[Kernel-packages] [Bug 1942935] Re: kernel io hangs during mdcheck/resync

I was able to reproduce the hang problem using the script mdhang.sh (modified for my raid device location) on 22.04 with kernel 5.15 several times, usually within 10-15 minutes. Using 22.04 hwe kernel 6.5 I was not able to reproduce the problem with a 25+ hours run of the same script. Seems someth

[Kernel-packages] [Bug 1942935] Re: kernel io hangs during mdcheck/resync

I hit his bug as well in Ubuntu 22.04 with kernel 5.15.0-67-generic We have a single RAID 5 on 3 drives for 28T. I'm switching to the workaround from comment #5. Jun 4 12:48:11 server1 kernel: [1622699.548591] INFO: task md0_raid5:406 blocked for more than 120 seconds. Jun 4 12:48:11 server1