Control: tag -1 moreinfo > > On 8 Jun 2013 09:32:48 +0100 Robert de Bath <robert$@debath.co.uk> wrote: > > > Package: linux-image-686-pae > > > > > > On current Debian kernels the the WCHAN column for procps is NOT > > > working. > > > Run this command: > > > # cat /proc/*/wchan > > > > > > For current Debian kernels you get all zeros > > > > # cat /proc/*/wchan > > do_epoll_waitdo_selectdo_sys_polldo_sys_polldo_epoll_waitdo_epoll_waitdo_s > > elect > > > > [IOW: working for me on an amd64 5.18.2-1 kernel] > > I was able to narrow this down a bit with snapshots of each release: > > - broken in squeeze, wheezy, and jessie > - partly fixed in stretch and buster (wchan shows function names for > most sleeping threads, subject to privilege check) > - broken again in bullseye > - fully fixed in 5.16.14-1 (wchan shows function names for all sleeping > threads, subject to privilege check) > > Given that, I think this can be closed with version 5.16.14-1. Robert: can you confirm that the issue is fixed for you with a 5.16.14-1 kernel or later? Currently, Stable Backports has version 5.16.12-1~bpo11+1, which should still have the issue, but IIUC a new Stable Backports kernel is in the works.
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