Monday, 2020-07-06

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kata-irc-bot<archana.m.shinde> @fidencio Let me take a look at that17:14
kata-irc-bot<archana.m.shinde> I am trying to follow up on the simv2 gaps that we have with crio this week17:14
kata-irc-bot<fidencio> Sure!17:15
kata-irc-bot<archana.m.shinde> @fidencio I see you raised this PR: https://github.com/cri-o/cri-o/pull/3924/commits/a05b3dd1b8ec70230cdfcef7a27cfad462b5523417:17
kata-irc-bot<fidencio> Yep, that should fix the issue reported by @rlk about the shimv2 + crio leaving processes behind17:20
kata-irc-bot<fidencio> Mind tho that my main focus is close the gaps with 1.x branches17:21
kata-irc-bot<fidencio> As using 2.x is out of question for us17:21
kata-irc-bot<fidencio> At least for now :slightly_smiling_face:17:21
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kata-irc-bot<archana.m.shinde> sure makes sense17:40
kata-irc-bot<saini.paramdeep> Hi All, I have  a question on kata containers. I am running Kata containers in priv mode. When I m trying to set sysrq-trigger using echo b > /proc/sysrq-trigger, pod becomes unresponsive but kubernetes still shows it is in running mode. Is there a way to restart Kata VM from inside the kata containers. I have a requirement to reset the kata pod from kata container on certain situations.19:06
devimc@saini.paramdeep no, that's not possible19:19
kata-irc-bot<saini.paramdeep> @julio.montes thanks for the reply. It seems at this moment it is not possible. What I found Kata VM is unreachable after setting the trigger. We need a mechanism to inform kubernetes that Kata pod or VM is down and it should reset the env. However, I also observed that if Kata VM is down but not restarted.19:23
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devimc@saini.paramdeep what do you mean with "down"? is QEMU running ?19:37
kata-irc-bot<saini.paramdeep> Yes, Qemu is running but Kata VM is unreachable19:56
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devimc@saini.paramdeep ok, then we need a "keep alive" mechanism20:35
kata-irc-bot<archana.m.shinde> @fidencio We have been using the Redhat maintained repo for virtiofs so far: https://gitlab.com/virtio-fs/qemu/-/commits/virtio-fs/20:37
kata-irc-bot<archana.m.shinde> Looks like qemu 5.0 has virtiofsd changes, was thinking to switch to qemu 5.0 for virtiofs support since we have already switched to that version with 9p20:39
kata-irc-bot<archana.m.shinde> question: are there any outstanding changes in the RH branch that are not part of qemu 5.0?20:40
kata-irc-bot<archana.m.shinde> @fidencio ^20:41
kata-irc-bot<saini.paramdeep> @archana.m.shinde I have a stateful app and there are situations when we need to reset the VM to avoid data corruption.20:46
kata-irc-bot<saini.paramdeep> I do understand there is more work required to address this. As of now enabled sysrq triger in Guest VM kernel and I am not sure why resetting the sysrq will not restart the VM but it makes it unreachable.20:47
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