Debug error
Locked
 
|
|
On Thu, Jan 19, 2012 at 11:30:17PM +0000, R Kimber wrote:
> gdb is giving me the following:- > > warning: the debug information found in > "/usr/lib/debug//usr/lib/libxml2.so.2.7.8" does not match > "/usr/lib/libxml2.so.2" (CRC mismatch). > > warning: the debug information found in > "/usr/lib/debug/usr/lib/libxml2.so.2.7.8" does not match > "/usr/lib/libxml2.so.2" (CRC mismatch). > > What, if anything, should I do about this? It looks as though the debugging > libraries are not up to date with the normal libraries. My system is > updated regularly.. apt-cache policy libxml2 and apt-cache policy libxml2-dbg and apt-cache policy libxml2-dbgsym ? > Xubuntu 11.10 Marius Gedminas -- It is a mess, pure and simple. Sucks to be away from Unix, huh? -- man perlfaq3 -- ubuntu-users mailing list [hidden email] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-users |
signature.asc (197 bytes) |
|
|
|
On Fri, Jan 20, 2012 at 11:17:30AM +0000, R Kimber wrote:
> On Fri, 20 Jan 2012 03:55:24 +0200 > Marius Gedminas wrote: > > > On Thu, Jan 19, 2012 at 11:30:17PM +0000, R Kimber wrote: > > > gdb is giving me the following:- > > > > > > warning: the debug information found in > > > "/usr/lib/debug//usr/lib/libxml2.so.2.7.8" does not match > > > "/usr/lib/libxml2.so.2" (CRC mismatch). > > > > > > warning: the debug information found in > > > "/usr/lib/debug/usr/lib/libxml2.so.2.7.8" does not match > > > "/usr/lib/libxml2.so.2" (CRC mismatch). > > What's the output of > > > > apt-cache policy libxml2 > > libxml2: > Installed: 2.7.8.dfsg-4 > Candidate: 2.7.8.dfsg-4ubuntu0.1 > Version table: > 2.7.8.dfsg-4ubuntu0.1 0 > 500 http://archive.ubuntu.com/ubuntu/ oneiric-updates/main amd64 Packages > 500 http://archive.ubuntu.com/ubuntu/ oneiric-security/main amd64 Packages > *** 2.7.8.dfsg-4 0 > 500 http://archive.ubuntu.com/ubuntu/ oneiric/main amd64 Packages > 100 /var/lib/dpkg/status > > > and > > > > apt-cache policy libxml2-dbg > > libxml2-dbg: > Installed: 2.7.8.dfsg-4 > Candidate: 2.7.8.dfsg-4ubuntu0.1 > Version table: > 2.7.8.dfsg-4ubuntu0.1 0 > 500 http://archive.ubuntu.com/ubuntu/ oneiric-updates/main amd64 Packages > 500 http://archive.ubuntu.com/ubuntu/ oneiric-security/main amd64 Packages > *** 2.7.8.dfsg-4 0 > 500 http://archive.ubuntu.com/ubuntu/ oneiric/main amd64 Packages > 100 /var/lib/dpkg/status (Although you should install the security update!) I can reproduce your problem: $ gdb (gdb) file /usr/lib/libxml2.so Reading symbols from /usr/lib/libxml2.so...warning: the debug information found in "/usr/lib/debug//usr/lib/libxml2.so.2.7.8" does not match "/usr/lib/libxml2.so" (CRC mismatch). warning: the debug information found in "/usr/lib/debug/usr/lib/libxml2.so.2.7.8" does not match "/usr/lib/libxml2.so" (CRC mismatch). (no debugging symbols found)...done. Looks like a bug to me. This bug, actually: https://bugs.launchpad.net/ubuntu/+source/libxml2/+bug/669852 > > and > > > > apt-cache policy libxml2-dbgsym > > N: Unable to locate package libxml2-dbgsym > > Maybe this is the problem, but Synaptic does not show a libxml2-dbgsym > package as being available. That's fine; it comes from the ddebs repository which is not enabled by default. See https://wiki.ubuntu.com/DebuggingProgramCrash for more information. Most packages do not have a -dbg version, but almost all of them have -dbgsym. Libxml2 has both, for some reason. I just wanted to make sure which one you were using. Incidentally, when I install libxml2-dbgsym, gdb is then able to find libxml2's debug symbols. I suggest you do the same. Regards, Marius Gedminas -- C gives you enough rope to hang yourself. C++ also gives you the tree object to tie it to. -- ubuntu-users mailing list [hidden email] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-users |
|
|
On Fri, Jan 20, 2012 at 06:46:48PM +0200, Marius Gedminas wrote:
> On Fri, Jan 20, 2012 at 11:17:30AM +0000, R Kimber wrote: > > On Fri, 20 Jan 2012 03:55:24 +0200 > > Marius Gedminas wrote: > > > > > On Thu, Jan 19, 2012 at 11:30:17PM +0000, R Kimber wrote: > > > > gdb is giving me the following:- > > > > > > > > warning: the debug information found in > > > > "/usr/lib/debug//usr/lib/libxml2.so.2.7.8" does not match > > > > "/usr/lib/libxml2.so.2" (CRC mismatch). > > > > > > > > warning: the debug information found in > > > > "/usr/lib/debug/usr/lib/libxml2.so.2.7.8" does not match > > > > "/usr/lib/libxml2.so.2" (CRC mismatch). > > How can I try to reproduce this? (Without building a delete the question. :-) Marius Gedminas -- The moral of the story is that with a contrived example, you can prove anything. Oops. No, that's not what I meant to say. -- Joel Spolski -- ubuntu-users mailing list [hidden email] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-users |
|
|
|
|
On Fri, Jan 20, 2012 at 06:11:56PM +0000, R Kimber wrote:
> On Fri, 20 Jan 2012 18:46:48 +0200 > Marius Gedminas wrote: > > > Ok, so the versions match. > > > > (Although you should install the security update!) > > Yes. That came through today, and I installed it. > > > I can reproduce your problem: > > > Looks like a bug to me. This bug, actually: > > https://bugs.launchpad.net/ubuntu/+source/libxml2/+bug/669852 > > > > Maybe this is the problem, but Synaptic does not show a libxml2-dbgsym > > > package as being available. > > > > That's fine; it comes from the ddebs repository which is not enabled by > > default. See https://wiki.ubuntu.com/DebuggingProgramCrash for more > > information. > > > > Most packages do not have a -dbg version, but almost all of them have > > -dbgsym. Libxml2 has both, for some reason. I just wanted to make sure > > which one you were using. > > > > Incidentally, when I install libxml2-dbgsym, gdb is then able to find > > libxml2's debug symbols. I suggest you do the same. > > Many thanks for your help. I tried to install libxml2-dbgsym, but I get > > libxml2-dbgsym: > Depends: libxml2 (=2.7.8.dfsg-4) but 2.7.8.dfsg-4ubuntu0.1 is to be > installed the debug symbols to appear after the security update. I can already see the new version of libxml2-dbgsym here: $ apt-cache policy libxml2-dbgsym libxml2-dbgsym: Installed: 2.7.8.dfsg-4 Candidate: 2.7.8.dfsg-4ubuntu0.1 Version table: 2.7.8.dfsg-4ubuntu0.1 0 500 http://ddebs.ubuntu.com/ oneiric-updates/main i386 Packages 500 http://ddebs.ubuntu.com/ oneiric-updates/main i386 Packages 500 http://ddebs.ubuntu.com/ oneiric-security/main i386 Packages 500 http://ddebs.ubuntu.com/ oneiric-security/main i386 Packages *** 2.7.8.dfsg-4 0 500 http://ddebs.ubuntu.com/ oneiric/main i386 Packages 500 http://ddebs.ubuntu.com/ oneiric/main i386 Packages 100 /var/lib/dpkg/status (and yeah, I need to install the security update too ;) You may also want to check if you have a ddebs repository for oneiric-security enabled. E.g. I have $ cat /etc/apt/sources.list.d/ddebs.list deb http://ddebs.ubuntu.com oneiric main restricted universe multiverse deb http://ddebs.ubuntu.com oneiric-updates main restricted universe multiverse deb http://ddebs.ubuntu.com oneiric-security main restricted universe multiverse deb http://ddebs.ubuntu.com oneiric-proposed main restricted universe multiverse Marius Gedminas -- Any sufficiently advanced bug is indistinguishable from a feature. -- Rich Kulawiec -- ubuntu-users mailing list [hidden email] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-users |
Loading...
| Powered by Nabble | Edit this page |