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ZZZzzz…) 2016-06-03T18:51:10Z eschatologist joined #sbcl 2016-06-03T19:17:14Z shka joined #sbcl 2016-06-03T19:23:40Z scymtym quit (Ping timeout: 252 seconds) 2016-06-03T19:46:53Z milanj quit (Quit: Leaving) 2016-06-03T19:58:03Z jasom: Is strace expected to work on sbcl? I've never had any issues but TruePika who is trying to diagnose a crash in alien code can't even get a working REPL under strace 2016-06-03T20:17:48Z fe[nl]ix: it should work, but better start sbcl then attach strace and run the crashing code 2016-06-03T20:18:42Z DeadTrickster: I used strace. it should work 2016-06-03T20:26:49Z jasom: fe[nl]ix: you suggest attaching just because of performance, not because e.g. loading quicklisp will crash sbcl, right? 2016-06-03T20:27:07Z TruePika joined #sbcl 2016-06-03T20:27:15Z TruePika: but it isn't working over here 2016-06-03T20:27:23Z TruePika: (yes I'm the one with strace issues) 2016-06-03T20:27:45Z scymtym joined #sbcl 2016-06-03T20:27:46Z TruePika: lisp_memory_fault_error gets invoked 2016-06-03T20:29:41Z TruePika: not even the binary from sbcl.org works on here under strace 2016-06-03T20:35:19Z TruePika: The absolute root problem I'm having is some code I wrote crashing (exit 1, no message about it, exit not from runtime) when run under --script but not when run otherwise 2016-06-03T20:36:00Z TruePika: * toplevel --script, not just runtime --script which does toplevel as well 2016-06-03T20:36:30Z shka quit (Ping timeout: 276 seconds) 2016-06-03T20:36:48Z TruePika: I suspect some relation to libxml2 (via cl-libxml2), and now possibly a GC relation 2016-06-03T20:37:07Z TruePika: (there are some lockups during GC, backtraces via gdb report) 2016-06-03T20:38:31Z TruePika: but I get _no issues_ (aside from my own code) when I e.g. --load; even with --no-userinit --no-sysinit 2016-06-03T20:39:31Z TruePika: IIRC specifying all of the options that runtime --script implies (aside from toplevel --script and using --load instead) results in no crash, but using --script instead does. 2016-06-03T20:40:32Z TruePika: I'm going to see what happens now if I remove the --disable-ldb --disable-debugger implications from --script 2016-06-03T20:42:06Z TruePika: best case ldb gets invoked 2016-06-03T20:57:49Z fe[nl]ix: jasom: because if you run sbcl under strace, the repl output and the strace output will mix and much confusion will ensue 2016-06-03T20:58:47Z jasom: fe[nl]ix: strace -o is the solution 2016-06-03T21:05:54Z eudoxia_ joined #sbcl 2016-06-03T21:06:28Z eudoxia quit (Read error: Connection reset by peer) 2016-06-03T21:09:01Z TruePika: ...okay... 2016-06-03T21:09:27Z TruePika: this hasn't crashed yet; I disabled --script disabling the debuggers 2016-06-03T21:09:38Z nzambe quit (Remote host closed the connection) 2016-06-03T21:14:46Z TruePika: yeah it normally would have crashed by now 2016-06-03T21:15:10Z TruePika: Debugger hasn't even been invoked, despite it being enabled 2016-06-03T21:15:49Z TruePika: but normally (without this SBCL hack) I would have had a silent exit with status 1 by now 2016-06-03T21:16:30Z TruePika: Bike: I _did_ test this with --disable-debugger --load, right? I'm fairly sure I had, do you remember? 2016-06-03T21:17:23Z TruePika: meh, might as well retest anyway 2016-06-03T21:17:29Z Bike: "okay, so I just got a crash with --noinform --disable-ldb --lose-on-corruption --end-runtime-options --disable-debugger --no-userinit --no-sysinit --load" 2016-06-03T21:17:55Z xristos joined #sbcl 2016-06-03T21:17:57Z TruePika: oh, hm 2016-06-03T21:18:12Z TruePika: then why the heck did I start thinking --script was responsible 2016-06-03T21:18:37Z TruePika: ...aside from it doing --disable-ldb --disable-debugger 2016-06-03T21:19:07Z Bike: you did this after you thought it was --script. 2016-06-03T21:19:41Z TruePika: last night I was messing around with the --script code, though 2016-06-03T21:19:50Z TruePika: and I didn't do any long-command testing today 2016-06-03T21:19:56Z Bike: yeah, you sort of acted like you forgot about it? beats me. 2016-06-03T21:20:52Z TruePika: I wonder if I can disable --disable-debugger disabling ldb... 2016-06-03T21:21:12Z TruePika: (for a test without the Lisp debugger but still with ldb) 2016-06-03T21:25:03Z TruePika: Building SBCL with permanant ldb 2016-06-03T21:47:09Z TruePika: just crashed... 2016-06-03T21:47:13Z TruePika: ...I got a theory 2016-06-03T21:47:58Z TruePika: The code in one of my threads issued an unhanded ERROR, there was a message that --disable-debugger mode was active, "quitting" 2016-06-03T21:48:18Z TruePika: some time later, SBCL quit with status 1 2016-06-03T21:48:54Z TruePika: I would have thought just the one thread would quit 2016-06-03T21:50:09Z TruePika: Let's see, (FAILURE-QUIT)... 2016-06-03T21:51:25Z TruePika: ...(EXIT :CODE 1 :ABORT NIL)... 2016-06-03T21:52:10Z TruePika: ...now what is *EXIT-TIMEOUT* set to... 2016-06-03T21:52:24Z TruePika: 60 2016-06-03T21:53:27Z TruePika: So apparently, if _any_ thread gets an error passed to the debugger, if --disable-debugger is in place, 60 seconds later, everything dies. 2016-06-03T21:53:49Z TruePika: How are other threads supposed to get notified of this, it doesn't appear (to me) as if they are? 2016-06-03T21:59:28Z TruePika left #sbcl 2016-06-03T22:16:50Z eschatologist quit (Ping timeout: 260 seconds) 2016-06-03T22:25:31Z angavrilov quit (Remote host closed the connection) 2016-06-03T22:35:48Z gingerale quit (Remote host closed the connection) 2016-06-03T22:50:05Z scymtym quit (Ping timeout: 250 seconds) 2016-06-03T23:03:47Z eudoxia_ quit (Remote host closed the connection) 2016-06-03T23:35:07Z eschatologist joined #sbcl 2016-06-03T23:39:14Z eschatologist quit (Client Quit) 2016-06-03T23:51:58Z guicho joined #sbcl