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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Re: VF passthrough problems
>>> On 18.02.11 at 14:36, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> wrote: > I am having reports of PCI passthrough problems with SR-IOV, in > particular it looks like we are hitting the warning at msi:635 and > msi:648 in xen; see the following log: > > (XEN) [VT-D]iommu.c:1785: VT-d page table not sharing with EPT table > xenbus dev backend/vbd/1/5696 error 6 opening device > (XEN) PCI add Virtual Function 04:1a.0 > (XEN) HVM1: HVM Loader > (XEN) HVM1: Detected Xen v4.1.0.rc2.pre > (XEN) HVM1: CPU speed is 2660 MHz > (XEN) HVM1: Xenbus rings @0xfeffc000, event channel 2 > (XEN) irq.c:258: Dom1 PCI link 0 changed 0 -> 5 > (XEN) HVM1: PCI-ISA link 0 routed to IRQ5 > (XEN) irq.c:258: Dom1 PCI link 1 changed 0 -> 10 > (XEN) HVM1: PCI-ISA link 1 routed to IRQ10 > (XEN) irq.c:258: Dom1 PCI link 2 changed 0 -> 11 > (XEN) HVM1: PCI-ISA link 2 routed to IRQ11 > (XEN) irq.c:258: Dom1 PCI link 3 changed 0 -> 5 > (XEN) HVM1: PCI-ISA link 3 routed to IRQ5 > (XEN) HVM1: pci dev 01:2 INTD->IRQ5 > (XEN) HVM1: pci dev 01:3 INTA->IRQ10 > (XEN) HVM1: pci dev 02:0 INTA->IRQ11 > (XEN) HVM1: pci dev 03:0 INTC->IRQ10 > (XEN) HVM1: pci dev 04:0 INTA->IRQ5 > (XEN) HVM1: pci dev 02:0 bar 10 size 02000000: f0000008 > (XEN) HVM1: pci dev 03:0 bar 14 size 01000000: f2000008 > (XEN) HVM1: pci dev 05:0 bar 10 size 00004000: f3000004 > (XEN) domctl.c:982:d0 memory_map:add: gfn=f3000 mfn=dd5a0 nr_mfns=4 > (XEN) domctl.c:982:d0 memory_map:add: gfn=f3004 mfn=dd6a0 nr_mfns=4 > (XEN) domctl.c:992:d0 memory_map:remove: gfn=f3004 mfn=dd6a0 nr_mfns=1 > (XEN) HVM1: pci dev 05:0 bar 1c size 00004000: f3004004 > (XEN) HVM1: pci dev 02:0 bar 14 size 00001000: f3008000 > (XEN) HVM1: pci dev 03:0 bar 10 size 00000100: 0000c001 > (XEN) HVM1: pci dev 04:0 bar 10 size 00000100: 0000c101 > (XEN) HVM1: pci dev 04:0 bar 14 size 00000100: f3009000 > (XEN) HVM1: pci dev 01:2 bar 20 size 00000020: 0000c201 > (XEN) HVM1: pci dev 01:1 bar 20 size 00000010: 0000c221 > (XEN) HVM1: Multiprocessor initialisation: > (XEN) HVM1: - CPU0 ... 40-bit phys ... fixed MTRRs ... var MTRRs [2/8] ... > done. > (XEN) HVM1: Testing HVM environment: > (XEN) HVM1: - REP INSB across page boundaries ... passed > (XEN) HVM1: - GS base MSRs and SWAPGS ... passed > (XEN) HVM1: Passed 2 of 2 tests > (XEN) HVM1: Writing SMBIOS tables ... > (XEN) HVM1: Loading ROMBIOS ... > (XEN) HVM1: 9628 bytes of ROMBIOS high-memory extensions: > (XEN) HVM1: Relocating to 0xfc000000-0xfc00259c ... done > (XEN) HVM1: Creating MP tables ... > (XEN) HVM1: Loading Cirrus VGABIOS ... > (XEN) HVM1: Loading PCI Option ROM ... > (XEN) HVM1: - Manufacturer: http://etherboot.org > (XEN) HVM1: - Product name: gPXE > [root@localhost bug-report-20110217180212]# (XEN) HVM1: Loading ACPI ... > (XEN) HVM1: - Lo data: 000ea020-000ea04f > (XEN) HVM1: - Hi data: fc002800-fc01293f > (XEN) HVM1: vm86 TSS at fc012c00 > (XEN) HVM1: BIOS map: > (XEN) HVM1: c0000-c8fff: VGA BIOS > (XEN) HVM1: c9000-d6fff: Etherboot ROM > (XEN) HVM1: eb000-eb193: SMBIOS tables > (XEN) HVM1: f0000-fffff: Main BIOS > (XEN) HVM1: E820 table: > (XEN) HVM1: [00]: 00000000:00000000 - 00000000:0009e000: RAM > (XEN) HVM1: [01]: 00000000:0009e000 - 00000000:0009fc00: RESERVED > (XEN) HVM1: [02]: 00000000:0009fc00 - 00000000:000a0000: RESERVED > (XEN) HVM1: HOLE: 00000000:000a0000 - 00000000:000e0000 > (XEN) HVM1: [03]: 00000000:000e0000 - 00000000:00100000: RESERVED > (XEN) HVM1: [04]: 00000000:00100000 - 00000000:2ec00000: RAM > (XEN) HVM1: HOLE: 00000000:2ec00000 - 00000000:fc000000 > (XEN) HVM1: [05]: 00000000:fc000000 - 00000001:00000000: RESERVED > (XEN) HVM1: Invoking ROMBIOS ... > (XEN) HVM1: $Revision: 1.221 $ $Date: 2008/12/07 17:32:29 $ > (XEN) stdvga.c:147:d1 entering stdvga and caching modes > (XEN) HVM1: VGABios $Id: vgabios.c,v 1.67 2008/01/27 09:44:12 vruppert Exp $ > (XEN) HVM1: Processor 1: Xen(R) Virtual CPU > (XEN) HVM1: ata0-0: PCHS=16383/16/63 translation=lba LCHS=1024/255/63 > (XEN) HVM1: XS Virtual IDE Controller Hard Drive (8192MB) > (XEN) HVM1: IDE time out > (XEN) HVM1: XS Virtual ATAPI-4 CD-Rom/DVD-Rom > (XEN) HVM1: > (XEN) HVM1: > (XEN) HVM1: > (XEN) HVM1: Press F12 for boot menu. > (XEN) HVM1: > (XEN) HVM1: Boot device: CD-Romata_is_ready returned 1 > (XEN) HVM1: - failure: could not read boot disk > (XEN) HVM1: > (XEN) HVM1: Boot device: Hard Drive - success. > (XEN) HVM1: Booting from 0000:7c00 > (XEN) HVM1: int13_harddisk: function 41, unmapped device for ELDL=81 > (XEN) HVM1: int13_harddisk: function 08, unmapped device for ELDL=81 > (XEN) HVM1: *** int 15h function AX=00c0, BX=0000 not yet supported! > (XEN) HVM1: int13_harddisk: function 15, unmapped device for ELDL=81 > (XEN) HVM1: KBD: unsupported int 16h function 03 > (XEN) HVM1: int13_harddisk: function 15, unmapped device for ELDL=81 > (XEN) HVM1: *** int 15h function AX=e980, BX=e6f5 not yet supported! > (XEN) HVM1: int13_harddisk: function 02, unmapped device for ELDL=81 > (XEN) HVM1: int13_harddisk: function 41, unmapped device for ELDL=81 > (XEN) irq.c:258: Dom1 PCI link 0 changed 5 -> 0 > (XEN) irq.c:258: Dom1 PCI link 1 changed 10 -> 0 > (XEN) irq.c:258: Dom1 PCI link 2 changed 11 -> 0 > (XEN) irq.c:258: Dom1 PCI link 3 changed 5 -> 0 > (XEN) irq.c:324: Dom1 callback via changed to PCI INTx Dev 0x03 IntC > (XEN) Xen WARN at msi.c:635 > (XEN) ----[ Xen-4.1.0.rc2.pre x86_64 debug=y Not tainted ]---- > (XEN) CPU: 7 > (XEN) RIP: e008:[<ffff82c480161a08>] pci_enable_msi+0x464/0x960 > (XEN) RFLAGS: 0000000000010206 CONTEXT: hypervisor > (XEN) rax: 0000000000000000 rbx: 00000000dd6a0000 rcx: 0000000000000001 > (XEN) rdx: ffff82c48025bc40 rsi: 0000000000000246 rdi: ffff82c48025bc40 > (XEN) rbp: ffff830919aafdc8 rsp: ffff830919aafcf8 r8: 000000000000001a > (XEN) r9: 000000000000003f r10: 0000000000000072 r11: 000000000000001a > (XEN) r12: ffff830919aafe98 r13: 0000000000000003 r14: ffff83091996ce40 > (XEN) r15: ffff830919aafe18 cr0: 000000008005003b cr4: 00000000000026f0 > (XEN) cr3: 00000009199b0000 cr2: 00000000e8da6fe8 > (XEN) ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0000 cs: e008 > (XEN) Xen stack trace from rsp=ffff830919aafcf8: > (XEN) ffff82c48012422a ffff83092f508000 ffff830919aafd48 00ff82c400000003 > (XEN) ffff830900000003 0000000000000010 0000000000000020 0000007000020056 > (XEN) ffff830821aa9f60 0000000400000000 000000000000001a 0000000400000072 > (XEN) 000000000000001a 00000000000dd6a0 00000000000dd6a0 00000000dd6a0000 > (XEN) 00000000dd6a0000 ffff83092f46c4b8 0000000000000202 ffff830919aafda8 > (XEN) ffff82c48012419f ffff830919aafe98 ffff830919708000 0000000000000056 > (XEN) 000000000000005a 00000000ffffffed ffff830919aafe48 ffff82c480163850 > (XEN) 0000000000000001 0000000000000000 0000000000000158 000000000000005a > (XEN) 0000000000000168 ffff830919c05a80 ffff83091996ce40 ffff830919aafe28 > (XEN) ffff82c48012419f ffff830919708000 ffff830919aafe98 000000000a0fa004 > (XEN) 0000000000000056 000000000000005a ffff830919aafef8 ffff82c4802121d0 > (XEN) ffff830919aafe68 ffff82c48020b5bf 0000000000000001 ffffffffffffffff > (XEN) 000000d000000004 dd6a000000000000 ffff830900000000 ffff8300ceeea1f8 > (XEN) 000000d000000004 000000000000005a 00000000dd6a0000 aaaaaaaaaaaaaaaa > (XEN) aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaa ffff8300ceeea000 ffff8300ceeea000 > (XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > (XEN) 00007cf6e65500c7 ffff82c480214ec1 00000000c0101427 0000000000000021 > (XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > (XEN) 00000000edab3ed4 000000000000000d 0000000000000000 0000000000000000 > (XEN) 0000000000000000 0000000000000000 0000000000000021 000000000a0fa004 > (XEN) Xen call trace: > (XEN) [<ffff82c480161a08>] pci_enable_msi+0x464/0x960 > (XEN) [<ffff82c480163850>] map_domain_pirq+0x20f/0x309 > (XEN) [<ffff82c4802121d0>] compat_physdev_op+0x9e0/0x1420 > (XEN) [<ffff82c480214ec1>] compat_hypercall+0xa1/0xfa > (XEN) > (XEN) Xen WARN at msi.c:648 > (XEN) ----[ Xen-4.1.0.rc2.pre x86_64 debug=y Not tainted ]---- > (XEN) CPU: 7 > (XEN) RIP: e008:[<ffff82c480161a8c>] pci_enable_msi+0x4e8/0x960 > (XEN) RFLAGS: 0000000000010246 CONTEXT: hypervisor > (XEN) rax: 0000000000000000 rbx: 0000000000002003 rcx: 0000000000000001 > (XEN) rdx: 0000000000000000 rsi: 0000000000000246 rdi: ffff82c48025bc40 > (XEN) rbp: ffff830919aafdc8 rsp: ffff830919aafcf8 r8: 000000000000001a > (XEN) r9: 000000000000003f r10: 0000000000000072 r11: 000000000000001a > (XEN) r12: ffff830919aafe98 r13: 0000000000000003 r14: ffff83091996ce40 > (XEN) r15: ffff830919aafe18 cr0: 000000008005003b cr4: 00000000000026f0 > (XEN) cr3: 00000009199b0000 cr2: 00000000e8da6fe8 > (XEN) ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0000 cs: e008 > (XEN) Xen stack trace from rsp=ffff830919aafcf8: > (XEN) ffff82c48012422a ffff83092f508000 ffff830919aafd48 00ff82c400000003 > (XEN) ffff830900000003 0000000000000010 0000000000000020 0000007000020056 > (XEN) ffff830821aa9f60 0000000400000000 000000000000001a 0000000400000072 > (XEN) 000000000000001a 00000000000dd6a0 00000000000dd6a0 00000000dd6a0000 > (XEN) 00000000dd6a0000 ffff83092f46c4b8 0000000000000202 ffff830919aafda8 > (XEN) ffff82c48012419f ffff830919aafe98 ffff830919708000 0000000000000056 > (XEN) 000000000000005a 00000000ffffffed ffff830919aafe48 ffff82c480163850 > (XEN) 0000000000000001 0000000000000000 0000000000000158 000000000000005a > (XEN) 0000000000000168 ffff830919c05a80 ffff83091996ce40 ffff830919aafe28 > (XEN) ffff82c48012419f ffff830919708000 ffff830919aafe98 000000000a0fa004 > (XEN) 0000000000000056 000000000000005a ffff830919aafef8 ffff82c4802121d0 > (XEN) ffff830919aafe68 ffff82c48020b5bf 0000000000000001 ffffffffffffffff > (XEN) 000000d000000004 dd6a000000000000 ffff830900000000 ffff8300ceeea1f8 > (XEN) 000000d000000004 000000000000005a 00000000dd6a0000 aaaaaaaaaaaaaaaa > (XEN) aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaa ffff8300ceeea000 ffff8300ceeea000 > (XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > (XEN) 00007cf6e65500c7 ffff82c480214ec1 00000000c0101427 0000000000000021 > (XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > (XEN) 00000000edab3ed4 000000000000000d 0000000000000000 0000000000000000 > (XEN) 0000000000000000 0000000000000000 0000000000000021 000000000a0fa004 > (XEN) Xen call trace: > (XEN) [<ffff82c480161a8c>] pci_enable_msi+0x4e8/0x960 > (XEN) [<ffff82c480163850>] map_domain_pirq+0x20f/0x309 > (XEN) [<ffff82c4802121d0>] compat_physdev_op+0x9e0/0x1420 > (XEN) [<ffff82c480214ec1>] compat_hypercall+0xa1/0xfa > (XEN) > > > Similar problems have been reported also in the bugzilla bug 1742: > > http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1742 > > Do you have any ideas on the cause of the issue? See the thread "Comments on Xen bug 1732" (starting at http://lists.xensource.com/archives/html/xen-devel/2011-01/msg02083.html). Iirc, according to what was discussed there, the warnings do not imply any loss of functionality. Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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