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Message #134171
[Bug 1493943] Re: Mono reliably crashes on certain multithreaded code in 3.13.0-62-generic
** Description changed:
+ SRU Justification:
+
+ [Impact]
This bug appears to be due to a regression of the fix for:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1450584
Specifically, the edit history for
https://github.com/torvalds/linux/commits/master/arch/x86/kernel/pvclock.c
(one of the files that the parent mentioned needed patching for the fix)
shows that the changes added for the fix were removed one month later.
+
+ [Fix]
+ $ git describe --contains 73459e2a1ada09a68c02cc5b73f3116fc8194b3d
+ v4.1-rc2~14^2
+
+ [Test Case]
+ run mono in a multithreaded kvm vm
+ bug 1450584 has some testcases
+
+ --
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-62-generic 3.13.0-62.102
ProcVersionSignature: Ubuntu 3.13.0-62.102-generic 3.13.11-ckt24
Uname: Linux 3.13.0-62-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.12
Architecture: amd64
AudioDevicesInUse:
- USER PID ACCESS COMMAND
- /dev/snd/controlC0: droffel 1829 F.... pulseaudio
+ USER PID ACCESS COMMAND
+ /dev/snd/controlC0: droffel 1829 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Sep 9 10:28:21 2015
HibernationDevice: RESUME=UUID=c916917a-07a8-42ad-807a-b2f7c4ff9807
InstallationDate: Installed on 2015-04-15 (146 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
IwConfig:
- eth0 no wireless extensions.
-
- lo no wireless extensions.
+ eth0 no wireless extensions.
+
+ lo no wireless extensions.
Lsusb:
- Bus 001 Device 002: ID 80ee:0021 VirtualBox USB Tablet
- Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
+ Bus 001 Device 002: ID 80ee:0021 VirtualBox USB Tablet
+ Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: innotek GmbH VirtualBox
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-62-generic root=UUID=51deb493-21fe-4016-9855-90d738549bff ro quiet splash crashkernel=384M-:128M crashkernel=384M-:128M vt.handoff=7
RelatedPackageVersions:
- linux-restricted-modules-3.13.0-62-generic N/A
- linux-backports-modules-3.13.0-62-generic N/A
- linux-firmware 1.127.15
+ linux-restricted-modules-3.13.0-62-generic N/A
+ linux-backports-modules-3.13.0-62-generic N/A
+ linux-firmware 1.127.15
RfKill:
-
+
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
-
+
dmi.bios.date: 12/01/2006
dmi.bios.vendor: innotek GmbH
dmi.bios.version: VirtualBox
dmi.board.name: VirtualBox
dmi.board.vendor: Oracle Corporation
dmi.board.version: 1.2
dmi.chassis.type: 1
dmi.chassis.vendor: Oracle Corporation
dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr:
dmi.product.name: VirtualBox
dmi.product.version: 1.2
dmi.sys.vendor: innotek GmbH
--
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/1493943
Title:
Mono reliably crashes on certain multithreaded code in
3.13.0-62-generic
Status in linux package in Ubuntu:
Fix Released
Status in linux-lts-utopic package in Ubuntu:
Invalid
Status in linux source package in Trusty:
In Progress
Status in linux-lts-utopic source package in Trusty:
In Progress
Status in linux source package in Vivid:
In Progress
Bug description:
SRU Justification:
[Impact]
This bug appears to be due to a regression of the fix for:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1450584
Specifically, the edit history for
https://github.com/torvalds/linux/commits/master/arch/x86/kernel/pvclock.c
(one of the files that the parent mentioned needed patching for the
fix) shows that the changes added for the fix were removed one month
later.
[Fix]
$ git describe --contains 73459e2a1ada09a68c02cc5b73f3116fc8194b3d
v4.1-rc2~14^2
[Test Case]
run mono in a multithreaded kvm vm
bug 1450584 has some testcases
--
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-62-generic 3.13.0-62.102
ProcVersionSignature: Ubuntu 3.13.0-62.102-generic 3.13.11-ckt24
Uname: Linux 3.13.0-62-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.12
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: droffel 1829 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Sep 9 10:28:21 2015
HibernationDevice: RESUME=UUID=c916917a-07a8-42ad-807a-b2f7c4ff9807
InstallationDate: Installed on 2015-04-15 (146 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
IwConfig:
eth0 no wireless extensions.
lo no wireless extensions.
Lsusb:
Bus 001 Device 002: ID 80ee:0021 VirtualBox USB Tablet
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: innotek GmbH VirtualBox
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-62-generic root=UUID=51deb493-21fe-4016-9855-90d738549bff ro quiet splash crashkernel=384M-:128M crashkernel=384M-:128M vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-62-generic N/A
linux-backports-modules-3.13.0-62-generic N/A
linux-firmware 1.127.15
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
dmi.bios.date: 12/01/2006
dmi.bios.vendor: innotek GmbH
dmi.bios.version: VirtualBox
dmi.board.name: VirtualBox
dmi.board.vendor: Oracle Corporation
dmi.board.version: 1.2
dmi.chassis.type: 1
dmi.chassis.vendor: Oracle Corporation
dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr:
dmi.product.name: VirtualBox
dmi.product.version: 1.2
dmi.sys.vendor: innotek GmbH
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References
