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Message #180775
[Bug 1577018] ProcCpuinfo.txt
apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1577018/+attachment/4669757/+files/ProcCpuinfo.txt
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https://bugs.launchpad.net/bugs/1577018
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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