On Fri, Apr 23, 2010 at 05:05:24PM -0600, Bjorn Helgaas wrote: > On Wednesday 21 April 2010 01:31:20 pm Andy Isaacson wrote: > > On Tue, Apr 20, 2010 at 10:33:50PM -0700, Yinghai wrote: > > > Update e820 at first, and later put them resource tree. > > > Reserved that early, will not be allocated to unassigned PCI BAR > > > > > > v3: remove probe_roms() that is not needed, because whole range is reserved > > > already > > > > Test booted this patch series on the problematic t3400, seems to work > > fine. dmesg attached to bug 15744. > > Thanks for testing (again). I'm not confident that this series is > going to be successful, so I started looking for other approaches. > > I can't reproduce the exact problem you're seeing, but in my > kludged-up attempt, the patch below is enough to keep us from > assigning the space below 1MB to a device. > > Would you guys (Andy & Andy, what a coincidence :-)) mind giving > it a try? This is intended to work on top of current upstream, > with no other patches required. > > Bjorn > > > commit 7fb707eb97fdf6dc4fa4b127f127f8d00223afc7 > Author: Bjorn Helgaas <bjorn.helgaas@xxxxxx> > Date: Fri Apr 23 15:22:10 2010 -0600 > > x86/PCI: never allocate PCI MMIO resources below BIOS_END > > When we move a PCI device or assign resources to a device not configured > by the BIOS, we want to avoid the BIOS region below 1MB. Note that if the > BIOS places devices below 1MB, we leave them there. Works for me. dmesg at https://bugzilla.kernel.org/attachment.cgi?id=26150 -andy -- 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
