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[Bug 1577018] WifiSyslog.txt

 

apport information

** Attachment added: "WifiSyslog.txt"
   https://bugs.launchpad.net/bugs/1577018/+attachment/4669763/+files/WifiSyslog.txt

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Title:
  Kernel crashes on dom0 startup when dom0_mem is set if BIOS is buggy
  (e. g. GA-78LMT-USB3 Rev 5.0 BIOS FA)

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Description:	Ubuntu 16.04 LTS
  Release:	16.04
  linux-image-generic:
    Installiert:           4.4.0.21.22
    Installationskandidat: 4.4.0.21.22
    Versionstabelle:
   *** 4.4.0.21.22 500
          500 http://at.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
          100 /var/lib/dpkg/status
  I would expect the system to boot up like it did before I upgraded to xenial
  When I try to boot my virtual machine host using a xenial based Xen system (Xen 4.6, linux generic 4.4.0) it crashes immediately.
  My system setup is non standard as I tried to fix the dom0 memory using dom0_mem. This is due to this FAQ entry: http://zfsonlinux.org/faq.html#CanIRunZFSForXenHypervisor . I use ZFS for virutal machine disks and other storage.
  The systems bios is not updated by manufacturer anymore (2013). The on board graphics card is used.
  Shared graphics memory is set to auto. Setting it to 128 MB didn't change anything.
  Using a wily kernel 4.2.0 generic or a 4.1.22 mainline kernel works.
  Using a mainline kernel 4.4.8 or 4.5.2 also crashes.
  A quick google search using the first crash report line leads to this
  https://lkml.org/lkml/2015/8/19/366
  and this
  http://code.metager.de/source/history/linux/stable/arch/x86/xen/
  I checked that the two patches that seem most relevant here are present in the ubuntu kernel.
  Workaround is to not force a particular amount of memory for dom0 (delete dom0_mem parameter)
  --- 
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  vmadmin    8784 F.... pulseaudio
   /dev/snd/controlC1:  vmadmin    8784 F.... pulseaudio
  CurrentDesktop: MATE
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=3352f7fa-317a-4ffc-8890-b1c7e45d183c
  InstallationDate: Installed on 2015-06-27 (309 days ago)
  InstallationMedia: Ubuntu-MATE 15.04 "Vivid Vervet" - Release amd64 (20150422.1)
  MachineType: Gigabyte Technology Co., Ltd. GA-78LMT-USB3
  NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
  Package: linux (not installed)
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: placeholder root=UUID=0ccd0adc-fe68-4104-a524-6e1589a167df ro net.ifnames=0 rootwait rootdelay=30 usbcore.autosuspend=120 usbcore.old_scheme_first=1 usbcore.initial_descriptor_timeout=60 usb-storage.delay_use=10 console=hvc0 console=tty0 earlyprintk=xen quiet splash nomdmonddf nomdmonisw
  ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-21-generic N/A
   linux-backports-modules-4.4.0-21-generic  N/A
   linux-firmware                            1.157
  RfKill:
   
  Tags:  xenial
  Uname: Linux 4.4.0-21-generic x86_64
  UpgradeStatus: Upgraded to xenial on 2016-04-24 (7 days ago)
  UserGroups: adm cdrom dialout dip fax floppy fuse libvirtd lpadmin plugdev sambashare sudo tape video
  _MarkForUpload: True
  dmi.bios.date: 04/23/2013
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: FA
  dmi.board.name: GA-78LMT-USB3
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrFA:bd04/23/2013:svnGigabyteTechnologyCo.,Ltd.:pnGA-78LMT-USB3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-78LMT-USB3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: GA-78LMT-USB3
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.
  --- 
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  vmadmin    7610 F.... pulseaudio
   /dev/snd/controlC1:  vmadmin    7610 F.... pulseaudio
  CurrentDesktop: MATE
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=3352f7fa-317a-4ffc-8890-b1c7e45d183c
  InstallationDate: Installed on 2015-06-27 (332 days ago)
  InstallationMedia: Ubuntu-MATE 15.04 "Vivid Vervet" - Release amd64 (20150422.1)
  MachineType: System manufacturer System Product Name
  NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
  Package: linux (not installed)
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: placeholder root=UUID=0ccd0adc-fe68-4104-a524-6e1589a167df ro dom0_mem=8G,min:8G,max:8G net.ifnames=0 rootwait rootdelay=30 usbcore.autosuspend=120 usbcore.old_scheme_first=1 usbcore.initial_descriptor_timeout=60 usb-storage.delay_use=10 console=hvc0 console=tty0 earlyprintk=xen quiet splash nomdmonddf nomdmonisw
  ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-22-generic N/A
   linux-backports-modules-4.4.0-22-generic  N/A
   linux-firmware                            1.157
  RfKill:
   
  Tags:  xenial
  Uname: Linux 4.4.0-22-generic x86_64
  UpgradeStatus: Upgraded to xenial on 2016-04-24 (30 days ago)
  UserGroups: adm cdrom dialout dip fax floppy fuse libvirtd lpadmin plugdev sambashare sudo tape video
  _MarkForUpload: True
  dmi.bios.date: 11/12/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1801
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: M5A78L-M/USB3
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1801:bd11/12/2013:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM5A78L-M/USB3:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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