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[Bug 289285] Linuxlator fails to run the chrome browser: unsupported prctl option 1398164801; unsupported sigaction flag 0x800; PTRAGE_GETREGSET NT_PRFPREG not implemented

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Subject	[Bug 289285] Linuxlator fails to run the chrome browser: unsupported prctl option 1398164801; unsupported sigaction flag 0x800; PTRAGE_GETREGSET NT_PRFPREG not implemented
Date	Tue, 02 Jun 2026 07:26:50 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=289285

--- Comment #8 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=c515e6040614434a9262ee8b5ac54b81476ec7ff

commit c515e6040614434a9262ee8b5ac54b81476ec7ff
Author:     Ricardo Branco <rbranco@suse.de>
AuthorDate: 2026-04-26 14:45:35 +0000
Commit:     Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org>
CommitDate: 2026-06-02 07:25:37 +0000

    linux: Implement PTRACE_GETREGSET NT_PRFPREG and NT_X86_XSTATE

    Implement NT_PRFPREG and NT_X86_XSTATE for PTRACE_GETREGSET on amd64.
    Chrome's crashpad handler uses these to collect floating-point and
    extended CPU register state for crash dumps.

    Other architectures retain the previous EINVAL stub behavior.

    Signed-off-by:  Ricardo Branco <rbranco@suse.de>
    PR:             289285
    Reviewed by:    kib
    Pull-Request:   https://github.com/freebsd/freebsd-src/pull/2165

 sys/compat/linux/linux_ptrace.c | 91 ++++++++++++++++++++++++++++++++++++++---
 1 file changed, 85 insertions(+), 6 deletions(-)

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[Bug 289285] Linuxlator fails to run the chrome browser: unsupported prctl option 1398164801; unsupported sigaction flag 0x800; PTRAGE_GETREGSET NT_PRFPREG not implemented bugzilla-noreply@freebsd.org - 2026-06-02 07:26 +0000

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