Running rustc -V binary on SailfishOS 2.0.1.11 (Taalojärvi) (armv7hl) raised Exception

[corvinux]

LOG of whole installation process, running script curl https://sh.rustup.rs -sSf | sh as suggested on https://www.rustup.rs/ is here http://paste2.org/y23WWxCA,

This is output from journalctrl -f regarding running rustc -V in bash cli
May 07 18:55:24 Jolla kernel: rustc (13431): undefined instruction: pc=402c8d68
May 07 18:55:24 Jolla kernel: Code: e320f000 e320f000 f2200150 e12fff1e (ec510f1e)
May 07 18:55:24 Jolla kernel: rustc(13431) send signal 4 to rustc(13431)
May 07 18:55:24 Jolla kernel: rustc: unhandled page fault (11) at 0xbe8ce5fc, code 0x805
May 07 18:55:24 Jolla kernel: pgd = e4fc0000
May 07 18:55:24 Jolla kernel: [be8ce5fc] *pgd=00000000
May 07 18:55:24 Jolla kernel: May 07 18:55:24 Jolla kernel: Pid: 13432, comm: rustc
May 07 18:55:24 Jolla kernel: CPU: 0 Tainted: P W O (3.4.108.20150901.1 #1)
May 07 18:55:24 Jolla kernel: PC is at 0x400aedf0
May 07 18:55:24 Jolla kernel: LR is at 0x400a0e61
May 07 18:55:24 Jolla kernel: pc : [<400aedf0>] lr : [<400a0e61>] psr: 60070030
sp : be8ce600 ip : beacecec fp : beacef1c
May 07 18:55:24 Jolla kernel: r10: 0020061a r9 : 400b1494 r8 : beacee7c
May 07 18:55:24 Jolla kernel: r7 : beacec38 r6 : beacee44 r5 : be8ce610 r4 : beacef1c
May 07 18:55:24 Jolla kernel: r3 : 00000004 r2 : 00000000 r1 : 00163780 r0 : 00000003
May 07 18:55:24 Jolla kernel: Flags: nZCv IRQs on FIQs on Mode USER_32 ISA Thumb Segment user
May 07 18:55:24 Jolla kernel: Control: 10c5787d Table: a51c006a DAC: 00000015
May 07 18:55:24 Jolla kernel: from
May 07 18:55:24 Jolla kernel: from
May 07 18:55:24 Jolla kernel: from
May 07 18:55:24 Jolla kernel: from
May 07 18:55:24 Jolla kernel: Exception stack(0xc4543fb0 to 0xc4543ff8)
May 07 18:55:24 Jolla kernel: 3fa0: 00000003 00163780 00000000 00000004
May 07 18:55:24 Jolla kernel: 3fc0: beacef1c be8ce610 beacee44 beacec38 beacee7c 400b1494 0020061a beacef1c
May 07 18:55:24 Jolla kernel: 3fe0: beacecec be8ce600 400a0e61 400aedf0 60070030 ffffffff
May 07 18:55:24 Jolla kernel: rustc(13432) send signal 11 to rustc(13432)

[MagaTailor]

If it doesn't happen with the arm- triple (instead of armv7), the ARM part you're running this on probably doesn't have NEON. (Thumb2?)

If it still does, run the command in gdb and post the backtrace.

[corvinux]

[root@Jolla ~]# cat /proc/cpuinfo
Processor : ARMv7 Processor rev 4 (v7l)
processor : 0
BogoMIPS : 13.53

processor : 1
BogoMIPS : 13.53

Features : swp half thumb fastmult vfp edsp neon vfpv3 tls
CPU implementer : 0x51
CPU architecture: 7
CPU variant : 0x1
CPU part : 0x04d
CPU revision : 4

Hardware : QCT MSM8930 CDP
Revision : 300000
Serial : 0000000000000000

I've installed Nightly Build:
[root@Jolla tmp]# curl -sSf https://static.rust-lang.org/rustup.sh | sh -s -- --channel=nightly
rustup: gpg available. signatures will be verified
rustup: downloading manifest for 'nightly'
rustup: downloading toolchain for 'nightly'
######################################################################## 100.0%
gpg: Signature made Sun May 8 14:18:57 2016 CEST using RSA key ID 7B3B09DC
gpg: Good signature from "Rust Language (Tag and Release Signing Key) rust-key@rust-lang.org"
gpg: WARNING: This key is not certified with a trusted signature!
gpg: There is no indication that the signature belongs to the owner.
Primary key fingerprint: 108F 6620 5EAE B0AA A8DD 5E1C 85AB 96E6 FA1B E5FE
Subkey fingerprint: C134 66B7 E169 A085 1886 3216 5CB4 A934 7B3B 09DC
rustup: installing toolchain for 'nightly'
rustup: extracting installer
install: creating uninstall script at /usr/local/lib/rustlib/uninstall.sh
install: installing component 'rustc'
install: installing component 'rust-std-armv7-unknown-linux-gnueabihf'
install: installing component 'rust-docs'
install: installing component 'cargo'

Rust is ready to roll.

When I try to run lustc -V or what ever I get this:
[root@Jolla ~]# rust-gdb
[root@Jolla ~]# dmesg
[88921.186285] rustc: unhandled page fault (11) at 0xbec2ac74, code 0x817
[88921.186285] pgd = c301c000
[88872.251659] sps:BAM 0x124c2000 enabled: ver:0x5, number of pipes:6
[88921.186315] [bec2ac74] *pgd=a47ca831
[88921.186315] , *pte=00000000, *ppte=00000000

[88921.186346] Pid: 32077, comm: rustc
[88921.186346] CPU: 1 Tainted: P W O (3.4.108.20150901.1 #1)
[88921.186376] PC is at 0x4012cdf0
[88921.186376] LR is at 0x4011ee61
[88921.186407] pc : [<4012cdf0>] lr : [<4011ee61>] psr: 60070030
sp : bec2ac78 ip : bee2c2a8 fp : bee2c4dc
[88921.186407] r10: 002015a0 r9 : 4012f494 r8 : bee2c43c
[88921.186437] r7 : bee2c230 r6 : bee2c404 r5 : bec2ac88 r4 : bee2c4dc
[88921.186437] r3 : 00000004 r2 : 00000000 r1 : 00163d30 r0 : 00000003
[88921.186468] Flags: nZCv IRQs on FIQs on Mode USER_32 ISA Thumb Segment user
[88921.186468] Control: 10c5787d Table: 8321c06a DAC: 00000015
[88921.186498] from
[88921.186529] from
[88921.186559] from
[88921.186590] from
[88921.186590] Exception stack(0xc3053fb0 to 0xc3053ff8)
[88921.186620] 3fa0: 00000003 00163d30 00000000 00000004
[88921.186620] 3fc0: bee2c4dc bec2ac88 bee2c404 bee2c230 bee2c43c 4012f494 002015a0 bee2c4dc
[88921.186651] 3fe0: bee2c2a8 bec2ac78 4011ee61 4012cdf0 60070030 ffffffff
[88921.186651] rustc(32077) send signal 11 to rustc(32077)
Which as I know, shouldn't happened.

[corvinux]

[root@Jolla ~]# rustc --help
Segmentation fault
[root@Jolla ~]# rustc -V
Segmentation fault
[root@Jolla ~]#

[corvinux]

(gdb) run
Starting program: /usr/local/bin/rustc

Program received signal SIGSEGV, Segmentation fault.
lseek () at ../sysdeps/unix/syscall-template.S:81
81 ../sysdeps/unix/syscall-template.S: No such file or directory.
(gdb) backtrace
#0 lseek () at ../sysdeps/unix/syscall-template.S:81
#1 0x40004e60 in open_verify (name=name@entry=0xbefff268 "/usr/local/bin/../lib/libstd-1d20f6bd73ff8b5a.so",
fbp=fbp@entry=0xbefff3f4, loader=loader@entry=0x4002a908, whatcode=whatcode@entry=4, found_other_class=0xbefff3e0,
free_name=false) at dl-load.c:2134
#2 0x40005138 in open_path (name=name@entry=0x2a0004d5 "libstd-1d20f6bd73ff8b5a.so", namelen=namelen@entry=27,
secure=secure@entry=0, sps=, realname=realname@entry=0xbefff3e8, fbp=fbp@entry=0xbefff3f4,
loader=loader@entry=0x4002a908, whatcode=whatcode@entry=4, found_other_class=found_other_class@entry=0xbefff3e0)
at dl-load.c:2252
#3 0x400074c8 in _dl_map_object (loader=0x4002a908, name=0x2a0004d5 "libstd-1d20f6bd73ff8b5a.so", type=1, trace_mode=0,
mode=mode@entry=0, nsid=nsid@entry=0) at dl-load.c:2459
#4 0x4000a83e in openaux (a=0xbefff8a0) at dl-deps.c:63
#5 0x4000c68c in _dl_catch_error (objname=objname@entry=0xbefff898, errstring=errstring@entry=0xbefff890,
mallocedp=mallocedp@entry=0xbefff888, operate=0x4000a819 , args=args@entry=0xbefff8a0) at dl-error.c:187
#6 0x4000acb4 in _dl_map_object_deps (map=map@entry=0x4002a908, preloads=, npreloads=npreloads@entry=0,
trace_mode=trace_mode@entry=0, open_mode=open_mode@entry=0) at dl-deps.c:254
#7 0x400027ec in dl_main (phdr=, phnum=, user_entry=, auxv=)
at rtld.c:1774
#8 0x400116fe in _dl_sysdep_start (start_argptr=start_argptr@entry=0xbefffcb0, dl_main=0x400011ad <dl_main>)
at ../elf/dl-sysdep.c:249
#9 0x4000114a in _dl_start_final (arg=arg@entry=0xbefffcb0, info=info@entry=0xbefffa30) at rtld.c:332
#10 0x40003f36 in _dl_start (arg=0xbefffcb0) at rtld.c:560
#11 0x40000c4e in _start () from /lib/ld-linux-armhf.so.3
#12 0x40000c4e in _start () from /lib/ld-linux-armhf.so.3
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

[MagaTailor]

Two questions:

• did you install the other ARM distribution (arm-unknown-linux-gnueabihf) or is the trace still coming from armv7-?
• does Sailfish OS handle any and all GNU Linux binaries without a problem? (what's your glibc version)

[corvinux]

I've tried also yesterday compiling from rustc-nightly source on my Jolla phone.
make && make install

.
It has stopped with this
COMPILE: triple/builtins/arm: /root/tmp/rustc-nightly/src/compiler-rt/lib/builtins/udivsi3.c
COMPILE: triple/builtins/arm: /root/tmp/rustc-nightly/src/compiler-rt/lib/builtins/udivti3.c
COMPILE: triple/builtins/arm: /root/tmp/rustc-nightly/src/compiler-rt/lib/builtins/umoddi3.c
COMPILE: triple/builtins/arm: /root/tmp/rustc-nightly/src/compiler-rt/lib/builtins/umodsi3.c
COMPILE: triple/builtins/arm: /root/tmp/rustc-nightly/src/compiler-rt/lib/builtins/umodti3.c
MKDIR: /root/tmp/rustc-nightly/arm-unknown-linux-gnueabihf/rt/compiler-rt/triple/builtins/arm
ARCHIVE: triple/builtins/arm: /root/tmp/rustc-nightly/arm-unknown-linux-gnueabihf/rt/compiler-rt/triple/builtins/arm/libcompiler_rt.a
MKDIR: /root/tmp/rustc-nightly/arm-unknown-linux-gnueabihf/rt/compiler-rt/triple/builtins
FINAL-ARCHIVE: triple/builtins: /root/tmp/rustc-nightly/arm-unknown-linux-gnueabihf/rt/compiler-rt/triple/builtins/libcompiler_rt.a
make[1]: Leaving directory `/root/tmp/rustc-nightly/src/compiler-rt'
mkdir -p arm-unknown-linux-gnueabihf/stage0/lib/rustlib/arm-unknown-linux-gnueabihf/lib/
cp: arm-unknown-linux-gnueabihf/stage0/lib/rustlib/arm-unknown-linux-gnueabihf/lib/libcompiler-rt.a
rustc: arm-unknown-linux-gnueabihf/stage0/lib/rustlib/arm-unknown-linux-gnueabihf/lib/libcore
make: *** [arm-unknown-linux-gnueabihf/stage0/lib/rustlib/arm-unknown-linux-gnueabihf/lib/stamp.core] Segmentation fault
[root@Jolla rustc-nightly]#
[root@Jolla rustc-nightly]#

[corvinux]

I also tried to build from git and I got the same output:
COMPILE: triple/builtins/arm: /root/rust/src/compiler-rt/lib/builtins/ucmpdi2.c
COMPILE: triple/builtins/arm: /root/rust/src/compiler-rt/lib/builtins/ucmpti2.c
COMPILE: triple/builtins/arm: /root/rust/src/compiler-rt/lib/builtins/udivdi3.c
COMPILE: triple/builtins/arm: /root/rust/src/compiler-rt/lib/builtins/udivmoddi4.c
COMPILE: triple/builtins/arm: /root/rust/src/compiler-rt/lib/builtins/udivmodsi4.c
COMPILE: triple/builtins/arm: /root/rust/src/compiler-rt/lib/builtins/udivmodti4.c
COMPILE: triple/builtins/arm: /root/rust/src/compiler-rt/lib/builtins/udivsi3.c
COMPILE: triple/builtins/arm: /root/rust/src/compiler-rt/lib/builtins/udivti3.c
COMPILE: triple/builtins/arm: /root/rust/src/compiler-rt/lib/builtins/umoddi3.c
COMPILE: triple/builtins/arm: /root/rust/src/compiler-rt/lib/builtins/umodsi3.c
COMPILE: triple/builtins/arm: /root/rust/src/compiler-rt/lib/builtins/umodti3.c
MKDIR: /root/rust/arm-unknown-linux-gnueabihf/rt/compiler-rt/triple/builtins/arm
ARCHIVE: triple/builtins/arm: /root/rust/arm-unknown-linux-gnueabihf/rt/compiler-rt/triple/builtins/arm/libcompiler_rt.a
MKDIR: /root/rust/arm-unknown-linux-gnueabihf/rt/compiler-rt/triple/builtins
FINAL-ARCHIVE: triple/builtins: /root/rust/arm-unknown-linux-gnueabihf/rt/compiler-rt/triple/builtins/libcompiler_rt.a
make[2]: Leaving directory /root/rust/src/compiler-rt' mkdir -p arm-unknown-linux-gnueabihf/stage0/lib/rustlib/arm-unknown-linux-gnueabihf/lib/ cp: arm-unknown-linux-gnueabihf/stage0/lib/rustlib/arm-unknown-linux-gnueabihf/lib/libcompiler-rt.a rustc: arm-unknown-linux-gnueabihf/stage0/lib/rustlib/arm-unknown-linux-gnueabihf/lib/libcore make[1]: *** [arm-unknown-linux-gnueabihf/stage0/lib/rustlib/arm-unknown-linux-gnueabihf/lib/stamp.core] Segmentation fault make[1]: Leaving directory/root/rust'
make: *** [install] Error 2
[1]+ Exit 2 make

[MagaTailor]

This answers my first question, and from the trace you provided it seems the crash happens very early, probably still in the dynamic loader. That's why I asked you about your glibc version and GNU Linux binaries compatibility. You can throw in other libraries's versions and your gcc -v.

Did you try running cargo?

[corvinux]

root@Jolla rust]# gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/armv7hl-meego-linux-gnueabi/4.8.3/lto-wrapper
Target: armv7hl-meego-linux-gnueabi
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --disable-bootstrap --with-bugurl=http://bugs.merproject.org/ --build=armv7hl-meego-linux-gnueabi --with-isl=/home/abuild/rpmbuild/BUILD/gcc-linaro-4.8-2014.01/obj-armv7hl-meego-linux-gnueabi/isl-install --with-cloog=/home/abuild/rpmbuild/BUILD/gcc-linaro-4.8-2014.01/obj-armv7hl-meego-linux-gnueabi/cloog-install --disable-libstdcxx-pch --with-float=hard --with-fpu=neon --with-mode=thumb --with-arch=armv7-a --disable-sjlj-exceptions --disable-multilib --enable-checking=release --disable-fixed-point --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-lto --enable-linker-build-id --enable-languages=c,c++,objc,obj-c++ --enable-threads=posix --enable-shared --disable-libgcj --build=armv7hl-meego-linux-gnueabi
Thread model: posix
gcc version 4.8.3 20140106 (Mer 4.8.3-1) (Linaro GCC 4.8-2014.01)

root@Jolla rust]# ldd --version
ldd (EGLIBC) 2.19
Copyright (C) 2014 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Written by Roland McGrath and Ulrich Drepper

root@Jolla rust]# /lib/libc.so.6
GNU C Library (EGLIBC) stable release version 2.19, by Roland McGrath et al.
Copyright (C) 2014 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Compiled by GNU CC version 4.8.3 20140106 (Mer 4.8.3-1).
Compiled on OBS, see rpm -q glibc for more information
Available extensions:
crypt add-on version 2.1 by Michael Glad and others
GNU Libidn by Simon Josefsson
Native POSIX Threads Library by Ulrich Drepper et al
BIND-8.2.3-T5B
libc ABIs: UNIQUE
For bug reporting instructions, please see:
http://www.eglibc.org/issues/.
[root@Jolla rust]#

[MagaTailor]

Now you're talking! It's a recent distro with glibc 2.19 - you should be able to try out my stage0 snapshot or some unofficial builds, e.g. Rust 1.8 stable from https://github.com/warricksothr/RustBuild

I recommend the stage0 binary first, it has very few dependencies.

[corvinux]

@petevine Thanks for help, your stage0, works. 👍

[MagaTailor]

Great, let us know if you manage to bootstrap a full rust compiler. (or run one of the unofficial builds)

If you do, the issue should be solvable, @japaric will probably have a word or two with the buildbot :)