Hi Sander, Paul observed freeze issue, but in his last mail, his xHCI controller has been updated and the symptom is observed much less frequently. And I haven't seen his update log since then. Thanks & Best regards, Andiry > -----Original Message----- > From: Sander Eikelenboom [mailto:linux@xxxxxxxxxxxxxx] > Sent: Tuesday, September 14, 2010 4:01 PM > To: Xu, Andiry > Cc: Sarah Sharp; linux-usb@xxxxxxxxxxxxxxx > Subject: Re: XHCI freezes, most up to date patches / tree ? > > Hi Andiry, > > Yes, since i was testing on baremetal instead of in a VM, i had to use > another program to do the videograbbing, it turned out I was trying to use > the old v4l1 interface instead of v4l2. > That should have worked, but resulted in an Oops, using v4l2 (as intended) > did work. > > During my vacation, I have had the grabber passed through to the VM (on > USB2) and it is running for +20 days now (24/7 grabbing), the machine had > a lot of disk and network access as well. > So the setup in essence could work, still having to find out what exactly > in passthrough in combination with XHCI makes it freeze completely without > any Oops or Trace. > That's why I was interessted in the thread with Paul Zimmerman, although i > didn't see a conclusion. > > -- > Sander > > > Tuesday, September 14, 2010, 9:53:00 AM, you wrote: > > > Hi Sander, > > > As far as I know, there is no recent update patch for xhci isoc. > > > In your last mail you mentioned you also observed em28xx driver on USB2 > > issue. Is that fixed? > > > Please apply the patch I sent to you last time when you catch the freeze > > symptom. > > > Thanks & Best regards, > > Andiry > > > > >> -----Original Message----- > >> From: Sander Eikelenboom [mailto:linux@xxxxxxxxxxxxxx] > >> Sent: Monday, September 13, 2010 7:32 PM > >> To: Xu, Andiry > >> Cc: Sarah Sharp; linux-usb@xxxxxxxxxxxxxxx > >> Subject: XHCI freezes, most up to date patches / tree ? > >> > >> Hi Andiry, > >> > >> After my two week holiday, i would like to resume my quest in finding > > my > >> problem where my USB3 passthrough on Xen seems to freeze my complete > >> system. > >> It seems to be DMA related, although after consulting with the guy who > >> works on the pci passthrough / swiotlb on Xen he couldn't find Xen > > related > >> problems at first hand. > >> > >> Of special interest to me is the thread by "Paul Zimmerman" on the > > usb- > >> devel mailing list. Also reporting a freeze. > >> I didn't see any outcome of that discussion. > >> > >> Is there somewhere were i can get the most recent set of patches for > >> xhci/isoc, or is linus 2.6.36-rc4 tree up to date ? > >> > >> -- > >> Sander > >> > > > > > > -- > Best regards, > Sander mailto:linux@xxxxxxxxxxxxxx > -- 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
