Re: [Users] Kernel crash when removing vznetdev module
https://bugzilla.openvz.org/show_bug.cgi?id=2487 ? On 01/22/2013 05:33 PM, Benjamin Henrion wrote: Hi, With a RH machine with the stable openvz kernel, I managed to crash the machine with this: root@203 /etc/vz/conf [26]# rmmod vznetdev ERROR: Module vznetdev is in use root@203 /etc/vz/conf [27]# /etc/init.d/vz stop Suspending CT 207 Suspending CT 207 Suspending CT 207 Shutting down CT 207 Bringing down interface venet0:[ OK ] Stopping OpenVZ: [ OK ] root@203 /etc/vz/conf [28]# rmmod vznetdev ERROR: Module vznetdev does not exist in /proc/modules root@203 /etc/vz/conf [29]# /etc/init.d/vz start^C root@203 /etc/vz/conf [29]# vzctl set 207 --onboot no WARNING: Settings were not saved to config (use --save flag) root@203 /etc/vz/conf [30]# vzctl set 207 --onboot no --save CT configuration saved to /etc/vz/conf/207.conf root@203 /etc/vz/conf [31]# /etc/init.d/vz start Starting OpenVZ: [ OK ] Applying OOM adjustments: [ OK ] Bringing up interface venet0: [ OK ] root@203 /etc/vz/conf [32]# rmmod vznetdev root@203 /etc/vz/conf [33]# vzctl start 207 Starting container... Container is mounted Setting CPU units: 1000 - Kernel panic ___ Users mailing list Users@openvz.org https://lists.openvz.org/mailman/listinfo/users
Re: [Users] Kernel crash when removing vznetdev module
On Jan 22, 2013, at 5:33 PM, Benjamin Henrion b...@udev.org wrote: Hi, With a RH machine with the stable openvz kernel, I managed to crash the machine with this: root@203 /etc/vz/conf [26]# rmmod vznetdev ERROR: Module vznetdev is in use root@203 /etc/vz/conf [27]# /etc/init.d/vz stop Suspending CT 207 Suspending CT 207 Suspending CT 207 Shutting down CT 207 Bringing down interface venet0:[ OK ] Stopping OpenVZ: [ OK ] root@203 /etc/vz/conf [28]# rmmod vznetdev ERROR: Module vznetdev does not exist in /proc/modules root@203 /etc/vz/conf [29]# /etc/init.d/vz start^C root@203 /etc/vz/conf [29]# vzctl set 207 --onboot no WARNING: Settings were not saved to config (use --save flag) root@203 /etc/vz/conf [30]# vzctl set 207 --onboot no --save CT configuration saved to /etc/vz/conf/207.conf root@203 /etc/vz/conf [31]# /etc/init.d/vz start Starting OpenVZ: [ OK ] Applying OOM adjustments: [ OK ] Bringing up interface venet0: [ OK ] root@203 /etc/vz/conf [32]# rmmod vznetdev root@203 /etc/vz/conf [33]# vzctl start 207 Starting container... Container is mounted Setting CPU units: 1000 - Kernel panic Not very informative. Where is the kernel log? Anyway, I guess it is already filed: https://bugzilla.openvz.org/show_bug.cgi?id=2487 -- Benjamin Henrion bhenrion at ffii.org FFII Brussels - +32-484-566109 - +32-2-3500762 In July 2005, after several failed attempts to legalise software patents in Europe, the patent establishment changed its strategy. Instead of explicitly seeking to sanction the patentability of software, they are now seeking to create a central European patent court, which would establish and enforce patentability rules in their favor, without any possibility of correction by competing courts or democratically elected legislators. ___ Users mailing list Users@openvz.org https://lists.openvz.org/mailman/listinfo/users ___ Users mailing list Users@openvz.org https://lists.openvz.org/mailman/listinfo/users
Re: [Users] Kernel crash when removing vznetdev module
On Tue, Jan 22, 2013 at 2:57 PM, Vladimir Davydov vdavy...@parallels.com wrote: On Jan 22, 2013, at 5:33 PM, Benjamin Henrion b...@udev.org wrote: Hi, With a RH machine with the stable openvz kernel, I managed to crash the machine with this: root@203 /etc/vz/conf [26]# rmmod vznetdev ERROR: Module vznetdev is in use root@203 /etc/vz/conf [27]# /etc/init.d/vz stop Suspending CT 207 Suspending CT 207 Suspending CT 207 Shutting down CT 207 Bringing down interface venet0:[ OK ] Stopping OpenVZ: [ OK ] root@203 /etc/vz/conf [28]# rmmod vznetdev ERROR: Module vznetdev does not exist in /proc/modules root@203 /etc/vz/conf [29]# /etc/init.d/vz start^C root@203 /etc/vz/conf [29]# vzctl set 207 --onboot no WARNING: Settings were not saved to config (use --save flag) root@203 /etc/vz/conf [30]# vzctl set 207 --onboot no --save CT configuration saved to /etc/vz/conf/207.conf root@203 /etc/vz/conf [31]# /etc/init.d/vz start Starting OpenVZ: [ OK ] Applying OOM adjustments: [ OK ] Bringing up interface venet0: [ OK ] root@203 /etc/vz/conf [32]# rmmod vznetdev root@203 /etc/vz/conf [33]# vzctl start 207 Starting container... Container is mounted Setting CPU units: 1000 - Kernel panic Not very informative. Where is the kernel log? Sorry, I was in SSH, will try to catch the kernel messages. -- Benjamin Henrion bhenrion at ffii.org FFII Brussels - +32-484-566109 - +32-2-3500762 In July 2005, after several failed attempts to legalise software patents in Europe, the patent establishment changed its strategy. Instead of explicitly seeking to sanction the patentability of software, they are now seeking to create a central European patent court, which would establish and enforce patentability rules in their favor, without any possibility of correction by competing courts or democratically elected legislators. ___ Users mailing list Users@openvz.org https://lists.openvz.org/mailman/listinfo/users
