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Valgrind Fails to Use Debuginfod #202

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opened 2023-07-26 08:42:45 +02:00 by N3k0-san · 4 comments
N3k0-san commented 2023-07-26 08:42:45 +02:00
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Despite being supported, using Valgrind on a compiled AUR package (built with debug info and unstripped) fails with a message about not having access to debug information for dependencies:

==294425== Memcheck, a memory error detector
==294425== Copyright (C) 2002-2022, and GNU GPL'd, by Julian Seward et al.
==294425== Using Valgrind-3.21.0 and LibVEX; rerun with -h for copyright info
==294425== Command: Cemu
==294425== 

valgrind:  Fatal error at startup: a function redirection
valgrind:  which is mandatory for this platform-tool combination
valgrind:  cannot be set up.  Details of the redirection are:
valgrind:  
valgrind:  A must-be-redirected function
valgrind:  whose name matches the pattern:      strlen
valgrind:  in an object with soname matching:   ld-linux-x86-64.so.2
valgrind:  was not found whilst processing
valgrind:  symbols from the object with soname: ld-linux-x86-64.so.2
valgrind:  
valgrind:  Possible fixes: (1, short term): install glibc's debuginfo
valgrind:  package on this machine.  (2, longer term): ask the packagers
valgrind:  for your Linux distribution to please in future ship a non-
valgrind:  stripped ld.so (or whatever the dynamic linker .so is called)
valgrind:  that exports the above-named function using the standard
valgrind:  calling conventions for this platform.  The package you need
valgrind:  to install for fix (1) is called
valgrind:  
valgrind:    On Debian, Ubuntu:                 libc6-dbg
valgrind:    On SuSE, openSuSE, Fedora, RHEL:   glibc-debuginfo
valgrind:  
valgrind:  Note that if you are debugging a 32 bit process on a
valgrind:  64 bit system, you will need a corresponding 32 bit debuginfo
valgrind:  package (e.g. libc6-dbg:i386).
valgrind:  
valgrind:  Cannot continue -- exiting now.  Sorry.

Happens even if I downgrade Valgrind to upstream Arch's repos

[Despite being supported,](https://wiki.archlinux.org/title/Debuginfod#Debugger_support) using Valgrind on a compiled AUR package (built with debug info and unstripped) fails with a message about not having access to debug information for dependencies: ``` ==294425== Memcheck, a memory error detector ==294425== Copyright (C) 2002-2022, and GNU GPL'd, by Julian Seward et al. ==294425== Using Valgrind-3.21.0 and LibVEX; rerun with -h for copyright info ==294425== Command: Cemu ==294425== valgrind: Fatal error at startup: a function redirection valgrind: which is mandatory for this platform-tool combination valgrind: cannot be set up. Details of the redirection are: valgrind: valgrind: A must-be-redirected function valgrind: whose name matches the pattern: strlen valgrind: in an object with soname matching: ld-linux-x86-64.so.2 valgrind: was not found whilst processing valgrind: symbols from the object with soname: ld-linux-x86-64.so.2 valgrind: valgrind: Possible fixes: (1, short term): install glibc's debuginfo valgrind: package on this machine. (2, longer term): ask the packagers valgrind: for your Linux distribution to please in future ship a non- valgrind: stripped ld.so (or whatever the dynamic linker .so is called) valgrind: that exports the above-named function using the standard valgrind: calling conventions for this platform. The package you need valgrind: to install for fix (1) is called valgrind: valgrind: On Debian, Ubuntu: libc6-dbg valgrind: On SuSE, openSuSE, Fedora, RHEL: glibc-debuginfo valgrind: valgrind: Note that if you are debugging a 32 bit process on a valgrind: 64 bit system, you will need a corresponding 32 bit debuginfo valgrind: package (e.g. libc6-dbg:i386). valgrind: valgrind: Cannot continue -- exiting now. Sorry. ``` Happens even if I downgrade Valgrind to upstream Arch's repos
anonfunc commented 2023-08-07 16:58:53 +02:00
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If this happens with vanilla packages its probably an Arch related issue. Not sure if we can do anything from our side here.

If this happens with vanilla packages its probably an Arch related issue. Not sure if we can do anything from our side here.
anonfunc added the
support
 label 2023-09-04 16:47:37 +02:00
averms commented 2024-04-13 10:47:35 +02:00
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@N3k0-san what is the output of echo $DEBUGINFOD_URLS? It should have both the ahlp.dev and archlinux.org debuginfod servers.

@N3k0-san what is the output of `echo $DEBUGINFOD_URLS`? It should have both the ahlp.dev and archlinux.org debuginfod servers.
N3k0-san commented 2024-04-15 10:37:56 +02:00
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@N3k0-san what is the output of echo $DEBUGINFOD_URLS? It should have both the ahlp.dev and archlinux.org debuginfod servers.

I would actually help with this but I actually moved to Gentoo about 4 months ago, so I can't actually assist with Arch issues anymore because this is my only machine.

> @N3k0-san what is the output of echo $DEBUGINFOD_URLS? It should have both the ahlp.dev and archlinux.org debuginfod servers. I would actually help with this but I actually moved to Gentoo about 4 months ago, so I can't actually assist with Arch issues anymore because this is my only machine.
anonfunc commented 2024-04-17 18:42:39 +02:00
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Since we have no way of verifying this, closing is the best option rn. Please reopen if you experience a similar issue.

Since we have no way of verifying this, closing is the best option rn. Please reopen if you experience a similar issue.
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