[Bug 1764246] Re: kdump kernel panics on Bionic

2019-09-30 Thread C de-Avillez
I had two up-to-date Azure instances (16.04 and 18.04) where Linux- crashdump was installed. Both failed, with the following being shown at the end of the serial console: [ OK ] Started Dispatch Password Requests to Console Directory Watch. [ OK ] Reached target Local Encrypted Volumes. [ 18

[Bug 1764246] Re: kdump kernel panics on Bionic

2019-07-24 Thread Brad Figg
** Tags added: cscc -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1764246 Title: kdump kernel panics on Bionic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+sourc

[Bug 1764246] Re: kdump kernel panics on Bionic

2019-01-30 Thread Guilherme G. Piccoli
OK, so it seems it's really the minimum of reserved memory kernel needs in Bionic that is affecting the success of kdump here. Thanks for the report Gaëtan -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bug

[Bug 1764246] Re: kdump kernel panics on Bionic

2019-01-30 Thread Gaëtan Trellu
By increasing the size reserved to 256MB it's working. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1764246 Title: kdump kernel panics on Bionic To manage notifications about this bug go to: https

[Bug 1764246] Re: kdump kernel panics on Bionic

2019-01-30 Thread Gaëtan Trellu
I got the same behavior on Xenial with kernel 4.15.0-43-generic. [4.598980] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [4.601946] Kernel panic - not syncing: Out of memory and no killable processes... [4.601946] [4.605054] CPU: 0 PID: 1 Comm

[Bug 1764246] Re: kdump kernel panics on Bionic

2018-10-25 Thread Thadeu Lima de Souza Cascardo
The OOM seems to be happening during initrd decompression. That has been observed before and also in Cosmic. I want to reduce the initrd footprint in case framebuffer drivers are included, which might happen when cryptsetup or plymouth are installed. On the other hand, just incrementing the reserv

[Bug 1764246] Re: kdump kernel panics on Bionic

2018-09-27 Thread Guilherme G. Piccoli
I tried here with a Bionic VM (kernel 4.15.0-34) and kdump worked fine, using the default config (128M reserved for the crash kernel). I'll try to mimic the HW of Daniel's guest and perhaps the kernel version, although it's super old and seems not available anymore. @Paul, perhaps worth for you

[Bug 1764246] Re: kdump kernel panics on Bionic

2018-09-26 Thread Janghoon-Paul Sim
A console screen when I triggered. ** Attachment added: "trigger.png" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1764246/+attachment/5193476/+files/trigger.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs

[Bug 1764246] Re: kdump kernel panics on Bionic

2018-09-26 Thread Janghoon-Paul Sim
kdump is not still working on 18.04. Kernel : 4.15.0-34-generic linux-crashdump : 4.15.0.34.36 ubuntu@u-VM-07:~$ cat /var/crash/kexec_cmd /sbin/kexec -p --command-line="BOOT_IMAGE=/boot/vmlinuz-4.15.0-34-generic root=UUID=51adaf62-9023-4c45-bf94-889906e3d2d2 ro net.ifnames=0 biosdevname=0 nr_cp

[Bug 1764246] Re: kdump kernel panics on Bionic

2018-06-03 Thread benshushu
i also see the kdump cannot work on 18.04 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1764246 Title: kdump kernel panics on Bionic To manage notifications about this bug go to: https://bugs.launc

[Bug 1764246] Re: kdump kernel panics on Bionic

2018-04-16 Thread Joseph Salisbury
** Changed in: linux (Ubuntu) Importance: Undecided => High ** Also affects: linux (Ubuntu Bionic) Importance: High Status: Confirmed ** Tags added: kernel-da-key -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://b