[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] PCI bus scan failure on 3.0.0 testing
> I've a set of machines (Network Engines, equivalent to IBM > 4000R's) which worked fine using the default configs for all > versions of Xen from 1.0 thru 2.0 testing, with both the 2.4 > and 2.6 kernel; I'm trying to upgrade to 3.0.0 > (xen-3.0-testing.hg changeset 8269), but am now having > trouble with PCI bus scanning -- only the first bus is found. > I've tried several permutations of nosmp, acpi=off, and > noapic on both the Xen and Linux command line, and have tried > various things like pci=noacpi,scanbus,lastbus=2 on the Linux > command line; no luck so far. (Without nosmp, acpi=off, and > noapic I tend to get hangs; I never needed to use those before.) > > Does anyone recognize this problem, and/or have any > suggestions for what to try next? I keep feeling like I'm > missing something obvious, but haven't spotted it so far. > > Attached are the boot messages for: > xen 2.0 with 2.4 kernel (works) > xen 2.0 with 2.6.11 kernel (works) > xen 3.0 with 2.6.12 kernel (panics) > > I'll keep poking at this (I desperately need to get it > working), and trying other permutations of kernels and boot > options; if anyone can provide any hints for how to debug > this I'd appreciate it a great deal. Try diff'ing the output of a native 2.6.12 kernel booting vs. 2.6.12 on xen. You can get both kernels from the xen test CD. You'll need a serial line. Best, Ian _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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