Alexander Mikhalitsyn

Results 325 comments of Alexander Mikhalitsyn

Okay. Good news is that `MADV_GUARD_INSTALL` stuff works just fine on 6.16, and bad is that we have https://github.com/checkpoint-restore/criu/issues/2705 :D

Hi @Qubitium, Thanks a lot for reporting this issue to us! Maybe my question sounds unrelated but, are you using ZFS? If yes, then your case looks similar to https://github.com/lxc/lxcfs/issues/644...

>I am using zfs but I did not get the same kernel crashes as posted in the zfs github issue. yeah, that issue reported also have not experiencing crashes until...

Hey @Qubitium, if you are still on a Ubuntu Noble's default kernel you can also try to enable [KFENCE](https://docs.kernel.org/dev-tools/kfence.html) detector as it *may* (if we are lucky enough) help to...

> @mihalicyn Thanks for the tips. Can I combine with KFENCE with SLUB debug? Can they coexist peacefully? yes, absolutely!

Hi @Qubitium, I was contacted by Ubuntu kernel team folks and asked if we can somehow help with validation of a new ZFS package in Ubuntu. See https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/2077926 As you...

Sounds very-very serious. It means that even upstream ZFS is still not fully safe to be used with recent kernels. Please, ensure that ZFS developers are aware of this.

No new replies since Apr 2024. Closing for now. Feel free to reopen if it is still actual.

@luke-jr which distribution of Linux you are using inside the container? At the moment, CRIU not supports several UTS namespaces.

@luke-jr We already meet the problem with the latest Ubuntu. Newer versions of default systemd (or some other default services) use separate UTS namespace. I will provide patches to support...