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    SubjectRe: upstream kernel crashes
    Hi,

    On Mon, Aug 15, 2022, at 00:29, Michael S. Tsirkin wrote:
    > On Mon, Aug 15, 2022 at 12:11:43AM -0700, Andres Freund wrote:
    >> Hi,
    >>
    >> On 2022-08-14 20:18:44 -0700, Linus Torvalds wrote:
    >> > On Sun, Aug 14, 2022 at 6:36 PM Andres Freund <andres@anarazel.de> wrote:
    >> > >
    >> > > Some of the symptoms could be related to the issue in this thread, hence
    >> > > listing them here
    >> >
    >> > Smells like slab corruption to me, and the problems may end up being
    >> > then largely random just depending on who ends up using the allocation
    >> > that gets trampled on.
    >> >
    >> > I wouldn't be surprised if it's all the same thing - including your
    >> > network issue.
    >>
    >> Yea. As I just wrote in
    >> https://postgr.es/m/20220815070203.plwjx7b3cyugpdt7%40awork3.anarazel.de I
    >> bisected it down to one commit (762faee5a267). With that commit I only see the
    >> networking issue across a few reboots, but with ebcce4926365 some boots oops
    >> badly and other times it' "just" network not working.
    >>
    >>
    >> [oopses]

    >> If somebody knowledgeable staring at 762faee5a267 doesn't surface somebody I
    >> can create a kernel with some more debugging stuff enabled, if somebody tells
    >> me what'd work best here.
    >>
    >>
    >> Greetings,
    >>
    >> Andres Freund
    >
    > Thanks a lot for the work!
    > Just a small clarification:
    >
    > So IIUC you see several issues, right?

    Yes, although they might be related, as theorized by Linus upthread.

    > With 762faee5a2678559d3dc09d95f8f2c54cd0466a7 you see networking issues.

    Yes.


    > With ebcce492636506443e4361db6587e6acd1a624f9 you see crashes.

    Changed between rebooting. Sometimes the network issue, sometimes the crashes in the email you're replying to.


    > MST

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