> From: geoff@plan9.bell-labs.com Subject: Re: [9fans] usbd problem Date: Wed, 13 Feb 2008 14:13:25 +0000 I'm not having a good day. I said: Also, after restarting partfs you need to reload the partition information: disk/prep -p /dev/sdXX/data /dev/sdXX/ctl Of course it should be: disk/...

... with "len = b[0]". sorry for the mistake. From: sape@plan9.bell-labs.com To: 9fans@cse.psu.edu Reply-To: 9fans@cse.psu.edu Date: Tue Feb 12 15:36:36 CET 2008 Subject: Re: [9fans] usbd problem Nemo found a bug in usb/lib/dump.c that may well account for this. I incorporated his change (and ...

...'t recognize either of my extensive collection of two usb devices. You may be running the usbd with faulty dump.c. If your devices show up in /dev/usb0/1/status with just one line...- 1 into len = b[0] A new version should already have been posted. Sape unfortunately, that's not the problem. Try usb/usbd -d -1 -V and send me the output. Sape

...my uhci ich9r machine doesn't recognize either of my extensive collection of two usb devices. You may be running the usbd with faulty dump.c. If your devices show up in /dev/usb0/1/status with just one line and 0x000000 for Class/... len = b[0] - 1 into len = b[0] A new version should already have been posted. Sape unfortunately, that's not the problem. - erik

>> Are you killing the old usbd before starting a new one? yes. And is this uhci or ohci? ohci. oddly, my uhci ich9r machine doesn't recognize either of my extensive collection of two usb devices. You may be running the usbd with faulty dump.c. If your devices show up in /dev/usb0/1/status with just one line and 0x000000 for Class/Subclass/Proto, then...

> Sorry, I have no ohci hardware so I don't think I can help. Did the uhci machine recognise your devices before the recent update to add ohci support? just got the machine monday. i don't think i have any older kernels with usb compiled in, but i'll see what i can find. i'd like to rule out bios problem, first. - erik

> Are you killing the old usbd before starting a new one? yes. And is this uhci or ohci? ohci. oddly, my uhci ich9r machine doesn't recognize either of my extensive collection of two usb devices. - erik

> i've got things pretty wedged now -- usbd won't start Are you killing the old usbd before starting a new one? And is this uhci or ohci?

... mount /n/usb: unknown format initially in this state, i could restart usbd and got this information. ; usb/usbd -fvD usbd: probing usb2/0.1 usbd: probing usb3/0.1 usbd: probing usb4/0.1 usbd: probing usb0/0.1 out 5 [8] 80 06 00 01 00 00 ...with the identical status files existed. i've got things pretty wedged now -- usbd won't start so it's hard to get much more information. ...

> geoff pointed out that usb/disk pulls in a lot of stuff and might need some work to run in the kernel. Usb root can be done by putting usb/disk and usb/usbd into /boot and hacking /sys/src/9/boot/local.c a bit. I tried it once and it worked albeit slowly. However, getting 9load to use usb disk would be a bigger task.