Messages in this thread | | | Date | Thu, 9 May 2024 09:36:28 +0300 | Subject | Re: WQ_UNBOUND workqueue warnings from multiple drivers | From | Sagi Grimberg <> |
| |
On 09/05/2024 2:16, Kamaljit Singh wrote: > Sagi, > >> Does this happen with a 90-%100% read workload? > Yes, we’ve now seen it with 100% reads as well. Here’s the Medusa cmd we used. I’ve removed the devices for brevity. > sudo /opt/medusa_labs/test_tools/bin/maim 20g -b8K -Q128 -Y1 -M30 --full-device -B3 -r -d900000 <device_list> > > We saw the original issue with the upstream kernel v6.6.21. But now we’re also seeing it with Ubuntu 24.04 (kernel 6.8.0-31-generic), where IOs are timing out and forcing connection drops.
Thanks for the info.
> > >> Question, are you working with a Linux controller? > No, with our ASIC (NVMe Fabrics bridge). > >> what is the ctrl ioccsz? > ioccsz : 4
I see, what is the mdts? and what are the r2t lengths the controller is sending to the host?
| |