> From: Stephen Warren [mailto:swarren@xxxxxxxxxxxxx] > Sent: Friday, July 19, 2013 1:00 PM > > On 07/19/2013 01:55 PM, Paul Zimmerman wrote: > >> From: Stephen Warren [mailto:swarren@xxxxxxxxxxxxx] > >> Sent: Thursday, July 18, 2013 11:01 PM > >> ... > >> > >> I then wanted to try WiFi, so I plugged in a USB mouse/keyboard, and > >> started X, trying to use GUI tools. Then I saw some issues. > >> > >> With just the USB mouse/keyboard attached (via a powered hub), and no > >> WiFi device yet, they would work for a while, but pretty soon I kept > >> seeing all USB devices just disappear; only the "Linux Foundation 2.0 > >> root hub" would be left. Unplugging and replugging didn't fix this; I > >> had to power-cycle. > >> > >> I wonder if there are issues with just USB interrupt transfers, which I > >> assume both HID devices and the USB SD card plug/unplug notifications use?? > > > > Hi Stephen, > > > > Are you sure you added both of the new driver parameters to > > platform.c? I was seeing the same kind of hangs before I set > > .ahbcfg = 0x10. > > I'm afraid so. You can see the exact code I ran at: > https://github.com/swarren/linux-rpi/commits/rpi_dev Yep, you're right. I can reproduce the issue under X. In my case I didn't see a problem until I connected a thumb drive and the WiFi dongle, though. I suspect the FIQ mods from the raspberrypi.org driver are needed to fix this. Hopefully we can get those folks on board pretty soon. I am still waiting for the SOBs from them so I can resubmit the scheduler patch, though. -- Paul -- 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
