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    SubjectRe: [PATCH 5.4 051/389] epoll: autoremove wakers even more aggressively
    On Wed, Oct 26, 2022 at 11:48:01AM -0700, Shakeel Butt wrote:
    > On Wed, Oct 26, 2022 at 11:44 AM Michele Jr De Candia
    > <mdecandia@gmail.com> wrote:
    > >
    > > Hi Greg,
    > > sorry for the confusion.
    > >
    > > I'm running a container-based app on top of Ubuntu Linux 20.04 and linux kernel 5.4 always updated with latest patches.
    > >
    > > Updating from 5.4.210 to 5.4.211 we faced the hang up issue and searching for the cause we have tested that
    > > hangup occurs only with this patch
    > >
    > > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.4.y&id=cf2db24ec4b8e9d399005ececd6f6336916ab6fc
    > >
    > > While understanding root cause, wt the moment we reverted it and hang up does not occurs (actually we are running 5.4.219 without that patch).
    > >
    > > Michele
    > >
    >
    > Hi Michele, can you try the latest upstream kernel and see if the
    > issue repro ther? Also is it possible to provide a simplified repro of
    > the issue?

    Also is this issue on 5.10.y and 5.15.y?

    thanks,

    greg k-h

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