| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc> |
| Cc: | Andres Freund <andres(at)2ndquadrant(dot)com>, pgsql-hackers(at)postgresql(dot)org, Robert Haas <robertmhaas(at)gmail(dot)com> |
| Subject: | Re: random failing builds on spoonbill - backends not exiting... |
| Date: | 2012-06-22 21:02:42 |
| Message-ID: | 19247.1340398962@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc> writes:
> On 06/22/2012 09:39 PM, Tom Lane wrote:
>> (Hey Stefan, is there a way on BSD to check a process's signals-blocked
>> state from outside? If so, next time this happens you should try to
>> determine the children's signal state.)
> with help from RhodiumToad on IRC:
> # ps -o pid,sig,sigcatch,sigignore,sigmask,command -p 12480
> PID PENDING CAUGHT IGNORED BLOCKED COMMAND
> 12480 20004004 34084005 c942b002 fffefeff postgres: writer process
> (postgres)
> # ps -o pid,sig,sigcatch,sigignore,sigmask,command -p 9841
> PID PENDING CAUGHT IGNORED BLOCKED COMMAND
> 9841 20004004 34084007 c942b000 fffefeff postgres: wal writer process
> (postgres)
Well, the nonzero PENDING masks sure look like a smoking gun, but why
are there multiple pending signals? And I'm not sure I know OpenBSD's
signal numbers by heart. Could you convert those masks into text signal
name lists for us?
regards, tom lane
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