Re: [dm-devel] A hang bug of dm on s390x

2023-02-16 Thread Pingfan Liu
Hi Ming, Thank you for looking into this. let me loop in Alasdair, Mike and Zdenek for further comment on LVM stuff Thanks, Pingfan On Thu, Feb 16, 2023 at 8:08 AM Ming Lei wrote: > > On Wed, Feb 15, 2023 at 07:23:40PM +0800, Pingfan Liu wrote: > > Hi guys, > > > &g

[dm-devel] A hang bug of dm on s390x

2023-02-16 Thread Pingfan Liu
Hi guys, I encountered a hang issue on a s390x system. The tested kernel is not preemptible and booting with "nr_cpus=1" The test steps: umount /home lvremove /dev/rhel_s390x-kvm-011/home ## uncomment "snapshot_autoextend_threshold = 70" and "snapshot_autoextend_percent