[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] Oops when loading xen_platform_pci module in HVM domainon CS 11429
> I'm running 64-bit SLES 10 beta 10 (yes, we have to upgrade to the official > release) on a machine with four Xeon 7020s. I got xen-unstable changeset > 11429:66dd34f2f439 and built 64-bit uniprocessor kernels for dom0 and the > HVM domain (a 2.6.16.13 baremetal kernel and its initrd). The HVM domain > is also running SLES 10 beta 10. I followed the instructions to build the > paravirtualized drivers for an HVM domain. When I run "modprobe > xen_platform_pci" in the HVM domain I get a kernel oops. Here is the > output in dmesg. Did you install the xen, tools and dom0 kernel that came with that xen changeset? You'll need all three for PV drivers in HVM domains to work. Ian > > PCI: Found IRQ 10 for device 0000:00:03.0 > Xen version 3.0. > Hypercall area is 1 pages (order 0 allocation) > Unable to handle kernel paging request at ffff81002aca5220 RIP: > [<ffff81002aca5220>] > PGD 8063 PUD 9063 PMD 800000002ac001e3 PTE 31e031e031e031e > Oops: 0011 [1] > CPU 0 > Modules linked in: xen_platform_pci ext3 mbcache jbd edd processor lpfc > mptspi mptscsih mptbase ata_ > piix libata > Pid: 4000, comm: modprobe Not tainted 2.6.16.13-baremetal-up #1 > RIP: 0010:[<ffff81002aca5220>] [<ffff81002aca5220>] > RSP: 0018:ffff8100265b5b60 EFLAGS: 00010282 > RAX: ffff81002aca5220 RBX: 000000002aca5000 RCX: 0000000040000000 > RDX: 0000000000000000 RSI: ffff8100265b5b68 RDI: 0000000000000006 > RBP: ffff8100265b5b78 R08: ffff81002aca5000 R09: ffffffff7fffffff > R10: 00007f0000000000 R11: 0000000080000000 R12: ffff81002fea8000 > R13: 00000000f3000000 R14: 000000000000c100 R15: 0000000000000001 > FS: 00002b443d7726d0(0000) GS:ffffffff80533000(0000) > knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > CR2: ffff81002aca5220 CR3: 0000000026f89000 CR4: 00000000000006e0 > Process modprobe (pid: 4000, threadinfo ffff8100265b4000, task > ffff81002fba0380) > Stack: ffffffff88086c5c ffff810000000000 ffffffff80146693 ffff8100265b5c08 > ffffffff88086635 0000000300000000 ffff8100265b5bb8 0000000000000000 > 0000000000000100 0000000001000000 > Call Trace: <ffffffff88086c5c>{:xen_platform_pci:setup_xen_features+40} > <ffffffff80146693>{__get_free_pages+49} > <ffffffff88086635>{:xen_platform_pci:platform_pci_init+832} > <ffffffff80207ef2>{pci_device_probe+77} > <ffffffff8024d32a>{driver_probe_device+92} > <ffffffff8024d3f2>{__driver_attach+0} > <ffffffff8024d449>{__driver_attach+87} > <ffffffff8024cd16>{bus_for_each_dev+79} > <ffffffff8024d25a>{driver_attach+28} > <ffffffff8024c913>{bus_add_driver+122} > <ffffffff8024d6d4>{driver_register+143} > <ffffffff802080b1>{__pci_register_driver+111} > <ffffffff8808e01c>{:xen_platform_pci:platform_pci_module_init+28} > <ffffffff8013daa5>{sys_init_module+5606} > <ffffffff8013731f>{autoremove_wake_function+0} > <ffffffff8015efaa>{vfs_read+173} <ffffffff8010a8ba>{system_call+126} > > Code: b8 11 00 00 00 0f 01 c1 c3 00 00 00 00 00 00 00 00 00 00 00 > RIP [<ffff81002aca5220>] RSP <ffff8100265b5b60> > CR2: ffff81002aca5220 > > It is oopsing on line 25 in unmodified_drivers/linux-2.6 > /platform-pci/features.c (which is a sym link to > ../../linux-2.6-xen-sparse/drivers/xen/core/features.c): > if (HYPERVISOR_xen_version(XENVER_get_features, &fi) < 0) > > Looks like something went wrong with the hypercall. I crawled through the > code to see how the hypercall stubs are set up but got lost in the MSR > stuff. I'll take a look at it again tomorrow. Thought I should post it to > the list in case anyone else can reproduce the problem and either find a > fix or explain why it's a user error. > > Let me know if you need more info on my setup. > > Steve D. > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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