Hi Joseph, This is my kernel bisect result
$ git checkout bisect/bad Previous HEAD position was 92923ca... mm: meminit: only set page reserved in the memblock region HEAD is now at d70ddd7... mm: page_alloc: pass PFN to __free_pages_bootmem $ git bisect log git bisect start # bad: [d770e558e21961ad6cfdf0ff7df0eb5d7d4f0754] Linux 4.2-rc1 git bisect bad d770e558e21961ad6cfdf0ff7df0eb5d7d4f0754 # good: [b953c0d234bc72e8489d3bf51a276c5c4ec85345] Linux 4.1 git bisect good b953c0d234bc72e8489d3bf51a276c5c4ec85345 # good: [4570a37169d4b44d316f40b2ccc681dc93fedc7b] Merge tag 'sound-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound git bisect good 4570a37169d4b44d316f40b2ccc681dc93fedc7b # good: [8d7804a2f03dbd34940fcb426450c730adf29dae] Merge tag 'driver-core-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core git bisect good 8d7804a2f03dbd34940fcb426450c730adf29dae # good: [78c10e556ed904d5bfbd71e9cadd8ce8f25d6982] Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus git bisect good 78c10e556ed904d5bfbd71e9cadd8ce8f25d6982 # bad: [13d45f79a2af84de9083310db58b309a61065208] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds git bisect bad 13d45f79a2af84de9083310db58b309a61065208 # good: [0161b6e0d88e04f54ada7112bb2dad1f3ae472af] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux git bisect good 0161b6e0d88e04f54ada7112bb2dad1f3ae472af # good: [47ebed96ff4ff0d9c39d0fea74ade65dbf9cc41c] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net git bisect good 47ebed96ff4ff0d9c39d0fea74ade65dbf9cc41c # bad: [abdd4a7025282fbe3737e1bcb5f51afc8d8ea1b8] genalloc: rename of_get_named_gen_pool() to of_gen_pool_get() git bisect bad abdd4a7025282fbe3737e1bcb5f51afc8d8ea1b8 # bad: [15f1d827810e085496eb7ae82aa3ed2dba9901cc] scripts/gdb: remove useless global instruction git bisect bad 15f1d827810e085496eb7ae82aa3ed2dba9901cc # bad: [189f9841de23a58ecb4b2602db8581512ff08ba4] fs: allocate structure unconditionally in seq_open() git bisect bad 189f9841de23a58ecb4b2602db8581512ff08ba4 # bad: [7e18adb4f80bea90d30b62158694d97c31f71d37] mm: meminit: initialise remaining struct pages in parallel with kswapd git bisect bad 7e18adb4f80bea90d30b62158694d97c31f71d37 # bad: [d70ddd7a5d9aa335f9b4b0c3d879e1e70ee1e4e3] mm: page_alloc: pass PFN to __free_pages_bootmem git bisect bad d70ddd7a5d9aa335f9b4b0c3d879e1e70ee1e4e3 # good: [1e8ce83cd17fd0f549a7ad145ddd2bfcdd7dfe37] mm: meminit: move page initialization into a separate function git bisect good 1e8ce83cd17fd0f549a7ad145ddd2bfcdd7dfe37 -- 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/1633634 Title: sr-iov not working on ubuntu 16.04 kvm Status in linux package in Ubuntu: Confirmed Bug description: The exact same set up (hardware and commands I have made) worked perfectly on Ubuntu 14.04 but I can't get it working with 16.04. The only thing I have changed between the 2 setups is adding <driver name='kvm'/> to the network definition as the now default vfio also failed with qemu-system-x86_64: vfio_dma_map(0x55f1c4f8bb00, 0xfe000000, 0x4000, 0x7fa687700000) = -14 (Bad address) qemu: hardware error: vfio: DMA mapping failed, unable to continue If I am doing something wrong I apologise, this is my first bug report and I'm still relatively new to Linux. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-42-generic 4.4.0-42.62 ProcVersionSignature: Ubuntu 4.4.0-42.62-generic 4.4.21 Uname: Linux 4.4.0-42-generic x86_64 AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Oct 14 20:11 seq crw-rw---- 1 root audio 116, 33 Oct 14 20:11 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Date: Fri Oct 14 23:05:26 2016 HibernationDevice: RESUME=UUID=bb1632fb-69fe-4d67-bc51-8182d2546d91 InstallationDate: Installed on 2016-10-08 (6 days ago) InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' MachineType: FUJITSU PRIMERGY TX1310 M1 PciMultimedia: ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-42-generic root=UUID=07b95c7c-db77-4cee-8336-6f24b2072da6 ro pcie_aspm=off intel_iommu=on iommu=pt pci=assign-busses quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.4.0-42-generic N/A linux-backports-modules-4.4.0-42-generic N/A linux-firmware 1.157.4 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/15/2015 dmi.bios.vendor: FUJITSU // American Megatrends Inc. dmi.bios.version: V4.6.5.4 R1.5.0 for D3219-A1x dmi.board.name: D3219-A1 dmi.board.vendor: FUJITSU dmi.board.version: S26361-D3219-A1 dmi.chassis.type: 6 dmi.chassis.vendor: FUJITSU dmi.chassis.version: TX1310M1 dmi.modalias: dmi:bvnFUJITSU//AmericanMegatrendsInc.:bvrV4.6.5.4R1.5.0forD3219-A1x:bd09/15/2015:svnFUJITSU:pnPRIMERGYTX1310M1:pvr:rvnFUJITSU:rnD3219-A1:rvrS26361-D3219-A1:cvnFUJITSU:ct6:cvrTX1310M1: dmi.product.name: PRIMERGY TX1310 M1 dmi.sys.vendor: FUJITSU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1633634/+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
