Gabriel C wrote: > Sam Ravnborg wrote: >> On Tue, Sep 18, 2007 at 03:42:58PM -0400, Miles Lane wrote: >>> On 9/18/07, Sam Ravnborg <[EMAIL PROTECTED]> wrote: >>>> Hi Miles. >>>> On Tue, Sep 18, 2007 at 11:27:23AM -0400, Miles Lane wrote: >>>>> Selecting Help for "Subarchitecture Type" causes "make menuconfig" to >>>>> crash, and the bash display settings have to be reset. >>>> Not reproduceable here. >>>> But I noticed that we pass a null pointer to a vsprintf function which >>>> in the cases you pointed out printed a (null) at my system. >>>> Could you plase try if attached patch fix your system. >>> Sorry, it still crashes. I am running Ubuntu pre-6.10 (Gutsy -- the >>> development version of the distro). Maybe I should try "make >>> mrproper" first? >> make mrproper should not do any difference here. >> I rather think you hit some ncurses bug. >> >> If you could add '-g' to HOSTCFLAGS in top-level Makefile >> and then do: >> rm scripts/kconfig/mconf.o scripts/kconfig/mconf >> make menuconfig >> >> (to build mconf and to check that the error is still reproduceable). >> And then run it in a debugger like this: >> gdb scripts/kconfig/mconf >> run arch/x86_64/Kconfig >> ^^^^^^ replace with your actual arch >> >> Provoke the error and get a back-trace with 'bt'. > > Hi Sam, > > I can reproduce this bug on Frugalware Linux. > > Here the bt: > > Program received signal SIGSEGV, Segmentation fault. > > 0xb7dc4143 in strlen () from /lib/libc.so.6 > > > (gdb) bt > > > #0 0xb7dc4143 in strlen () from /lib/libc.so.6 > > > #1 0x0804fd60 in str_append (gs=0xbfe4f6e8, s=0x0) at > scripts/kconfig/util.c:87 > > #2 0x0804e0cb in expr_print (e=0x8e22df8, fn=0x804fda0 > <expr_print_gstr_helper>, data=0xbfe4f6e8, prevtoken=0) at > scripts/kconfig/expr.c:1037 > #3 0x0804e1e7 in expr_gstr_print (e=0x8e22df8, gs=0xbfe4f6e8) at > scripts/kconfig/expr.c:1099 > > #4 0x0804a07e in get_symbol_str (r=0xbfe4f6e8, sym=0x8b54ee8) at > scripts/kconfig/mconf.c:334 > > #5 0x0804a363 in show_help (menu=0x8b54f88) at scripts/kconfig/mconf.c:738 > > > #6 0x0804acec in conf (menu=0x8b69480) at scripts/kconfig/mconf.c:781 > > > #7 0x0804a971 in conf (menu=0x8063c40) at scripts/kconfig/mconf.c:703 > > > #8 0x0804af8a in main (ac=Cannot access memory at address 0x0 > > > ) at scripts/kconfig/mconf.c:917 > > > Looks somewhat strange -> http://194.231.229.228/menuconfig.png > > PS: Is without the patch you posted , I'll try with in a bit
The crash is still there but the (null)'s are all fixed by this patch. Gabriel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
