From: Arno Wagner <645662@bugs.launchpad.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [Bug 645662] Re: Python 3.1.2 math errors with Qemu 0.12.5
Date: Sat, 23 Oct 2010 14:45:49 -0000 [thread overview]
Message-ID: <20101023144549.12828.49013.malone@wampee.canonical.com> (raw)
In-Reply-To: 20100923002702.20683.97345.malonedeb@soybean.canonical.com
Forgot so say: This is still present in 0.13.0.
--
Python 3.1.2 math errors with Qemu 0.12.5
https://bugs.launchpad.net/bugs/645662
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Status in QEMU: New
Bug description:
When doing the regression tests for Python 3.1.2 with Qemu 0.12.5, (Linux version 2.6.26-2-686 (Debian 2.6.26-25lenny1)),
gcc (Debian 4.3.2-1.1) 4.3.2, Python compiled from sources within qemu,
3 math tests fail, apparently because the floating point unit is buggy. Qmeu was compiled from original sources
on Debian Lenny with kernel 2.6.34.6 from kernel.org, gcc (Debian 4.3.2-1.1) 4.3.
Regression testing errors:
test_cmath
test test_cmath failed -- Traceback (most recent call last):
File "/root/tools/python3/Python-3.1.2/Lib/test/test_cmath.py", line 364, in
self.fail(error_message)
AssertionError: acos0034: acos(complex(-1.0000000000000002, 0.0))
Expected: complex(3.141592653589793, -2.1073424255447014e-08)
Received: complex(3.141592653589793, -2.1073424338879928e-08)
Received value insufficiently close to expected value.
test_float
test test_float failed -- Traceback (most recent call last):
File "/root/tools/python3/Python-3.1.2/Lib/test/test_float.py", line 479, in
self.assertEqual(s, repr(float(s)))
AssertionError: '8.72293771110361e+25' != '8.722937711103609e+25'
test_math
test test_math failed -- multiple errors occurred; run in verbose mode for deta
=>
runtests.sh -v test_math
le01:~/tools/python3/Python-3.1.2# ./runtests.sh -v test_math
test_math BAD
1 BAD
0 GOOD
0 SKIPPED
1 total
le01:~/tools/python3/Python-3.1.2#
next prev parent reply other threads:[~2010-10-23 15:01 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-23 0:27 [Qemu-devel] [Bug 645662] [NEW] Python 3.1.2 math errors with Qemu 0.12.5 Arno Wagner
2010-10-23 14:44 ` [Qemu-devel] [Bug 645662] " Arno Wagner
2010-10-23 14:45 ` Arno Wagner [this message]
2010-10-25 2:25 ` Arno Wagner
2017-01-19 8:34 ` Thomas Huth
2017-01-19 15:17 ` Arno Wagner
2017-01-23 21:20 ` Thomas Huth
2017-01-23 22:56 ` Arno Wagner
2017-11-29 11:19 ` Peter Maydell
2017-11-29 12:31 ` [Qemu-devel] [Bug 645662] Re: QEMU x87 emulation of trig and other complex ops is only at 64-bit precision, not 80-bit Thomas Huth
2017-11-29 16:33 ` Arno Wagner
2019-08-16 5:47 ` Thomas Huth
2019-08-16 13:08 ` Arno Wagner
2019-08-16 14:06 ` Peter Maydell
2019-08-16 16:46 ` Arno Wagner
2020-11-21 23:21 ` Peter Maydell
2020-11-22 16:41 ` Arno Wagner
2020-11-24 16:57 ` Richard Henderson
2021-05-03 9:28 ` Thomas Huth
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