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    SubjectRe: stalling IO regression since linux 5.12, through 5.18


    On Wed, Aug 17, 2022, at 12:30 PM, Jan Kara wrote:

    > BTW, are you sure the first problematic kernel is 5.12?

    100%

    It consistently reproduces with any 5.12 series kernel, including from c03c21ba6f4e which is before rc1. It's frustrating that git bisect produces kernels that won't boot, I was more than half way through! :D And could have been done by now...

    We've been running on 5.11 series kernels for a year because of this problem.


    > BTW that may be an
    > interesting thing to try: Can you boot with
    > "megaraid_sas.host_tagset_enable = 0" kernel option and see whether the
    > issue reproduces?

    Yep.

    --
    Chris Murphy

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