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    SubjectRe: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!


    On Tue, Jul 26, 2022, at 3:19 PM, Chris Murphy wrote:
    > On Tue, Jul 26, 2022, at 12:42 PM, David Sterba wrote:
    >> On Tue, Jul 26, 2022 at 05:32:54PM +0500, Mikhail Gavrilov wrote:
    >>> Hi guys.
    >>> Always with intensive writing on a btrfs volume, the message "BUG:
    >>> MAX_LOCKDEP_CHAIN_HLOCKS too low!" appears in the kernel logs.
    >>
    >> Increase the config value of LOCKDEP_CHAINS_BITS, default is 16, 18
    >> tends to work.
    >
    > Fedora is using 17. I'll make a request to bump it to 18. Thanks.

    Should it be 18 across all archs? Or is it OK to only bump x86_64?

    --
    Chris Murphy

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