Messages in this thread | | | From | David Brownell <> | Subject | Re: [Bug #10713] ehci splatter in 2.6.26-rc2 | Date | Mon, 19 May 2008 23:13:11 -0700 |
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On Monday 19 May 2008, Lennert Buytenhek wrote: > A bisect turns up this: > > 7329e211b987a493cbcfca0e98c60eb108ab42df is first bad commit > commit 7329e211b987a493cbcfca0e98c60eb108ab42df > Author: Alan Stern <stern@rowland.harvard.edu> > Date: Thu Apr 3 18:02:56 2008 -0400 > > USB: root hubs don't lie about their number of TTs > > Currently EHCI root hubs enumerate with a bDeviceProtocol code > indicating that they possess a Transaction Translator. However the > vast majority of controllers do not... > > And indeed, reverting this commit from 2.6.26-rc3 makes my system > stop oopsing when I plug in the USB-PS/2 adapter (a low speed device), > and makes it work again as it did in 2.6.25. > > Any other info I can provide or tests I can run?
I'm guessing that this has a version of the ARC/TDI/whoever-now-owns-it IP, on a PCI bus? But without the integrated TT option?
If this is on a PCI bus, then try removing the ehci-pci.c line added by that patch, see if that helps.
- Dave
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