[karmic] crashed at startup

Binary package hint: gdm

after installing new kernel 2-6-31.6 generic.. kernel panic.
restarted with 2.6.28-14-generic ... and crashed.

ProblemType: Crash
Architecture: i386
Date: Sat Aug 22 13:48:17 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/lib/gdm/gdm-simple-slave
Package: gdm 2.27.4-0ubuntu11
ProcCmdline: /usr/lib/gdm/gdm-simple-slave --display-id /org/gnome/DisplayManager/Display1
ProcEnviron:
 PATH=(custom, no user)
 LANG=it_IT.UTF-8
ProcVersionSignature: Ubuntu 2.6.28-14.47-generic
SegvAnalysis:
 Segfault happened at: 0x8058015 <endutxent@plt+43165>: movzbl 0x30(%eax),%eax
 PC (0x08058015) ok
 source "0x30(%eax)" (0xaaaaaada) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gdm
StacktraceTop:
 ?? ()
 IA__g_cclosure_marshal_VOID__INT (closure=0x912a1e8,
 IA__g_closure_invoke (closure=0x912a1e8, return_value=0x0,
 signal_emit_unlocked_R (node=<value optimized out>,
 IA__g_signal_emit_valist (instance=0x91090a0, signal_id=54,
Title: gdm-simple-slave crashed with SIGSEGV in IA__g_cclosure_marshal_VOID__INT()
Uname: Linux 2.6.28-14-generic i686
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