Date: Tue, 09 Feb 2021 00:17:00 +0000 From: bugzilla-noreply@freebsd.org To: emulation@FreeBSD.org Subject: [Bug 253335] emulators/qemu-user-static php segfault building devel/pear for armv7 Message-ID: <bug-253335-4077-KvNc5BNF84@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-253335-4077@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253335 --- Comment #9 from Mark Johnston <markj@FreeBSD.org> --- qemu is doing the mprotect here: Thread 1 hit Catchpoint 1 (call to syscall mprotect), 0x000000006049f48a in ?? () (gdb) bt #0 0x000000006049f48a in ?? () #1 0x00000000602b413a in page_find_alloc (index=5, alloc=1) at /usr/home/markj/src/freebsd-ports/emulators/qemu-user-static/work/qemu-bsd-user-39244526c0af/accel/tcg/translate-all.c:497 #2 page_lock_pair (ret_p1=<optimized out>, phys1=4095827272, ret_p2=<optimized out>, phys2=4294967295, alloc=1) at /usr/home/markj/src/freebsd-ports/emulators/qemu-user-static/work/qemu-bsd-user-39244526c0af/accel/tcg/translate-all.c:882 #3 tb_link_page (tb=0x60598280 <static_code_gen_buffer+166752>, phys_pc=4095827272, phys_page2=4294967295) at /usr/home/markj/src/freebsd-ports/emulators/qemu-user-static/work/qemu-bsd-user-39244526c0af/accel/tcg/translate-all.c:1628 #4 tb_gen_code (cpu=<optimized out>, pc=<optimized out>, cs_base=0, flags=1626480128, cflags=<optimized out>) at /usr/home/markj/src/freebsd-ports/emulators/qemu-user-static/work/qemu-bsd-user-39244526c0af/accel/tcg/translate-all.c:1831 #5 0x00000000602b2a95 in cpu_loop_exit_restore (cpu=0xf4215000, pc=4096) at /usr/home/markj/src/freebsd-ports/emulators/qemu-user-static/work/qemu-bsd-user-39244526c0af/accel/tcg/cpu-exec-common.c:72 #6 0x00000000602c2ff1 in target_cpu_loop (env=0x0) at /usr/home/markj/src/freebsd-ports/emulators/qemu-user-static/work/qemu-bsd-user-39244526c0af/bsd-user/arm/target_arch_cpu.h:259 #7 0x00000000602c2f89 in target_cpu_loop (env=0x860933c00) In tb_page_add() I see: 1560 /* force the host page as non writable (writes will have a 1561 page fault + mprotect overhead) */ but it looks like something's not implementing that...? -- You are receiving this mail because: You are on the CC list for the bug.help
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