Date: Thu, 23 Jul 2015 13:58:06 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 201789] [crash] Fatal trap 12: page fault while in kernel mode Message-ID: <bug-201789-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=201789 Bug ID: 201789 Summary: [crash] Fatal trap 12: page fault while in kernel mode Product: Base System Version: 10.1-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: cyberspouk@gmail.com Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0xffffffff83449abc fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff80931c30 stack pointer = 0x28:0xfffffe02c796cad0 frame pointer = 0x28:0xfffffe02c796cae0 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 = 5554 (chrome) trap number = 12 panic: page fault cpuid = 1 KDB: stack backtrace: #0 0xffffffff80963000 at kdb_backtrace+0x60 #1 0xffffffff80928125 at panic+0x155 #2 0xffffffff80d24f1f at trap_fatal+0x38f #3 0xffffffff80d25238 at trap_pfault+0x308 #4 0xffffffff80d2489a at trap+0x47a #5 0xffffffff80d0a782 at calltrap+0x8 #6 0xffffffff80d258bf at amd64_syscall+0x3bf #7 0xffffffff80d0aa6b at Xfast_syscall+0xfb Uptime: 4h50m54s Dumping 761 out of 10213 MB:..3%..11%..21%..32%..42%..51%..61%..72%..82%..91% (kgdb) list *0xffffffff80931c30 0xffffffff80931c30 is in syscall_thread_exit (/usr/src/sys/kern/kern_syscalls.c:99). 94 syscall_thread_exit(struct thread *td, struct sysent *se) 95 { 96 u_int32_t cnt, oldcnt; 97 98 do { 99 oldcnt = se->sy_thrcnt; 100 if ((oldcnt & SY_THR_STATIC) != 0) 101 return; 102 cnt = oldcnt - SY_THR_INCR; 103 } while (atomic_cmpset_rel_32(&se->sy_thrcnt, oldcnt, cnt) == 0); (kgdb) backtrace #0 doadump (textdump=<value optimized out>) at pcpu.h:219 #1 0xffffffff80927da2 in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:452 #2 0xffffffff80928164 in panic (fmt=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:759 #3 0xffffffff80d24f1f in trap_fatal (frame=<value optimized out>, eva=<value optimized out>) at /usr/src/sys/amd64/amd64/trap.c:865 #4 0xffffffff80d25238 in trap_pfault (frame=0xfffffe02c796ca20, usermode=<value optimized out>) at /usr/src/sys/amd64/amd64/trap.c:676 #5 0xffffffff80d2489a in trap (frame=0xfffffe02c796ca20) at /usr/src/sys/amd64/amd64/trap.c:440 #6 0xffffffff80d0a782 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:232 #7 0xffffffff80931c30 in syscall_thread_exit (td=0xfffff801d939d000, se=0xffffffff83449a90) at /usr/src/sys/kern/kern_syscalls.c:95 #8 0xffffffff80d258bf in amd64_syscall (td=0xfffff801d939d000, traced=0) at subr_syscall.c:151 #9 0xffffffff80d0aa6b in Xfast_syscall () at /usr/src/sys/amd64/amd64/exception.S:391 #10 0x000000080f0e304a in ?? () (kgdb) -- You are receiving this mail because: You are the assignee for the bug.
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