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SubjectRe: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
On Tue, Jul 26, 2022 at 03:21:32PM -0400, Chris Murphy wrote:
>
>
> 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?

I think it applies to all achritectures equally but I'm no lockdep
expert.

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