Date: Wed, 22 Sep 2021 00:17:43 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Cy Schubert <Cy.Schubert@cschubert.com> Cc: src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org Subject: Re: git: bd9e0f5df681 - main - amd64: eliminate td_md.md_fpu_scratch Message-ID: <YUpL9%2BEEMrMa9Wy0@kib.kiev.ua> In-Reply-To: <202109212053.18LKrErT005572@slippy.cwsent.com> References: <202109211721.18LHLGn6028952@gitrepo.freebsd.org> <202109212053.18LKrErT005572@slippy.cwsent.com>
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On Tue, Sep 21, 2021 at 01:53:14PM -0700, Cy Schubert wrote: > In message <202109211721.18LHLGn6028952@gitrepo.freebsd.org>, Konstantin > Belous > ov writes: > > The branch main has been updated by kib: > > > > URL: https://cgit.FreeBSD.org/src/commit/?id=bd9e0f5df681da8b5ef05a587b4b5b07 > > 572d3fc2 > > > > commit bd9e0f5df681da8b5ef05a587b4b5b07572d3fc2 > > Author: Konstantin Belousov <kib@FreeBSD.org> > > AuthorDate: 2021-09-15 18:37:47 +0000 > > Commit: Konstantin Belousov <kib@FreeBSD.org> > > CommitDate: 2021-09-21 17:20:15 +0000 > > > > amd64: eliminate td_md.md_fpu_scratch > > This commit causes a panic running and i386 poudriere on an amd64. Notice > the ud2 machine instruction at line 107 in the disassemble portion of this > reply. > > Unread portion of the kernel message buffer: > interrupt enabled, resume, IOPL = 0 > current process = 5200 (cc) > trap number = 1 > panic: privileged instruction fault > cpuid = 3 > time = 1632253591 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame > 0xfffffe00e52377d0 > vpanic() at vpanic+0x187/frame 0xfffffe00e5237830 > panic() at panic+0x43/frame 0xfffffe00e5237890 > trap_fatal() at trap_fatal+0x387/frame 0xfffffe00e52378f0 > trap() at trap+0x8b/frame 0xfffffe00e5237a00 > calltrap() at calltrap+0x8/frame 0xfffffe00e5237a00 > --- trap 0x1, rip = 0xffffffff80a5fef1, rsp = 0xfffffe00e5237ad0, rbp = > 0xfffffe00e5237af0 --- > ia32_get_mcontext() at ia32_get_mcontext+0x181/frame 0xfffffe00e5237af0 > freebsd32_getcontext() at freebsd32_getcontext+0x52/frame 0xfffffe00e5237df0 > ia32_syscall() at ia32_syscall+0x126/frame 0xfffffe00e5237f30 > int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xffffca38 Should be fixed by c2ee4dfd0497. I converted get_fpcontext(), but forgot about same change for ia32_get_fpcontext(), sorry. Thank you for the report.
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