Re: Stuck IOs with dm-integrity + md raid1 + dm-thin

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On Fri, Dec 1, 2023 at 12:40 AM Eric Wheeler
<dm-devel@xxxxxxxxxxxxxxxxxx> wrote:
>
>
> Here is a reproducer using ram disks, it hangs quickly on my test VM
> with all the kernels I tested.  Here are a few example versions:
>
>  - 6.5.7 vanilla
>  - 5.14.0-362.8.1.el9_3
>  - 5.14.0-162.12.1.el9_1
>
> Watch dmesg and you'll eventually see errors like this:
>
>         device-mapper: integrity: dm-6: Checksum failed at sector 0x17d8
>         md/raid1:md9: dm-6: rescheduling sector 3912
>         md/raid1:md9: redirecting sector 3912 to other mirror: dm-6
>         raid1_read_request: 18950 callbacks suppressed
>

Excellent, thanks.
>
>






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