weird Ctrl-T debug messages

myfreeweb greg at unrelenting.technology
Sat Jun 27 07:45:47 UTC 2020



On June 27, 2020 7:04:06 AM UTC, "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:
>
>[...]
>
>[13:37:48] [01] [00:00:00] Building databases/sqlitestudio |
>sqlitestudio-3.2.1.1002 load: 26.95  cmd: sh 99331 [piperd] 49375.18r
>0.59u 0.59s 0% 2144k #0 0xffffffff80924ace at mi_switch+0xbe
>#1 0xffffffff809781d4 at sleepq_catch_signals+0x4a4
>#2 0xffffffff80977d19 at sleepq_wait_sig+0x9
>#3 0xffffffff809241ad at _sleep+0x1ad
>#4 0xffffffff8098ae5a at pipe_read+0x43a
>#5 0xffffffff80987a85 at dofileread+0x85
>#6 0xffffffff8098766f at sys_read+0xcf
>#7 0xffffffff80d70229 at amd64_syscall+0x119
>#8 0xffffffff80d47bf0 at fast_syscall_common+0x101
>
>Is this debug fallout from /bin/sh?

Haha, no (how would /bin/sh affect all programs?)

It's kern.tty_info_kstacks now being on by default in current. It's very useful (not when running poudriere, but when investigating hanging programs) and I probably wouldn't have ever discovered it without the commit making it default.


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