It seems I got a valid backtrace. I installed xserver-xorg-core- hwe-18.04-dbgsym and it was possible to get a backtrace with more data. Here is it:
(gdb) bt f #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51 set = {__val = {171516928, 0, 0, 0, 0, 94568085079104, 94568054863600, 67108868, 140083657316496, 0, 94568084835824, 94568085157664, 94568085157664, 94568085534016, 0, 0}} pid = <optimized out> tid = <optimized out> ret = <optimized out> #1 0x00007f67c465e801 in __GI_abort () at abort.c:79 save_stage = 1 act = {__sigaction_handler = {sa_handler = 0x5602591f7720, sa_sigaction = 0x5602591f7720}, sa_mask = {__val = {94568085534016, 0 <repeats 11 times>, 67108868, 140083657316496, 5467293301926151424, 0}}, sa_flags = 1465188592, sa_restorer = 0x7ffc2f5ddeb0} sigs = {__val = {32, 0 <repeats 15 times>}} __cnt = <optimized out> __set = <optimized out> __cnt = <optimized out> __set = <optimized out> #2 0x00005602575166da in OsAbort () at ../../../../os/utils.c:1351 No locals. #3 0x000056025751c273 in AbortServer () at ../../../../os/log.c:879 No locals. #4 0x000056025751d095 in FatalError (f=f@entry=0x5602575500f0 "Caught signal %d (%s). Server aborting\n") at ../../../../os/log.c:1017 args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7ffc2f5ddfa0, reg_save_area = 0x7ffc2f5dded0}} args2 = {{gp_offset = 8, fp_offset = 48, overflow_arg_area = 0x7ffc2f5ddfa0, reg_save_area = 0x7ffc2f5dded0}} beenhere = 1 #5 0x0000560257513773 in OsSigHandler (signo=11, sip=<optimized out>, unused=<optimized out>) at ../../../../os/osinit.c:156 unused = <optimized out> sip = <optimized out> signo = 11 #6 <signal handler called> No locals. #7 _XkbSetMapChecks (client=client@entry=0x560259cd7c40, req=req@entry=0x56025a1b4dd0, values=values@entry=0x56025a1b4df4 "", dev=<optimized out>) at ../../../../xkb/xkb.c:2387 xkbi = <error reading variable xkbi (Não é possível acessar a memória no endereço 0x68)> xkb = <optimized out> error = <optimized out> nTypes = 0 nActions = <optimized out> mapWidths = '\000' <repete 255 vezes> symsPerKey = {0 <repeats 256 times>} map = <optimized out> i = <optimized out> #8 0x00005602574b734f in ProcXkbSetMap (client=0x560259cd7c40) at ../../../../xkb/xkb.c:2655 other = 0x560258ea7d40 dev = 0x560258ea84d0 tmp = 0x56025a1b4df4 "" rc = 0 stuff = <optimized out> master = 0x560258ea84d0 #9 0x00005602573b64e8 in Dispatch () at ../../../../dix/dispatch.c:478 result = <optimized out> client = <optimized out> start_tick = 1390 #10 0x00005602573ba4e8 in dix_main (argc=11, argv=0x7ffc2f5de988, envp=<optimized out>) at ../../../../dix/main.c:276 i = <optimized out> alwaysCheckForInput = {0, 1} #11 0x00007f67c463fb97 in __libc_start_main (main=0x5602573a4150 <main>, argc=11, argv=0x7ffc2f5de988, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc2f5de978) at ../csu/libc-start.c:310 self = <optimized out> __self = <optimized out> result = <optimized out> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -957471381706168478, 94568053358944, 140721103169920, 0, 0, -6824483104159357086, -6882266889145079966}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7f67c7364733 <_dl_init+259>, 0x7f67c7352438}, data = {prev = 0x0, cleanup = 0x0, canceltype = -952744141}}} not_first_call = <optimized out> #12 0x00005602573a418a in _start () No symbol table info available. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1841190 Title: Xorg crashes when trying to insert letter with accent using Onboard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1841190/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp