Page fault

[karthik holla]

I am experiencing page faults while using Chrome with several tabs open.
Here is my dmesg log

Jul 20 13:45:06 localhost kernel: drm0 on vgapci0
> Jul 20 13:45:06 localhost kernel: iwm0: <Intel(R) Dual Band Wireless AC
> 3160> mem 0xa9100000-0xa9101fff irq 18 at device 0.0 on pci6
> Jul 20 13:45:06 localhost kernel: iwm0: hw rev 0x160, fw ver 17.352738.0,
> address e4:02:9b:47:d7:cc
> Jul 20 13:45:06 localhost kernel: wlan0: driver didn't set altq_maxlen
> Jul 20 13:45:06 localhost kernel: wlan0: MAC address: e4:02:9b:47:d7:cc
> Jul 20 13:45:06 localhost kernel: ums0: <Logitech USB Receiver, class 0/0,
> rev 2.00/12.03, addr 1> on usbus0
> Jul 20 13:45:06 localhost kernel: ums0: 16 buttons and [XYZT] coordinates
> ID=2
> Jul 20 13:45:06 localhost kernel: ums1: <eGalax Inc. eGalaxTouch
> EXC3000-0367-44.00.00, class 0/0, rev 2.01/67.10, addr 4> on usbus0
> Jul 20 13:45:06 localhost savecore: reboot after panic: page fault
> Jul 20 13:45:06 localhost savecore: writing kernel to kern.3
> Jul 20 13:45:07 localhost savecore: writing core to vmcore.3
>

Here is my dump of /var/crash/core.txt.0

 Fatal trap 12: page fault while in kernel mode

cpuid = 3; lapic id = 3

fault virtual address = 0x8d

fault code = supervisor read data, page not present

instruction pointer = 0x8:0xffffffff809bc300

stack pointer        = 0x10:0xfffff800d9a248f0

frame pointer        = 0x10:0xfffff800d9a24ab0

code segment = base 0x0, limit 0xfffff, type 0x1b

= DPL 0, pres 1, long 0, def32 0, gran 1

processor eflags = interrupt enabled, resume, IOPL = 0

current process = Idle

current thread          = pri 12

trap number = 12

panic: page fault

cpuid = 3

Trace beginning at frame 0xfffff800d9a246e8

trap_fatal() at trap_fatal+0x301 0xffffffff80bea271

trap_fatal() at trap_fatal+0x301 0xffffffff80bea271

trap_pfault() at trap_pfault+0x475 0xffffffff80bea895

trap() at trap+0x17c 0xffffffff80beadbc

calltrap() at calltrap+0x9 0xffffffff80bae4aa

--- trap 000000000000000c, rip = ffffffff809bc300, rsp = fffff800d9a248e0,
> rbp = fffff800d9a24ab0 ---

vm_pageout_thread() at vm_pageout_thread+0x1250 0xffffffff809bc300

boot() called on cpu#3

Uptime: 57m11s

Physical memory: 8060 MB

Dumping 1326 MB: 1311 1295 1279 1263 1247 1231 1215 1199 1183 1167 1151
> 1135 1119 1103 1087 1071 1055 1039 1023 1007 991 975 959 943 927 911 895
> 879 863 847 831 815 799 783 767 751 735 719 703 687 671 655 639 623 607 591
> 575 559 543 527 511 495 479 463 447 431 415 399 383 367 351 335 319 303 287
> 271 255 239 223 207 191 175 159 143 127 111 95 79 63 47 31 15


Thanks
Karthik
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