Date: Mon, 20 Apr 2020 23:54:16 +0200 From: =?UTF-8?Q?BERTRAND_Jo=c3=abl?= <joel.bertrand@systella.fr> To: cem@freebsd.org Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: Re: Segfault on some applications using qt5 Message-ID: <0c506fc6-8042-559b-2e4f-c7245a79be7f@systella.fr> In-Reply-To: <CAG6CVpU%2Bb1HP7mRWJdQM2n1XY3Bk17%2BMXhTHUB48Qn-h=1owzQ@mail.gmail.com> References: <fc23aeb1-7dc4-e5df-3fb7-77a39f1094a6@systella.fr> <695d2c45-9901-3f3e-ec7d-d11b75efa8e6@systella.fr> <CAG6CVpU%2Bb1HP7mRWJdQM2n1XY3Bk17%2BMXhTHUB48Qn-h=1owzQ@mail.gmail.com>
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Conrad Meyer a écrit : > What version of FreeBSD is this? When you reproduce the crash, can > you provide gdb "info locals", "info args", and "info registers" in > frame 0 context? I have tried to obtain these informations. Context: okular provided by ports and qt5 (5.14.2) built from sources. (gdb) info locals No symbol table info available. (gdb) info args No symbol table info available. (gdb) info registers rax 0x805e65220 34458718752 rbx 0x272 626 rcx 0x805e28000 34458468352 rdx 0x3d220 250400 rsi 0x3d220 250400 rdi 0x805e28000 34458468352 rbp 0x7fffffffcc30 0x7fffffffcc30 rsp 0x7fffffffcc30 0x7fffffffcc30 r8 0xff000000 4278190080 r9 0xef 239 r10 0x801872850 34385373264 r11 0x0 0 r12 0x80403c700 34427094784 r13 0x0 0 r14 0x64 100 r15 0x0 0 rip 0x80163fa20 0x80163fa20 <qt_memfillXX_avx2(unsigned char*, long long __vector(4), long long)+32> eflags 0x10206 [ PF IF RF ] cs 0x43 67 ss 0x3b 59 ds <unavailable> es <unavailable> fs <unavailable> gs <unavailable> fs_base 0x802ffd8e0 34410060000 gs_base 0x0 0 (gdb) If I try to reproduce this bug with a new qt5 configuration (-no-strip -no-evdev -no-avx -no-avx2 -no-avx512), okular aborts in the _same_ function (qt_memfillXX_avx2). Best regards, JKB
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