** Description changed:
Binary package hint: zlib1g
- gnome-screenshot semi-regularly generates a bug report as follows:
+ If I press PrintScreen on my keyboard a number of times (sometimes it
+ takes 20, other times it's 5, but varies) gnome-screenshot semi-
+ regularly generates a bug report as follows:
Memory status: size: 63733760 vsize: 0 resident: 63733760 share: 0 rss:
17010688 rss_rlim: 0
CPU usage: start_time: 1171574803 rtime: 0 utime: 70 stime: 0 cutime:70
cstime: 0 timeout: 0 it_real_value: 0 frequency: 0
Backtrace was generated from '/usr/bin/gnome-panel-screenshot'
(no debugging symbols found)
Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
(no debugging symbols found)
...
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread -1225701712 (LWP 10190)]
(no debugging symbols found)
...
(no debugging symbols found)
0xffffe410 in __kernel_vsyscall ()
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb73ed34b in __waitpid_nocancel ()
from /lib/tls/i686/cmov/libpthread.so.0
#2 0xb7eaa1b6 in gnome_gtk_module_info_get () from /usr/lib/libgnomeui-2.so.0
#3 <signal handler called>
#4 0xb731b37c in memcpy () from /lib/tls/i686/cmov/libc.so.6
#5 0xb71e0e8d in deflateCopy () from /usr/lib/libz.so.1
#6 0xb71e1a44 in deflateInit_ () from /usr/lib/libz.so.1
#7 0xb71e1f10 in deflate () from /usr/lib/libz.so.1
#8 0xb709c101 in png_write_chunk () from /usr/lib/libpng12.so.0
#9 0xb709c64b in png_write_chunk () from /usr/lib/libpng12.so.0
#10 0xb70a0774 in png_write_row () from /usr/lib/libpng12.so.0
#11 0xb70a0937 in png_write_rows () from /usr/lib/libpng12.so.0
#12 0xb6db0a79 in fill_info ()
from /usr/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-png.so
#13 0x0825a2f8 in ?? ()
#14 0xbfa3e370 in ?? ()
#15 0x00000001 in ?? ()
#16 0x00000400 in ?? ()
#17 0x00000008 in ?? ()
#18 0x00000006 in ?? ()
#19 0x00000000 in ?? ()
Thread 1 (Thread -1225701712 (LWP 10190)):
#0 0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb73ed34b in __waitpid_nocancel ()
from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#2 0xb7eaa1b6 in gnome_gtk_module_info_get () from /usr/lib/libgnomeui-2.so.0
No symbol table info available.
#3 <signal handler called>
No symbol table info available.
#4 0xb731b37c in memcpy () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#5 0xb71e0e8d in deflateCopy () from /usr/lib/libz.so.1
No symbol table info available.
#6 0xb71e1a44 in deflateInit_ () from /usr/lib/libz.so.1
No symbol table info available.
#7 0xb71e1f10 in deflate () from /usr/lib/libz.so.1
No symbol table info available.
#8 0xb709c101 in png_write_chunk () from /usr/lib/libpng12.so.0
No symbol table info available.
#9 0xb709c64b in png_write_chunk () from /usr/lib/libpng12.so.0
No symbol table info available.
#10 0xb70a0774 in png_write_row () from /usr/lib/libpng12.so.0
No symbol table info available.
#11 0xb70a0937 in png_write_rows () from /usr/lib/libpng12.so.0
No symbol table info available.
#12 0xb6db0a79 in fill_info ()
from /usr/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-png.so
...
I also regularly use the flam3 rendering engine (www.flam3.com), which
can write out images in PNG format. When compiled against zlib
1.2.3-13ubuntu2 and libpng1.2.8rel-5.1ubuntu0.1 (or 1.2.16, compiled
from source) I get this exact same backtrace. If I compile zlib 1.2.3
from source (as well as the libpng) and use those to write out PNG
images, this segmentation fault does not occur.
- I have an ASUS M2N-SLI Deluxe motherboard and an AMD Athlon X2 4600+
- processor. I'll be happy to provide any additional information as
- necessary - just ask.
+ This bug is occurring on an ASUS M2N-SLI Deluxe motherboard and an AMD
+ Athlon X2 4600+ processor, running 32-bit Edgy. I am not overclocking
+ the system at all, and I've run both Memtest86+ and some of the Prime95
+ tests to ensure that components are in working order. I'll be happy to
+ provide any additional information as necessary - just ask.
--
zlib segmentation fault in default package
https://launchpad.net/bugs/85456
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