Bug 36986 - Check failure on x86: input.c:1216:dix_valuator_alloc: assertion failed: (((void*)v->axisVal - (void*)v) % sizeof(double) == 0)
Summary: Check failure on x86: input.c:1216:dix_valuator_alloc: assertion failed: (((v...
Status: RESOLVED FIXED
Alias: None
Product: xorg
Classification: Unclassified
Component: Server/General (show other bugs)
Version: unspecified
Hardware: Other All
: medium major
Assignee: Xorg Project Team
QA Contact: Xorg Project Team
URL:
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Keywords:
Depends on:
Blocks: xserver-1.10
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Reported: 2011-05-08 19:46 UTC by Cyril Brulebois
Modified: 2011-06-17 10:55 UTC (History)
2 users (show)

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Description Cyril Brulebois 2011-05-08 19:46:03 UTC 
1.10.1 builds fine; 1.10.2rc1 doesn't, but only on *i386 (see: https://buildd.debian.org/status/logs.php?pkg=xorg-server&ver=2%3A1.10.1.901-1).

The addition of a related test in d6328c6bfe49 would explain that, yay for testsuites!

If you need a quick cheatsheet: http://wiki.debian.org/ArchitectureSpecificsMemo

Test failure:
-------------
/dix/input/valuator-alloc: **
ERROR:../../test/input.c:1216:dix_valuator_alloc: assertion failed: (((void*)v->axisVal - (void*)v) % sizeof(double) == 0)
/bin/bash: line 5: 26606 Aborted                 ${dir}$tst
FAIL: input
Comment 1 Cyril Brulebois 2011-05-10 05:18:29 UTC 
Looking at the size of the structure, I get 52.

Each member is of size 4, except:
    unsigned short        numAxes;           ---> 2
    ValuatorAccelerationRec     accelScheme; ---> 16

That means a total of 50, with numAxes getting probably aligned, taking 4 instead of 2, leading up to the total of 52.
Comment 2 Peter Hutterer 2011-05-17 23:11:43 UTC 
http://patchwork.freedesktop.org/patch/5484/
Comment 3 Jeremy Huddleston Sequoia 2011-06-17 10:55:11 UTC 
This test is fixed in 1.10 and master.

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