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
