On Thu, Sep 1, 2022, at 3:02 AM, Yu Kuai wrote: > Hi, Chris >> Also follows another patch merged to v5.18 and it fixes io stall too, feel free to test it: >> >> 8f5fea65b06d blk-mq: avoid extending delays of active hctx from blk_mq_delay_run_hw_queues > > Have you tried this patch? The problem happens on 5.18 series kernels. But takes longer. Once I regain access to this setup, I can try to reproduce on 5.18 and 5.19, and provide block debugfs logs. -- Chris Murphy