Hi, according to the description the update openSUSE-2020-2091 for Leap 15.2: https://lists.opensuse.org/archives/list/updates@lists.opensuse.org/thread/C... ... - Remove mq-deadline selection from 60-io-scheduler.rules (bsc#1177490) according to the rpm changelog rpm -q --changelog udev-234-lp152.31.16.1.x86_64 |less this change was already done in October, * Di Okt 20 2020 Andreas Herrmann <aherrmann@suse.com> - Remove mq-deadline selection from 60-io-scheduler.rules but after the Update /usr/lib/udev/rules.d/60-io-scheduler.rules rpm -qf /usr/lib/udev/rules.d/60-io-scheduler.rules udev-234-lp152.31.16.1.x86_64 looks unchanged, especially: tail /usr/lib/udev/rules.d/60-io-scheduler.rules # MQ: BFQ scheduler for HDD ENV{.IS_MQ}=="1", ATTR{queue/rotational}!="0", ATTR{queue/scheduler}="bfq" # Non-MQ: CFQ scheduler for HDD ENV{.IS_MQ}!="1", ATTR{queue/rotational}!="0", ATTR{queue/scheduler}="cfq" # Non-MQ: deadline scheduler for SSD ENV{.IS_MQ}!="1", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="deadline" LABEL="scheduler_end" Was this change accidentally left out from the update? The related bug (bsc#1177490) is not accessible. Regards, Dieter