at 3:41 PM, Klaus Jensen <i...@irrelevant.dk> wrote: > On Jul 26 15:35, Jinhao Fan wrote: >> at 4:55 AM, Klaus Jensen <i...@irrelevant.dk> wrote: >> >>> We have a regression following this patch that we need to address. >>> >>> With this patch, issuing a reset on the device (`nvme reset /dev/nvme0` >>> will do the trick) causes QEMU to hog my host cpu at 100%. >>> >>> I'm still not sure what causes this. The trace output is a bit >>> inconclusive still. >>> >>> I'll keep looking into it. >> >> I cannot reproduce this bug. I just start the VM and used `nvme reset >> /dev/nvme0`. Did you do anything before the reset? > > Interesting and thanks for checking! Looks like a kernel issue then! > > I remember that I'm using a dev branch (nvme-v5.20) of the kernel and > reverting to a stock OS kernel did not produce the bug.
I’m using 5.19-rc4 which I pulled from linux-next on Jul 1. It works ok on my machine.