Re: [linux-usb-devel] USB Core:hcd_endpoint_disable panic by wrong cleanup

2006-08-30 Thread ohtake-txa
Dear Greg & All >What drivers do you have that do not work on the latest kernel.org >kernel? Do you have a pointer to them anywhere so they can be forward >ported properly? The driver that do not work on the lastest kernel are our original drivers. >Sorry, but since you are stuck with a vendor s

Re: [linux-usb-devel] USB Core:hcd_endpoint_disable panic by wrong cleanup

2006-08-28 Thread ohtake-txa
Dear Alan stern Greg k-h & All >All this stuff has been completely changed since 2.6.9. Try running >2.6.17 instead, if you can. >Can you please test the 2.6.17 kernel or newer from kernel.org with this >test? That way we can try to fix the issue if there still is one. Thanks your co

[linux-usb-devel] USB Core:hcd_endpoint_disable panic by wrong cleanup

2006-08-26 Thread ohtake-txa
Dear all I encountered this crash several times by our eject test with Asianux v2 (2.6.9-34.21AXsmp). The immediate cause of the crash was that udev->hcpriv was null when hcd_endpoint_disable was called by usb_disable_endpoint. I found wrong cleanup timing, that occurred when the two usb_disconne

Re: [linux-usb-devel] [PATCH] OHCI: Add urb_priv null pointer check to finish_unlinks

2006-07-18 Thread ohtake-txa
Dear Dave & all >> (b)"runtime diagnostic" >> 1) USB devices are connected to the HC >> USB device: CD-ROM, Keyboard, Mouse >> >>--start test-- >> 2) eject USB devices from HC >>about 1 second >> 3) eject HC from the machine >> Panic was happened > >So the real fix wo

Re: [linux-usb-devel] [PATCH] OHCI: Add urb_priv null pointer check to finish_unlinks

2006-07-13 Thread ohtake-txa
Dear Dave & all I'm glad for your comment, Dave. Thank you. >That should WARN_ON(1) instead of just continuing; that's one of >those "should never happen" bugs. When you paper over such bugs >you should (a) put a comment saying that's what you're doing, >and usually (b) put in some kind of runti

[linux-usb-devel] [PATCH] OHCI: Add urb_priv null pointer check to finish_unlinks

2006-07-12 Thread ohtake-txa
Dear all. I encountered this crash by our insert/eject tests several times with Asianux v2(2.6.9-34.21AXsmp). I think that this crash is the same pattern reported at http://sourceforge.net/mailarchive/message.php?msg_id=10654542. Looking into dump file, the urb->hcpriv was nulled. The patch avoi