Re: [gentoo-user] USB printing broken in kernel 4.14.52?

[Peter Humphrey]

On Sunday, 22 July 2018 09:56:12 BST Peter Humphrey wrote:
> On Sunday, 15 July 2018 10:36:32 BST Peter Humphrey wrote:
> > Hello list,
> >
> > Since upgrading sys-kernel/gentoo-sources from 4.9.95 to 4.14.52, I now
> > get
> > an error when trying to attach my trusty old Kyocera-Mita FS1020-D. Dmesg
> > finds it, lsusb lists it, but when I use the KDE printer applet to add it,
> > it isn't detected and the cups log shows "Unable to execute ippfind
> > utility: No such file or directory".
> >
> > Reverting to 4.9.95 enables printing as usual. Is this a bug in 4.14.52,
> > or
> > have I misconfigured something?
>
> I've just noticed this on vt1 during boot:
>
> /lib64/rc/sh/rc-cgroup.sh: line 108: /sys/fs/cgroup/openrc/cupsd/tasks: No
> such file or directory
>  * Starting cupsd ...                                               [ ok ]
>
> I can't see anything wrong in the cgroups kernel config, and I'm fairly sure
> I didn't make any changes in oldconfig during upgrade from 4.9.95 to
> 4.14.52.
>
> Does this prompt an ah-ha! moment?

I tried setting CONFIG_CGROUP_DEVICE=y, and that silenced the boot-time 
warning, but I still don't get any printed output.

-- 
Regards,
Peter.