Thank you very much for pointing this out Dmitry! We will work in the inclusion of this fix ASAP. Cheers, Guilherme On Wed, Jan 30, 2019 at 12:08 PM Dmitry Safonov <dima@xxxxxxxxxx> wrote: > > +To: Ubuntu kernel folks from canonical git > > Please, make sure you have fix for the user-visible regression: > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d3736d82e816 > > I've glanced your backports and do not see it there: > https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/ > > On 1/30/19 6:45 AM, md_5 wrote: > > Hi Jiri, > > > > Thanks for the super quick reply! > > It looks like Ubuntu is indeed missing this commit. > > > > It contains the earlier 83d817f41070c48bc3eb7ec18e43000a548fca5c and > > cf62a1a13749db0d32b5cdd800ea91a4087319de commits, but not the commit > > you mention (from early this month). > > > > I guess I will try and pull this commit into Ubuntu and work with them > > to get it out, assuming it all works. > > > > Thanks again for the response. > > > > Michael > > > > On Wed, 30 Jan 2019 at 17:36, Jiri Slaby <jslaby@xxxxxxx> wrote: > >> > >> On 30. 01. 19, 7:28, md_5 wrote: > >>> All, > >>> > >>> I have spent the afternoon trying to track down a regression in a > >>> userspace application between: > >>> 4.15.0-43-generic #46-Ubuntu SMP Thu Dec 6 14:45:28 UTC 2018 > >>> and > >>> 4.15.0-44-generic #47-Ubuntu SMP Mon Jan 14 11:26:59 UTC 2019 > >>> > >>> After some investigation, I believe > >>> https://github.com/torvalds/linux/commit/c96cf923a98d1b094df9f0cf97a83e118817e31b > >>> "tty: Don't block on IO when ldisc change is pending" is the cause of > >>> this regression. > >> > >> Please make sure you have also d3736d82e8169768218ee0ef68718875918091a0 > >> applied. It fixes exactly this kind of problems. Do you have the commit? > >> > >> thanks, > >> -- > >> js > >> suse labs > > > > > > Thanks for the report, > Dmitry
