xemacs crash

Hello, I have a problem with xemacs: when I turn the wheel of my mouse, the xemacs crashes. I send to you the output and the where core result. Best regards, Sorin Moga -------------------------------------------------------------- Lisp backtrace follows: string-match("\n" "audio: SNDCTL_DSP_SETFMT, Succ~") # bind (extent) # (unwind-protect ...) # bind (message label) log-message(message "audio: SNDCTL_DSP_SETFMT, Succ~") run-hook-with-args(log-message message "audio: SNDCTL_DSP_SETFMT, Succ~") byte-code("..." [run-hook-with-args remove-message-hook log] 4) # (condition-case ... . ((error (byte-code "ÀÂÃÄÅÆ!$ˆÈ ÊË!ˆ)Ì＠A\"‡" ... 6)))) # bind (log frame label) remove-message(nil #<x-frame "emacs" 0x24ff>) # bind (clear-stream no-restore stdout-p frame label) clear-message(nil #<x-frame "emacs" 0x24ff> t t) princ("button5" #<x-frame "emacs" 0x24ff>) # bind (stream error-object) #<compiled-function (error-object stream) "...(23)" [princ key-description error-object stream gettext " not defined."] 3>((undefined-keystroke-sequence [#<buttondown-event button5>]) #<x-frame "emacs" 0x24ff>) display-error((undefined-keystroke-sequence [#<buttondown-event button5>]) t) # bind (inhibit-quit debug-on-error etype error-object) command-error((undefined-keystroke-sequence [#<buttondown-event button5>])) # (catch top-level ...) [1] Incident de segmentation xemacs dg.tex (core dumped) -------------------------------------------------------------------------------- (gdb) where #0 0x40426b01 in __kill () from /lib/i686/libc.so.6 #1 0x080a3da4 in fatal_error_signal () #2 <signal handler called> #3 0x0813d691 in sys_re_search_2 () #4 0x0813d218 in sys_re_search () #5 0x08140d9e in Fposix_looking_at () #6 0x08140e1e in Fstring_match () #7 0x080aa24a in funcall_recording_as () #8 0x080aa506 in Ffuncall () #9 0x08089cd9 in Fbyte_code () #10 0x080aaef7 in Ffetch_bytecode () #11 0x080aa494 in funcall_recording_as () #12 0x080aa506 in Ffuncall () #13 0x080ab107 in run_hook_with_args_in_buffer () #14 0x080ab25d in run_hook_with_args () #15 0x080aafa5 in Frun_hook_with_args () #16 0x080aa183 in funcall_recording_as () #17 0x080aa506 in Ffuncall () #18 0x08089cd9 in Fbyte_code () #19 0x080a9daa in Feval () #20 0x080a7e3e in condition_case_1 () #21 0x080a7fb2 in condition_case_3 () #22 0x0808a10b in Fbyte_code () #23 0x080aaef7 in Ffetch_bytecode () #24 0x080aa494 in funcall_recording_as () #25 0x080aa506 in Ffuncall () #26 0x08089cd9 in Fbyte_code () #27 0x080aaef7 in Ffetch_bytecode () #28 0x080aa494 in funcall_recording_as () #29 0x080aa506 in Ffuncall () #30 0x080ab58b in call4 () #31 0x08120d23 in Fall_completions () #32 0x08120d89 in clear_echo_area_from_print () #33 0x081236c4 in write_string_to_stdio_stream () #34 0x08123c44 in Fprinc () #35 0x080aa33d in funcall_recording_as () #36 0x080aa506 in Ffuncall () #37 0x08089cd9 in Fbyte_code () #38 0x080aaef7 in Ffetch_bytecode () #39 0x080aa494 in funcall_recording_as () #40 0x080aa506 in Ffuncall () #41 0x080ab4cd in call2 () #42 0x08123ff1 in Fprint () #43 0x0812409c in Fdisplay_error () #44 0x080aa33d in funcall_recording_as () #45 0x080aa506 in Ffuncall () #46 0x08089cd9 in Fbyte_code () #47 0x080aaef7 in Ffetch_bytecode () #48 0x080aa494 in funcall_recording_as () #49 0x080aa506 in Ffuncall () #50 0x080ab477 in call1 () #51 0x080a7ddd in condition_case_1 () #52 0x080919a6 in Freally_early_error_handler () #53 0x080919cb in Freally_early_error_handler () #54 0x080a7b0a in internal_catch () #55 0x08091b2f in initial_command_loop () #56 0x080a4cbb in Finvocation_directory () #57 0x080a5450 in main () #58 0x40414647 in __libc_start_main (main=0x80a5340 <main>, argc=2, ubp_av=0xbfffdee4, init=0x807c3c8 <_init>, fini=0x8183ea0 <_fini>, rtld_fini=0x4000dcd4 <_dl_fini>, stack_end=0xbfffdedc) at ../sysdeps/generic/libc-start.c:129 (gdb)