Public bug reported:
Chromium-browser stopped working on NVIDIA Tegra20 devices since the
time it was switched to the snap packaging.
# gdb /snap/bin/chromium
...
Thread 11 "chrome" received signal SIGILL, Illegal instruction.
0xb6b4ee9a in std::__1::locale::__imp::__imp(unsigned int) () from
target:/snap/chromium/1211/usr/lib/chromium-browser/libffmpeg.so
(gdb) bt
#0 0xb6b4ee9a in std::__1::locale::__imp::__imp(unsigned int) () from
target:/snap/chromium/1211/usr/lib/chromium-browser/libffmpeg.so
#1 0xb6b509c8 in std::__1::locale::__global() () from
target:/snap/chromium/1211/usr/lib/chromium-browser/libffmpeg.so
#2 0xb6b50a32 in std::__1::locale::locale() () from
target:/snap/chromium/1211/usr/lib/chromium-browser/libffmpeg.so
#3 0xb6b3e7d0 in std::__1::basic_streambuf<char, std::__1::char_traits<char>
>::basic_streambuf() () from
target:/snap/chromium/1211/usr/lib/chromium-browser/libffmpeg.so
#4 0xb6b3ede6 in std::__1::DoIOSInit::DoIOSInit() () from
target:/snap/chromium/1211/usr/lib/chromium-browser/libffmpeg.so
#5 0xb6b3f9b2 in _GLOBAL__sub_I_iostream.cpp () from
target:/snap/chromium/1211/usr/lib/chromium-browser/libffmpeg.so
#6 0xb6f215c0 in ?? () from target:/lib/ld-linux-armhf.so.3
(gdb) layout asm
│ >0xb6b4ee9a <_ZNSt3__16locale5__impC2Ej+10> vmov.i32 q8, #0 ;
0x00000000
│ 0xb6b4ee9e <_ZNSt3__16locale5__impC2Ej+14> mov r9, r0
│ 0xb6b4eea0 <_ZNSt3__16locale5__impC2Ej+16> add.w r3, r9, #40 ;
0x28
NVIDIA Tegra20 is one of ARMv7 CPUs which do not support NEON instructions,
"vmov.i32 q8" is the ARM NEON instruction because q8 is the NEON register. Will
be great if the compiler flags could be changed back to what was used for the
deb packaging, thanks in advance!
** Affects: chromium-browser (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1884856
Title:
Chromium-browser is built with NEON on armhf (SIGILL, Illegal
instruction)
Status in chromium-browser package in Ubuntu:
New
Bug description:
Chromium-browser stopped working on NVIDIA Tegra20 devices since the
time it was switched to the snap packaging.
# gdb /snap/bin/chromium
...
Thread 11 "chrome" received signal SIGILL, Illegal instruction.
0xb6b4ee9a in std::__1::locale::__imp::__imp(unsigned int) () from
target:/snap/chromium/1211/usr/lib/chromium-browser/libffmpeg.so
(gdb) bt
#0 0xb6b4ee9a in std::__1::locale::__imp::__imp(unsigned int) () from
target:/snap/chromium/1211/usr/lib/chromium-browser/libffmpeg.so
#1 0xb6b509c8 in std::__1::locale::__global() () from
target:/snap/chromium/1211/usr/lib/chromium-browser/libffmpeg.so
#2 0xb6b50a32 in std::__1::locale::locale() () from
target:/snap/chromium/1211/usr/lib/chromium-browser/libffmpeg.so
#3 0xb6b3e7d0 in std::__1::basic_streambuf<char, std::__1::char_traits<char>
>::basic_streambuf() () from
target:/snap/chromium/1211/usr/lib/chromium-browser/libffmpeg.so
#4 0xb6b3ede6 in std::__1::DoIOSInit::DoIOSInit() () from
target:/snap/chromium/1211/usr/lib/chromium-browser/libffmpeg.so
#5 0xb6b3f9b2 in _GLOBAL__sub_I_iostream.cpp () from
target:/snap/chromium/1211/usr/lib/chromium-browser/libffmpeg.so
#6 0xb6f215c0 in ?? () from target:/lib/ld-linux-armhf.so.3
(gdb) layout asm
│ >0xb6b4ee9a <_ZNSt3__16locale5__impC2Ej+10> vmov.i32 q8, #0 ;
0x00000000
│ 0xb6b4ee9e <_ZNSt3__16locale5__impC2Ej+14> mov r9, r0
│ 0xb6b4eea0 <_ZNSt3__16locale5__impC2Ej+16> add.w r3, r9, #40 ;
0x28
NVIDIA Tegra20 is one of ARMv7 CPUs which do not support NEON instructions,
"vmov.i32 q8" is the ARM NEON instruction because q8 is the NEON register. Will
be great if the compiler flags could be changed back to what was used for the
deb packaging, thanks in advance!
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