OS X El Capitan - Unexpected Restart | Error code: 0x0000000000000000\n"@/Library/Caches/com.apple.xbs/Sources/xnu/xnu-3248.30.4/osfmk/i386/trap_native.c:168

Ever since updating my Macbook Pro to Mac OS X El Capitan 10.11.3, I've been experiencing frequent unexpected restarts.

It typically occurs when several web browser tabs are open at once where I'm streaming video and surfing image / animated GIF heavy sites.

Italicized below is the thrown error message. What is the methodology to troubleshoot? Note: I already updated to the latest OS version, and ran "First Aid" Disk Utility.app (no maladies were detected), but to no avail.

Anonymous UUID: 05A8D652-6D58-9610-232C-250CDC2C06F1

Thu Jan 21 21:47:00 2016

*** Panic Report ***

panic(cpu 0 caller 0xffffff800bdd301a): "Double fault at 0xffffff800bd51014, registers:\n" "CR0: 0x000000008001003b, CR2: 0xffffff80a5d57ff8, CR3: 0x000000000f0e9000, CR4: 0x00000000001626e0\n" "RAX: 0x0000000000000002, RBX: 0xffffff80a5d58210, RCX: 0x0000000000000000, RDX: 0x0000000000000003\n" "RSP: 0xffffff80a5d58000, RBP: 0xffffff80a5d58000, RSI: 0xffffff80c5d58000, RDI: 0xffffff800f5d44d8\n" "R8: 0x0000000000000000, R9: 0x0000000000000000, R10: 0x0000000000000003, R11: 0x00000000e0000000\n" "R12: 0xffffff80c5d583d8, R13: 0xffffff8018b84db0, R14: 0x000000000000000e, R15: 0xffffff800f5d44d8\n" "RFL: 0x0000000000010046, RIP: 0xffffff800bd51014, CS: 0x0000000000000008, SS: 0x0000000000000010\n" "Error code: 0x0000000000000000\n"@/Library/Caches/com.apple.xbs/Sources/xnu/xnu-3248.30.4/o sfmk/i386/trap_native.c:168

Backtrace (CPU 0), Frame : Return Address

0xffffff807f208cf0 : 0xffffff800bcdf792

0xffffff807f208d70 : 0xffffff800bdd301a

0xffffff807f208ed0 : 0xffffff800bdf0aef

0xffffff80a5d58000 : 0xffffff800bdd20bd

0xffffff80a5d581e0 : 0xffffff800bdf0233

0xffffff80a5d58200 : 0xffffff800bdd2419

0xffffff80a5d584c0 : 0xffffff800bdf0233

0xffffff80a5d584e0 : 0xffffff800bdd2419

0xffffff80a5d587a0 : 0xffffff800bdf0233

0xffffff80a5d587c0 : 0xffffff800bdd2419

0xffffff80a5d58a80 : 0xffffff800bdf0233

0xffffff80a5d58aa0 : 0xffffff800bdd2419

0xffffff80a5d58d60 : 0xffffff800bdf0233

0xffffff80a5d58d80 : 0xffffff800bdd2419

0xffffff80a5d59040 : 0xffffff800bdf0233

0xffffff80a5d59060 : 0xffffff800bdd2419

0xffffff80a5d59320 : 0xffffff800bdf0233

0xffffff80a5d59340 : 0xffffff800bdd2419

0xffffff80a5d59600 : 0xffffff800bdf0233

0xffffff80a5d59620 : 0xffffff800bdd2419

0xffffff80a5d598e0 : 0xffffff800bdf0233

0xffffff80a5d59900 : 0x

Unable to gather system configuration information.Model: MacBookPro9,2, BootROM MBP91.00D3.B0C, 2 processors, Intel Core i5, 2.5 GHz, 4 GB, SMC 2.2f44

Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In

Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54333235533643465238432D50422020

Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54333235533643465238432D50422020

AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xF5), Broadcom BCM43xx 1.0 (7.21.94.136.1a1)

Bluetooth: Version 4.4.3f4 16616, 3 services, 19 devices, 1 incoming serial ports

Network Service: Wi-Fi, AirPort, en1

Serial ATA Device: APPLE HDD TOSHIBA MK5065GSXF, 500.11 GB

Serial ATA Device: MATSHITADVD-R UJ-8A8

USB Device: USB 2.0 Bus

USB Device: Hub

USB Device: Hub

USB Device: Apple Internal Keyboard / Trackpad

USB Device: IR Receiver

USB Device: BRCM20702 Hub

USB Device: Bluetooth USB Host Controller

USB Device: USB 2.0 Bus

USB Device: Hub

USB Device: FaceTime HD Camera (Built-in)

USB Device: USB 3.0 Bus

Thunderbolt Bus: MacBook Pro, Apple Inc., 25.1