Date: Thu, 18 Jan 2024 15:30:02 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 276426] amd64: microcode update caused a page fault trying to send data to the logger Message-ID: <bug-276426-227-r8ZldOjqql@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-276426-227@https.bugs.freebsd.org/bugzilla/> References: <bug-276426-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D276426 Mark Linimon <linimon@FreeBSD.org> changed: What |Removed |Added ---------------------------------------------------------------------------- See Also| |https://bugs.freebsd.org/bu | |gzilla/show_bug.cgi?id=3D2= 667 | |30 --- Comment #1 from Mark Linimon <linimon@FreeBSD.org> --- John F. Carr 2024-01-14 00:58:27 UTC Today I updated my amd64 13.2-STABLE system for the first time in a month. = It crashed with a similar error on the first boot. A microcode update caused a page fault trying to send data to the logger. core.txt contents below. Th= is panic hadn't happened before on this system. Maybe the update to llvm17 affected code generation. Updating CPU Microcode... Fatal trap 12: page fault while in kernel mode cpuid =3D 45; apic id =3D 3b fault virtual address =3D 0x388e97560000 fault code =3D supervisor write data, page not present instruction pointer =3D 0x20:0xffffffff81088c43 stack pointer =3D 0x28:0xfffffe03a79d7ca0 frame pointer =3D 0x28:0xfffffe03a79d7ca0 code segment =3D base rx0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 145 (logger) trap number =3D 12 panic: page fault cpuid =3D 45 time =3D 1705192820 KDB: stack backtrace: #0 0xffffffff80c199b5 at kdb_backtrace+0x65 #1 0xffffffff80bcebf2 at vpanic+0x152 #2 0xffffffff80bce9f3 at panic+0x43 #3 0xffffffff8108c56c at trap_fatal+0x38c #4 0xffffffff8108c5d7 at trap_pfault+0x67 #5 0xffffffff81060f08 at calltrap+0x8 #6 0xffffffff80c337d5 at uiomove_faultflag+0x135 [this is a call to copyou= t() -jfc] #7 0xffffffff80c3de55 at pipe_read+0x2f5 #8 0xffffffff80c3a586 at dofileread+0x86 #9 0xffffffff80c3a0d2 at sys_read+0xc2 #10 0xffffffff8108ced0 at amd64_syscall+0x140 #11 0xffffffff8106181b at fast_syscall_common+0xf8 Uptime: 38s --=20 You are receiving this mail because: You are the assignee for the bug.=
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