Re: Write I/O queue hangup at random on recent Linus' kernels

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On Thu, 25 Nov 2021, Jens Axboe wrote:

>>> echo 0 > /sys/block/nvme0n1/queue/wbt_lat_usec

>> It's been about 48 hours and haven't seen the issue since doing this.

> Great, thanks for verifying. From your report 5.16-rc2 has the issue, is
> 5.15 fine?

I can check that out sometime in the next few days, but IIRC I pretty sure the
issue hadn't surfaced before the 3rd or 4th of November. I pull from master
at least every 2-3 days, so there's at least a timeframe.

	-Kenny

-- 
Kenneth R. Crudup / Sr. SW Engineer, Scott County Consulting, Orange County CA



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