Date: Fri, 14 Nov 2014 17:38:32 +0100 From: Ulrich Grey <usenet@ulrich-grey.de> To: Rui Paulo <rpaulo@me.com> Cc: freebsd-arm@freebsd.org Subject: Re: Wandboard-Quad crashes Message-ID: <20141114173832.ebddd36a320a5a0ac91701e3@ulrich-grey.de> In-Reply-To: <C6FED1A5-490C-47BE-B071-484271ED370E@me.com> References: <20141113125236.b16cd4e5f0e339eac0494cd4@ulrich-grey.de> <C6FED1A5-490C-47BE-B071-484271ED370E@me.com>
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On Thu, 13 Nov 2014 08:37:13 -0800 Rui Paulo <rpaulo@me.com> wrote: > On Nov 13, 2014, at 03:52, Ulrich Grey <usenet@ulrich-grey.de> wrote: > >=20 > > I am running FreeBSD on a Wandboard-Quad: > >=20 > > FreeBSD 11.0-CURRENT #0 r274420M: Wed Nov 12 14:17:26 UTC 2014 > > user@quad:/usr/local/DEVEL/obj/usr/local/DEVEL/SRC/head/sys/WANDBOAR= D-QUAD > > arm FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) > > 20140512 WARNING: WITNESS option enabled, expect reduced > > performance. CPU: Cortex A9-r2 rev 10 (Cortex-A core) > > Supported features: ARM_ISA THUMB2 JAZELLE THUMBEE ARMv4 > > Security_Ext > >=20 > > If I try to compile x11/libX11 the system frequently crashes: > >=20 > > Fatal kernel mode data abort: 'Alignment Fault 1' > > trapframe: 0xf72e0ae8 > > FSR=3D00000001, FAR=3D000000a7, spsr=3D60000013 > > r0 =3D00000004, r1 =3D00000000, r2 =3Dc242b953, r3 =3D00000970 > > r4 =3Dc847fd80, r5 =3Dc242b953, r6 =3D000000a7, r7 =3Dc7df6810 > > r8 =3D00000000, r9 =3D00000097, r10=3D00000970, r11=3Df72e0b68 > > r12=3D000000c0, ssp=3Df72e0b38, slr=3Dc220ebf4, pc =3Dc214fbb4 > >=20 > > [ thread pid 23015 tid 100147 ] > >=20 > > Stopped at __mtx_lock_flags+0x50: ldr r0, [r6] > >=20 > > What can I do? >=20 > Can you send us the backtrace? >=20 ---------------------- Now I have a coredump: root@quad:/usr/obj/usr/local/DEVEL/SRC/head/sys/WANDBOARD-QUAD # kgdb ker=07ne=07l.debug /var/crash/v=07mcore.0=20 GNU gdb 6.1.1 [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "armv6-marcel-freebsd"...Dwarf Error: wrong version in compilation unit header (is 0, should be 2) [in module /usr/local/DEVEL/obj/usr/local/DEVEL/SRC/head/sys/WANDBOARD-QUAD/ker= nel.debug] No symbol table is loaded. Use the "file" command. No symbol table is loaded. Use the "file" command. No symbol table is loaded. Use the "file" command. #0 0x00000000 in ?? () (kgdb) #0 0x00000000 in ?? () Cannot access memory at address 0x0 (kgdb) list No symbol table is loaded. Use the "file" command. (kgdb) file No executable file now. No symbol file now. (kgdb)=20 (kgdb) file kernel.symbols Reading symbols from kernel.symbols...Dwarf Error: wrong version in compilation unit header (is 0, should be 2) [in module /usr/local/DEVEL/obj/usr/local/DEVEL/SRC/head/sys/WANDBOARD-QUAD/ker= nel.symbols] (kgdb) Quit (kgdb) quit root@quad:/usr/obj/usr/local/DEVEL/SRC/head/sys/WANDBOARD-QUAD # ^D=08=08exit What is wrong?
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