Date: Fri, 19 Feb 2021 10:14:05 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 253687] [hwpmc] kernel panic when listing available hardware performance counters Message-ID: <bug-253687-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D253687 Bug ID: 253687 Summary: [hwpmc] kernel panic when listing available hardware performance counters Product: Base System Version: 13.0-STABLE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: zlei.huang@gmail.com Created attachment 222630 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D222630&action= =3Dedit FreeBSD 13.0 BETA2 hwpmc core dump text Steps to repeat: 1. Fresh install FreeBSD 13.0 BETA2 on Fusion 12.1.0 VM (FreeBSD 12 64bit g= uest type). 2. kldload hwpmc 3. pmccontrol -l Kernel panic core dump text summary: Fatal trap 12: page fault while in kernel mode cpuid =3D 0; apic id =3D 00 fault virtual address =3D 0xc fault code =3D supervisor read data, page not present instruction pointer =3D 0x20:0xffffffff82c25a90 stack pointer =3D 0x0:0xfffffe007c8ed9b0 frame pointer =3D 0x0:0xfffffe007c8edac0 code segment =3D base 0x0, 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 832 (pmccontrol) trap number =3D 12 panic: page fault cpuid =3D 0 time =3D 1613757734 KDB: stack backtrace: #0 0xffffffff80c56695 at kdb_backtrace+0x65 #1 0xffffffff80c09261 at vpanic+0x181 #2 0xffffffff80c090d3 at panic+0x43 #3 0xffffffff810891a7 at trap_fatal+0x387 #4 0xffffffff810891ff at trap_pfault+0x4f #5 0xffffffff8108885d at trap+0x27d #6 0xffffffff8105fc38 at calltrap+0x8 #7 0xffffffff8108a0f5 at amd64_syscall+0x755 #8 0xffffffff8106055e at fast_syscall_common+0xf8 Uptime: 1m34s Dumping 174 out of 471 MB:..10%..19%..28%..37%..46%..56%..65%..74%..83%..92% --=20 You are receiving this mail because: You are the assignee for the bug.=
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