From: Michael Chan <mc...@broadcom.com> Date: Mon, 9 Dec 2013 22:58:44 -0800
> On Mon, 2013-12-09 at 13:07 -0800, Michael Chan wrote: >> On Tue, 2013-12-10 at 00:18 +0300, Sergei Shtylyov wrote: >> > > We had crashes when the PCI config space got scanned via >> > > /sys/devices/pcixxxx/....../config. >> > >> > > I agree that this fix will not help if the scan happens before the tg3 >> > > driver gets loaded. >> > >> > Then perhaps a better place for such fixup would be a PCI quirk? >> > >> Yes, I agree. Thanks. >> > > On second thought, I think your original patch should be sufficient and > we don't need to add the PCI quirk to cover so many devices. The reason > is that indirect access needs to be explicitly enabled in the > MISC_HOST_CTRL (0x68) register. The default value for register 0x68 > should have indirect access disabled. > > Nat, does this match what you're seeing? Did you ever see any system > crash before tg3 loads? What if the kernel is booted via kexec, and the driver in the kernel we are kexec'ing from left indirect access enabled in MISC_HOST_CTRL? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
