https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253687
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: b...@freebsd.org
Reporter: zlei.hu...@gmail.com
Created attachment 222630
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=222630&action=edit
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 guest
type).
2. kldload hwpmc
3. pmccontrol -l
Kernel panic core dump text summary:
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0xc
fault code = supervisor read data, page not present
instruction pointer = 0x20:0xffffffff82c25a90
stack pointer = 0x0:0xfffffe007c8ed9b0
frame pointer = 0x0:0xfffffe007c8edac0
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 832 (pmccontrol)
trap number = 12
panic: page fault
cpuid = 0
time = 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%
--
You are receiving this mail because:
You are the assignee for the bug.
_______________________________________________
freebsd-bugs@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/freebsd-bugs
To unsubscribe, send any mail to "freebsd-bugs-unsubscr...@freebsd.org"
