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From: Elena Zannoni <ezannoni@redhat.com>
To: Michal Ludvig <mludvig@suse.cz>
Cc: Mark Kettenis <kettenis@chello.nl>, gdb <gdb@sources.redhat.com>
Subject: Re: Corrupt data in ...
Date: Wed, 16 Jul 2003 16:05:00 -0000	[thread overview]
Message-ID: <16149.31069.451772.550121@localhost.redhat.com> (raw)
In-Reply-To: <3F156B42.90907@suse.cz>

Michal Ludvig writes:
 > Hi Mark,
 > on AMD64/Linux I'm getting "During symbol reading...Corrupt data in 
 > /lib64/libm.so.6:.eh_frame; align 4 workaround apparently succeeded..." 
 > message. What does it mean and where to look for the problem?
 > 

That's a problem with the linker that generates corrupt debug info.
Richard Henderson put in a workaround to continue reading the FDE's
and CIE's even though they might be misaligned. What you are seeing is
a complaint that gets issued when this occurs.

Look for a recent message by rth to the gdb-patches list, from last week.

elena


 > ****
 > (top-gdb) b main
 > Breakpoint 3 at 0x4390b7: file gdb.c, line 30.
 > (top-gdb) r
 > Starting program: /usr/src/packages/BUILD/gdb-6.0/gdb/gdb
 > During symbol reading...Corrupt data in /lib64/libm.so.6:.eh_frame; 
 > align 4 workaround apparently succeeded...
 > During symbol reading...Corrupt data in /lib64/libc.so.6:.eh_frame; 
 > align 4 workaround apparently succeeded...
 > 
 > Breakpoint 3, main (argc=1, argv=0x7fbffff6d8) at gdb.c:30
 > 30        memset (&args, 0, sizeof args);
 > (top-gdb)
 > ****
 > 
 > Thanks!
 > 
 > Michal Ludvig
 > -- 
 > * SuSE CR, s.r.o     * mludvig@suse.cz
 > * (+420) 296.545.373 * http://www.suse.cz


      reply	other threads:[~2003-07-16 16:05 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-16 15:12 Michal Ludvig
2003-07-16 16:05 ` Elena Zannoni [this message]

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