On Fri, 31 Jan 2014 21:30:03 -0500 (EST), Alan Stern wrote: > On Thu, 30 Jan 2014, Dennis New wrote: > > > Indeed, "ohci_quirk_zfmicro" (as mentioned in that marc.info link) > > would crash my kernel/system (I think when some graphics switch > > would happen) :). So I tried "ohci_quirk_amd700", since there were > > already some PCI_VENDOR_ID_ATI quirks in ohci-pci.c that were using > > it, but alas, no luck. After about 6 days, the hang/crash happened > > again. I wasn't able to get debugging info this time around :s. > > > > The mystery continues. > > Hmmm. Looking again at the data you collected, it appears that those > quirks are not going to help. _Something_ has gone wrong, but it's > hard to tell what. At first I thought maybe the OHCI controller had > simply stopped generating interrupt requests, but that doesn't seem to > agree with the debugging output. > > I'll have to write a diagnostic patch to get more information. > Unfortunately the next few days are going to be pretty busy, so I > won't be able to get to it for a while. Btw, the bug "feels" like it happens more often (although not always) when my CPU is doing something intensive, or when I alt-tab to another window, or use my wifi heavily, or some such interrupt-y type event. -- 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
