Your message dated Wed, 23 Jul 2014 10:23:15 +0000
with message-id <[email protected]>
and subject line Bug#754496: fixed in valgrind 1:3.9.0-7
has caused the Debian Bug report #754496,
regarding valgrind: Please backport support for xabort
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
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misconfiguration somewhere. Please contact [email protected]
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--
754496: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=754496
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: valgrind
Version: 1:3.9.0-6
Severity: important
Tags: patch
Hello,
Whenever I run a program using mutexes with valgrind, I get
vex amd64->IR: unhandled instruction bytes: 0xC6 0xF8 0xFD 0xF 0xB7 0x6 0x66
0x85
vex amd64->IR: REX=0 REX.W=0 REX.R=0 REX.X=0 REX.B=0
vex amd64->IR: VEX=0 VEX.L=0 VEX.nVVVV=0x0 ESC=NONE
vex amd64->IR: PFX.66=0 PFX.F2=0 PFX.F3=0
==27853== valgrind: Unrecognised instruction at address 0x5adc2f0.
==27853== at 0x5ADC2F0: __lll_trylock_elision (elision-trylock.c:32)
This is the xabort instruction, recently introduced in glibc. Upstream
commited a simple support for it, attached to this mail, could you
backport it to Debian? Otherwise any owner of Haswell processor will
have the issue with multithreaded applications.
Samuel
-- System Information:
Debian Release: jessie/sid
APT prefers testing
APT policy: (990, 'testing'), (500, 'unstable'), (500, 'stable'), (500,
'oldstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 3.15.0 (SMP w/8 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages valgrind depends on:
ii libc6 2.19-7
ii libc6-dbg 2.19-7
Versions of packages valgrind recommends:
ii gdb 7.6.2-1.1+b1
pn valgrind-dbg <none>
Versions of packages valgrind suggests:
pn alleyoop <none>
ii kcachegrind 4:4.13.1-1
pn valgrind-mpi <none>
ii valkyrie 2.0.0-1
-- no debconf information
--
Samuel
requests.</FONT></SPAN></TD></TR></TBODY></TABLE></DIV></BODY></HTML>agnjo
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shnthdrdcvallus hsx mvgduwolgfwtq
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-+- spams forever ... -+-
Index: valgrind/VEX/priv/guest_amd64_toIR.c
===================================================================
--- valgrind/VEX/priv/guest_amd64_toIR.c (révision 2799)
+++ valgrind/VEX/priv/guest_amd64_toIR.c (révision 2800)
@@ -20251,7 +20251,7 @@
return delta;
}
/* BEGIN HACKY SUPPORT FOR xbegin */
- if (modrm == 0xF8 && !have66orF2orF3(pfx) && sz == 4
+ if (opc == 0xC7 && modrm == 0xF8 && !have66orF2orF3(pfx) && sz == 4
&& (archinfo->hwcaps & VEX_HWCAPS_AMD64_AVX)) {
delta++; /* mod/rm byte */
d64 = getSDisp(4,delta);
@@ -20270,6 +20270,16 @@
return delta;
}
/* END HACKY SUPPORT FOR xbegin */
+ /* BEGIN HACKY SUPPORT FOR xabort */
+ if (opc == 0xC6 && modrm == 0xF8 && !have66orF2orF3(pfx) && sz == 1
+ && (archinfo->hwcaps & VEX_HWCAPS_AMD64_AVX)) {
+ delta++; /* mod/rm byte */
+ abyte = getUChar(delta); delta++;
+ /* There is never a real transaction in progress, so do nothing. */
+ DIP("xabort $%d", (Int)abyte);
+ return delta;
+ }
+ /* END HACKY SUPPORT FOR xabort */
goto decode_failure;
case 0xC8: /* ENTER */
--- End Message ---
--- Begin Message ---
Source: valgrind
Source-Version: 1:3.9.0-7
We believe that the bug you reported is fixed in the latest version of
valgrind, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Alessandro Ghedini <[email protected]> (supplier of updated valgrind package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.8
Date: Wed, 23 Jul 2014 11:47:13 +0200
Source: valgrind
Binary: valgrind valgrind-dbg valgrind-mpi
Architecture: source amd64
Version: 1:3.9.0-7
Distribution: unstable
Urgency: medium
Maintainer: Alessandro Ghedini <[email protected]>
Changed-By: Alessandro Ghedini <[email protected]>
Description:
valgrind - instrumentation framework for building dynamic analysis tools
valgrind-dbg - instrumentation framework for building dynamic analysis tools
(de
valgrind-mpi - instrumentation framework for building dynamic analysis tools
(MP
Closes: 754496
Changes:
valgrind (1:3.9.0-7) unstable; urgency=medium
.
* Remove index() Debian-specific suppressions (not needed anymore)
* Add 13_xabort.patch to add support for XABORT (Closes: #754496)
* Switch to dh-autoreconf
* No need to patch 'configure' as well as 'configure.ac' due to autoreconf
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valgrind-dbg_3.9.0-7_amd64.deb
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Files:
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valgrind_3.9.0-7_amd64.deb
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valgrind-dbg_3.9.0-7_amd64.deb
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valgrind-mpi_3.9.0-7_amd64.deb
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6e85541836eb836d39f9fbdda250abd7 28852 devel optional
valgrind_3.9.0-7.debian.tar.xz
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