On Sat, Feb 16, 2019 at 04:26:30PM +0000, Nix wrote: > So I just tried to connect up to my ancient Soekris firewall's serial > console to try to bisect a problem where it stopped booting in 4.20, and > found I couldn't. > > minicom says: > > minicom: cannot open /dev/ttyUSB0: Input/output error > > and in the dmesg we see > > [705576.028170] pl2303 ttyUSB0: failed to submit interrupt urb: -28 > > Booting to 4.19, everything works fine. (A random GalliumOS Chromebook > running 4.9.4 works fine too, not that that confirmation is terribly > useful.) > > This is an extremely preliminary report in case it's instantly obvious > what's going on: I'll do enough investigation to produce an actually > useful bug report, including bisecting this, after I've bisected the > *other* non-booting bug, but that might not be until next weekend. (All > this for a firewall I was trying to decommission! bah :) ) bisection would be great, thanks! greg k-h
