[Bug 240037] emulators/qemu-user-static: READ_SPECIALREG(ID_AA64ISAR0_EL1) crashes qemu on aarch64
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Date: Wed, 14 Aug 2024 16:59:53 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240037
Jesper Schmitz Mouridsen <jsm@FreeBSD.org> changed:
What |Removed |Added
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CC| |jsm@FreeBSD.org
--- Comment #8 from Jesper Schmitz Mouridsen <jsm@FreeBSD.org> ---
(In reply to Jan Beich from comment #2)
I ended up in work/nss-3.102/nss/lib/freebl/blinit.c :248
#elif defined(__FreeBSD__)
/* qemu-user does not support register access from userspace */
if (PR_GetEnvSecure("QEMU_EMULATING") == NULL) {
uint64_t isar0 = READ_SPECIALREG(id_aa64isar0_el1);
The qemu_*.core dumps are still randomly invalid and off size 64 only I am on
FreeBSD-14.1 as well as 14.0
so setting QEMU_EMULATING works around it, does poudriere set that?
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