On 6/27/20 2:59 AM, Michael Gmelin wrote: > > > On Sat, 27 Jun 2020 12:06:17 +0300 > Andriy Gapon <avg_at_FreeBSD.org> wrote: > >> On 27/06/2020 10:44, Li-Wen Hsu wrote: >>> On Sat, Jun 27, 2020 at 3:04 PM Hartmann, O. >>> <ohartmann_at_walstatt.org> wrote: >>>> >>>> Running poudriere on recent CURRENT with (recent) 12-STABLE and >>>> CURRENT jails reveals a weird behaviour recently when hitting >>>> Ctrl-T: >>> ... >>>> Is this debug fallout from /bin/sh? >>> >>> It's because kern.tty_info_kstacks is on by default now: >>> >>> https://svnweb.freebsd.org/changeset/base/362141 >> >> May I suggest that the stack trace is printed procstat -kk style >> (single line) ? I think that the more compact output would be more >> convenient. > > It's a cool feature and having it on by default on CURRENT certainly > helps to discover it, which is great. Thanks for implementing this! > > I wouldn't enable it by default on RELEASE versions though, as CTRL-T > is a user interface to get status information (at least this is how I > use it personally, e.g., while running commands like dd[0], cp, mv, > poudriere etc.), not for getting debug output. I agree with this. > Question: Speaking of discovering the feature, wouldn't it make sense > to document this tunable on the stack(9) and/or tty(4) man page(s)? This sounds like a great idea. Would you able to come up with a patch? I'd be happy to review it. -- John BaldwinReceived on Sat Jun 27 2020 - 11:21:18 UTC
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