[Bug 88746] Re: ehci_hcd module causes I/O errors in USB 2.0 devices

aschuring aelschuring at hotmail.com
Thu Jun 26 12:18:15 UTC 2008


USB events since boot sequence:

[26] both ohci and ehci drivers loaded
[27] ehci recognizes and activates LaCie external disk
[28] ohci fails to activate mouse
[160] plug-out-and-in logitech mouse; no recourse
[570] rmmod ehci-hcd
[571] ohci activates external disk on full speed
[613] plug-out-and-in mouse; mouse activated

root at neminis:~# lsusb
Bus 002 Device 001: ID 0000:0000  
Bus 001 Device 007: ID 046d:c00b Logitech, Inc. MouseMan Wheel
Bus 001 Device 006: ID 059f:100d LaCie, Ltd 
Bus 001 Device 001: ID 0000:0000  


** Attachment added: "output of dmesg | grep -i usb"
   http://launchpadlibrarian.net/15621160/dmesg-usb.log

-- 
ehci_hcd module causes I/O errors in USB 2.0 devices
https://bugs.launchpad.net/bugs/88746
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