** Tags removed: verification-needed-xenial ** Tags added: verification-done-xenial
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1596635 Title: KVM system crashes after starting guest Status in linux package in Ubuntu: Triaged Status in linux source package in Xenial: Fix Committed Bug description: == Comment: #0 - Chanh H. Nguyen - 2016-06-25 00:24:28 == We have Ubuntun 16.04.1 version on our SuperMicro system and some of the virtual packages installed. Define a guest with a pci passthrough is fine but then system crashes at xhci_irq+0x1bc/0xf50 after we start the guest.... 7c:mon> e cpu 0x7c: Vector: 300 (Data Access) at [c000001e1b80f760] pc: c00000000088217c: xhci_irq+0x1bc/0xf50 lr: c000000000882050: xhci_irq+0x90/0xf50 sp: c000001e1b80f9e0 msr: 9000000102009033 dar: 28 dsisr: 40000000 current = 0xc000001e1bc82a20 paca = 0xc000000007b89a00 softe: 0 irq_happened: 0x01 pid = 4026, comm = libvirtd 7c:mon> t [c000001e1b80fb00] c00000000080ebb0 usb_hcd_irq+0x50/0xa0 [c000001e1b80fb30] c00000000082af58 usb_hcd_pci_remove+0x68/0x1c0 [c000001e1b80fb70] c00000000088a118 xhci_pci_remove+0x78/0xb0 [c000001e1b80fba0] c0000000005e54b0 pci_device_remove+0x70/0x110 [c000001e1b80fbe0] c0000000006d1550 __device_release_driver+0xc0/0x190 [c000001e1b80fc10] c0000000006d1660 device_release_driver+0x40/0x70 [c000001e1b80fc40] c0000000006cf860 unbind_store+0x170/0x1b0 [c000001e1b80fc80] c0000000006ce1d4 drv_attr_store+0x64/0xa0 [c000001e1b80fcc0] c0000000003978d0 sysfs_kf_write+0x80/0xb0 [c000001e1b80fd00] c0000000003967e8 kernfs_fop_write+0x188/0x200 [c000001e1b80fd50] c0000000002e126c __vfs_write+0x6c/0xe0 [c000001e1b80fd90] c0000000002e1fa0 vfs_write+0xc0/0x230 [c000001e1b80fde0] c0000000002e2fdc SyS_write+0x6c/0x110 [c000001e1b80fe30] c000000000009204 system_call+0x38/0xb4 --- Exception: c01 (System Call) at 00003fff7f6e6708 SP (3fff7abfd520) is in userspace 7c:mon> r R00 = c000000000882050 R16 = 00003fff7a400000 R01 = c000001e1b80f9e0 R17 = c000000000df4200 R02 = c0000000015b4200 R18 = c000000000b84200 R03 = d000080081560024 R19 = c000000000de4200 R04 = c000000004880000 R20 = 0000000000000001 R05 = c000000004884000 R21 = 00003fff5400565d R06 = c000000004884000 R22 = 00003fff5875aa80 R07 = 000000000000003e R23 = 00003fff7fa914e0 R08 = 0000000000000000 R24 = 00003fff7fa90b90 R09 = 0000000000000006 R25 = c000000000df4200 R10 = 0000000000000000 R26 = c000001e1b80fe00 R11 = 0000000000000006 R27 = c000001e3a2d1698 R12 = c000000000881fc0 R28 = c000000001550f98 R13 = c000000007b89a00 R29 = c000000004880260 R14 = 0000000000000000 R30 = c0000000048802ac R15 = 0000000000000000 R31 = c000000004880000 pc = c00000000088217c xhci_irq+0x1bc/0xf50 cfar= c000000000008468 slb_miss_realmode+0x50/0x78 lr = c000000000882050 xhci_irq+0x90/0xf50 msr = 9000000102009033 cr = 28028882 ctr = c000000000881fc0 xer = 0000000000000000 trap = 300 dar = 0000000000000028 dsisr = 40000000 7c:mon> d c000000000b000f0 c000000000b000f0 4c696e7578207665 7273696f6e20342e |Linux version 4.| c000000000b00100 342e302d32342d67 656e657269632028 |4.0-24-generic (| c000000000b00110 6275696c64644062 6f7330312d707063 |buildd@bos01-ppc| c000000000b00120 3634656c2d303233 2920286763632076 |64el-023) (gcc v| == Comment: #9 - Gabriel Krisman Bertazi - 2016-06-27 08:43:33 == (In reply to comment #0) > We have Ubuntun 16.04.1 version on our SuperMicro system and some of the > virtual packages installed. Define a guest with a pci passthrough is fine > but then system crashes at xhci_irq+0x1bc/0xf50 after we start the guest.... > > 7c:mon> e > cpu 0x7c: Vector: 300 (Data Access) at [c000001e1b80f760] > pc: c00000000088217c: xhci_irq+0x1bc/0xf50 > lr: c000000000882050: xhci_irq+0x90/0xf50 > sp: c000001e1b80f9e0 > msr: 9000000102009033 > dar: 28 > dsisr: 40000000 > current = 0xc000001e1bc82a20 > paca = 0xc000000007b89a00 softe: 0 irq_happened: 0x01 > pid = 4026, comm = libvirtd Hi, From a quick look, it seems you are missing this commit: commit 27a41a83ec54d0edfcaf079310244e7f013a7701 Author: Gabriel Krisman Bertazi <kris...@linux.vnet.ibm.com> Date: Wed Jun 1 18:09:07 2016 +0300 xhci: Cleanup only when releasing primary hcd == Canonical, Please backport to 16.04.01 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1596635/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
