Bug#464068: xserver-xorg: [ia64] black screen, backtrace
On Tue, Feb 05, 2008 at 10:46:52AM +0100, Julien Cristau wrote:
> Hi dann,
>
> Can you try to get a backtrace from gdb (attached from an ssh session)?
> Make sure xserver-xorg-core-dbg is installed.
Sorry for the delay, hadn't a chance to take down my workstation until now.
root@krebs:~# export LD_LIBRARY_PATH=/usr/lib/debug
root@krebs:~# gdb /usr/bin/Xorg
GNU gdb 6.7.1-debian
Copyright (C) 2007 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "ia64-linux-gnu"...
Using host libthread_db library "/usr/lib/debug/libthread_db.so.1".
(gdb) run
Starting program: /usr/bin/Xorg
[Thread debugging using libthread_db enabled]
This is a pre-release version of the X server from The X.Org Foundation.
It is not supported in any way.
Bugs may be filed in the bugzilla at http://bugs.freedesktop.org/.
Select the "xorg" product for bugs you find in this release.
Before reporting bugs in pre-release versions please check the
latest version in the X.Org Foundation git repository.
See http://wiki.x.org/wiki/GitPage for git access instructions.
X.Org X Server 1.4.0.90
Release Date: 5 September 2007
X Protocol Version 11, Revision 0
Build Operating System: Linux Debian (xorg-server 2:1.4.1~git20080131-1)
Current Operating System: Linux krebs 2.6.24-1-mckinley #1 SMP Thu Jan 31 21:04:21 UTC 2008 ia64
Build Date: 01 February 2008 04:52:41AM
Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
Module Loader present
Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Wed Feb 6 17:57:08 2008
(==) Using config file: "/etc/X11/xorg.conf"
[New Thread 0x2000000000809980 (LWP 10990)]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x2000000000809980 (LWP 10990)]
_int_malloc (av=0x20000000006a9148, bytes=24) at malloc.c:4139
4139 malloc.c: No such file or directory.
in malloc.c
(gdb) bt full
#0 _int_malloc (av=0x20000000006a9148, bytes=24) at malloc.c:4139
p = <value optimized out>
nb = 32
idx = 2
bin = (mbinptr) 0x20000000006a91b8
victim = (mchunkptr) 0x6000000000178a70
size = <value optimized out>
victim_index = <value optimized out>
remainder = <value optimized out>
remainder_size = <value optimized out>
block = <value optimized out>
bit = <value optimized out>
map = <value optimized out>
fwd = <value optimized out>
bck = (mchunkptr) 0x0
#1 0x2000000000520df0 in *__GI___libc_malloc (bytes=24) at malloc.c:3553
ar_ptr = (mstate) 0x20000000006a9148
victim = (void *) 0x20000000006a9148
hook = <value optimized out>
#2 0x40000000003588d0 in LogVMessageVerb (type=X_INFO, verb=3,
format=0x400000000036b538 "Bus %s I/O range:\n", args=0x60000fffffefb3c8)
at ../../os/log.c:362
s = 0x400000000037adb8 "(II)"
tmpBuf = <value optimized out>
#3 0x40000000001279d0 in xf86VDrvMsgVerb (scrnIndex=-1, type=X_INFO, verb=3,
format=0x400000000036b538 "Bus %s I/O range:\n", args=0x60000fffffefb3c8)
at ../../../../hw/xfree86/common/xf86Helper.c:1325
tmpFormat = <value optimized out>
#4 0x4000000000127e60 in xf86MsgVerb (type=X_INFO, verb=3,
format=0x400000000036b538 "Bus %s I/O range:\n")
at ../../../../hw/xfree86/common/xf86Helper.c:1359
ap = (va_list) Cannot access memory at address 0x20
(gdb)
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