more informative information > (with nothing plugged into any of the USB ports): > > ehci_hcd 0000:00:10.3: GetStatus port 1 status 001030 POWER sig=se0 OCC OC > hub 1-0:1.0: over-current change on port 1 ...
> The "over current" stuff is completely implausible: Nothing is attached > to any of the USB connections, and 2 of 6 ports are on the motherboard > but currently have no USB ports connected to them. > > When the device is plugged in, the following errors get spit out: > > ehci_hcd 0000:00:10.3: fatal command 010009 (park)=0 ithresh=1 > period=256 RUN > ehci_hcd 0000:00:10.3: fatal status 0008 FLR > hub 1-0:1.0: state 5 ports 6 chg 0000 evt 0008 > ehci_hcd 0000:00:10.3: GetStatus port 3 status 001813 POWER sig=j OC CSC > CONNECT > hub 1-0:1.0: port 3, status 0509, change 0001, 480 Mb/s > hub 1-0:1.0: debounce: port 3: total 100ms stable 100ms status 0x509 > ehci_hcd 0000:00:10.3: port 3 full speed --> companion > ehci_hcd 0000:00:10.3: GetStatus port 3 status 003011 POWER OWNER > sig=se0 OC CONNECT > ehci_hcd 0000:00:10.3: fatal command 010009 (park)=0 ithresh=1 > period=256 RUN > ehci_hcd 0000:00:10.3: fatal status 0008 FLR > > Here's what in /sys/class/usb_host/usb_host1/registers - with the device > NOT plugged in: > > bus pci, device 0000:00:10.3 (driver 10 Dec 2004) > EHCI Host Controller > EHCI 1.00, hcd state 1 > ownership 01000001 linux > SMI sts/enable 0xe0080000 > structural params 0x00003206 > capability params 0x00006872 > status 0008 FLR > command 010009 (park)=0 ithresh=1 period=256 RUN > intrenable 37 IAA FATAL PCD ERR INT > uframe 215e > port 1 status 001010 POWER sig=se0 OC > port 2 status 001010 POWER sig=se0 OC > port 3 status 001010 POWER sig=se0 OC > port 4 status 001010 POWER sig=se0 OC > port 5 status 001010 POWER sig=se0 OC > port 6 status 001010 POWER sig=se0 OC > irq normal 0 err 0 reclaim 0 (lost 0) > complete 0 unlink 0 > > Here's what in /sys/class/usb_host/usb_host1/registers - with the device > plugged in: ... > The machine is question is one I built myself. Neither "acpi=off" nor > "noapic" fixes the problem. I'm not sure if the problem the flaky > hardware or if its a driver bug. The device works fine in full-speed > mode (at 12MB/s, of course). This is the only high-speed device I have, > all my other computers only have USB 1.1 ports and all other usb devices > are USB 1.1. Its never worked right as far as I know, tested it on a > kernel as early as vanilla 2.6.8.1 and as late as 2.6.15-rc2-git6. > Current kernel is 2.6.14-gentoo-r2. > > I'm stumped on this one, any clue what's going on? Although I'm not an expert on EHCI controllers and their quirks, it sure looks like your controller is broken. Alan Stern ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
