Date: Sat, 27 Jun 2020 07:45:34 +0000 From: myfreeweb <greg@unrelenting.technology> To: freebsd-current@freebsd.org, "Hartmann, O." <ohartmann@walstatt.org> Subject: Re: weird Ctrl-T debug messages Message-ID: <51032BAE-9E11-4818-87E2-431859C2E728@unrelenting.technology> In-Reply-To: <20200627090406.68b5d637@hermann.fritz.box> References: <20200627090406.68b5d637@hermann.fritz.box>
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On June 27, 2020 7:04:06 AM UTC, "Hartmann, O=2E" <ohartmann@walstatt=2Eor= g> wrote: >Running poudriere on recent CURRENT with (recent) 12-STABLE and CURRENT >jails reveals a weird behaviour recently when hitting Ctrl-T: > >[=2E=2E=2E] > >[13:37:48] [01] [00:00:00] Building databases/sqlitestudio | >sqlitestudio-3=2E2=2E1=2E1002 load: 26=2E95 cmd: sh 99331 [piperd] 49375= =2E18r >0=2E59u 0=2E59s 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=2Etty_info_kstacks now being on by default in current=2E It's ve= ry useful (not when running poudriere, but when investigating hanging progr= ams) and I probably wouldn't have ever discovered it without the commit mak= ing it default=2E
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