On 05/19/2010 05:22 PM, Jesse Barnes wrote: > On Wed, 19 May 2010 17:03:04 -0700 > Yinghai <yinghai.lu@xxxxxxxxxx> wrote: > >> On 05/19/2010 03:47 PM, Graham Ramsey wrote: >>> On 19/05/10 19:01, Yinghai wrote: >>>> On 05/19/2010 10:16 AM, Graham Ramsey wrote: >>>> >>>>> On 19/05/10 17:44, Bjorn Helgaas wrote: >>>>> >>>>>> On Wednesday, May 19, 2010 09:13:24 am Graham Ramsey wrote: >>>>>> >>>>>> >>>>>>> I am on x86_64 with latest (v2.6.34) kernel. When i set >>>>>>> CONFIG_SND_HDA_INTEL=Y It hangs at an early stage in boot with kernel >>>>>>> oops. >>>>>>> When i use CONFIG_SND_HDA_INTEL=M the machine will boot, and i get the >>>>>>> dmesg (below). >>>>>>> >>>>>>> I have bisected down to one commit that causes the problem: >>>>>>> >>>>>>> commit 3e3da00c01d050307e753fb7b3e84aefc16da0d0 >>>>>>> x86/pci: AMD one chain system to use pci read out res >>>>>>> ... >>>>>>> >>>>>>> >>>>>> I CC'd Yinghai, the author of that patch. That commit went in after >>>>>> 2.6.33, so this is probably a regression between .33 and .34. Can >>>>>> you open a report at https://bugzilla.kernel.org and respond to this >>>>>> thread with the URL? >>>>>> >>>>>> Please attach the complete dmesg (with SND_HDA_INTEL=m) to the >>>>>> bugzilla. >>>>>> >>>>>> Thanks a lot for your report! >>>>>> >>>>>> >>>> please send out bootlog with pci=earlydump. >>>> >>>> looks like your system have a very sick BIOS, >>>> >>>> system have two HT chains. >>>> >>>> PCI: Probing PCI hardware (bus 00) >>>> ... >>>> PCI: Discovered primary peer bus 80 [IRQ] >>>> >>>> >>>> rt to non-coherent only set one link: >>>> node 0 link 0: io port [1000, ffffff] >>>> TOM: 0000000080000000 aka 2048M >>>> node 0 link 0: mmio [e0000000, efffffff] >>>> node 0 link 0: mmio [a0000, bffff] >>>> node 0 link 0: mmio [80000000, ffffffff] >>>> bus: [00, ff] on node 0 link 0 >>>> >>>> YH >>>> >>>> >>> I have uploaded full boot log (of a working kernel) to bug if that is ok >>> >>> https://bugzilla.kernel.org/attachment.cgi?id=26444 >>> >> >> ah, that 80:01.0 is standalone device, the system still only have one HT chain. >> >> that is CRAZY that they can sell those poor designed chips. >> >> actually 3e3da00c is fixing another bug with one HT chain. >> >> Jesse, >> We have two options: >> 1. revert that 3e3da00c >> 2. or use quirks to black out system with VIA chipset. >> >> please let me know which one you prefer. > > I'm guessing these VIA chipsets are pretty common; how common is the > platform bug you fixed with 3e3da00c? one laptop with firewire on AMD 64 bit laptop. can not find the mail any more. > > I'd rather quirk one platform than a whole bunch... maybe you you can revert that patch at first. Thanks Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html