On Fri, Oct 21, 2022 at 09:07:50AM -0400, Peter Geis wrote: > Good Morning Heiko, > > Apologies for just getting to this, I'm still in the middle of moving > and just got my lab set back up. > > I've tested this patch series and it leads to the same regression with > NVMe drives. A loop of md5sum on two identical 4GB random files > produces the following results: > d11cf0caa541b72551ca22dc5bef2de0 test-rand.img > fad97e91da8d4fd554c895cafa89809b test-rand2.img > 2d56a7baa05c38535f4c19a2b371f90a test-rand.img > 74e8e6f93d7c3dc3ad250e91176f5901 test-rand2.img > 25cfcfecf4dd529e4e9fbbe2be482053 test-rand.img > 74e8e6f93d7c3dc3ad250e91176f5901 test-rand2.img > b9637505bf88ed725f6d03deb7065dab test-rand.img > f7437e88d524ea92e097db51dce1c60d test-rand2.img > > Before this patch series: > d11cf0caa541b72551ca22dc5bef2de0 test-rand.img > d11cf0caa541b72551ca22dc5bef2de0 test-rand2.img > d11cf0caa541b72551ca22dc5bef2de0 test-rand.img > d11cf0caa541b72551ca22dc5bef2de0 test-rand2.img > d11cf0caa541b72551ca22dc5bef2de0 test-rand.img > d11cf0caa541b72551ca22dc5bef2de0 test-rand2.img > d11cf0caa541b72551ca22dc5bef2de0 test-rand.img > d11cf0caa541b72551ca22dc5bef2de0 test-rand2.img > > Though I do love where this patch is going and would like to see if it > can be made to work, in its current form it does not. Thanks for the test. Can you please also test v1? Also please share lspci -vvv of your nvme drive, so that we can see allocated address ranges, etc. kind regards, o. > Very Respectfully, > Peter Geis
