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Re: Build status for debian pspp package 0.8.3-1.2

From: Friedrich Beckmann
Subject: Re: Build status for debian pspp package 0.8.3-1.2
Date: Sun, 17 Aug 2014 21:48:26 +0200

Ben! You are digging deep in the dirt thereā€¦ Anything I could do? 


Am 17.08.2014 um 21:25 schrieb Ben Pfaff <address@hidden>:

On Sun, Aug 17, 2014 at 11:48:02AM -0700, Ben Pfaff wrote:
On Sun, Aug 17, 2014 at 04:59:24PM +0200, Friedrich Beckmann wrote:
here is the build status for the pspp 0.8.3-1.2 package:

Still the armhf architecture build fails but due to Bens package change the testsuite.log is visible. All four
failing tests fail due to a segmentation fault. The failing tests are:

297:   SPLIT FILE  - vs procedures
485:       MEANS harmonic and geometric means
487:       MEANS missing=table
488:       MEANS user missing values

I did a build on the Debian machine "harris".  All of these tests fail
with the same backtrace:

#0  variable_matches_case (address@hidden, c=0x0) at src/data/case.c:475
#1  0xb6e35cda in case_data (address@hidden, v=0x1b15a80) at src/data/case.c:267
#2  0xb6f1be5e in update_n (aux1=0xbe9482d8, aux2=0x1b15a38,
   user_data=0x1b189d8, c=<optimized out>, weight=1)
   at src/language/stats/means.c:917
#3  0xb6f56ed0 in categoricals_update (cat=0x1b18270, address@hidden)
   at src/math/categoricals.c:450
#4  0xb6f1c438 in run_means (ds=0x1b052e8, input=0x1b18258, cmd=0xbe9482d8)
   at src/language/stats/means.c:1021
#5  cmd_means (lexer=<optimized out>, ds=0x1b052e8)
   at src/language/stats/means.c:784
#6  0xb6ef9198 in do_parse_command (state=CMD_STATE_DATA, ds=<optimized out>,
   lexer=0x1b05958) at src/language/command.c:233
#7  cmd_parse_in_state (lexer=0x1b05958, ds=0x1b052e8, state=CMD_STATE_DATA)
   at src/language/command.c:148
#8  0x00012702 in main (argc=<optimized out>, argv=<optimized out>)
   at src/ui/terminal/main.c:138

I'll take a further look.

Looking further, this looks like a compiler bug to me.  In the
update_n() function in src/language/stats/means.c, sometimes the
parameter 'c' changes from its original value to NULL between loop
iterations.  When I turn off compiler optimization, all of these tests

I don't see much value in spending much time on this.  I think that I
will upload a package that turns off compiler optimization on armhf.

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