I found this Crash Log on my Air reporting a CPU overload when using Safari. Here is the first part of the log plus the thread that caused the crash. Has anyone seen this log on their Air?
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>AutoSubmitted</key>
<true/>
<key>SysInfoCrashReporterKey</key>
<string>e9827d5984f51d860f25fed4f5c6bdeee84b1987</string>
<key>bug_type</key>
<string>185</string>
<key>bundleID</key>
<string>com.apple.mobilesafari</string>
<key>description</key>
<string>Incident Identifier: 495C4FB0-CC57-4B2D-99C8-7818AD318CC2
CrashReporter Key: e9827d5984f51d860f25fed4f5c6bdeee84b1987
Hardware Model: iPad4,2
Process: MobileSafari [784]
Path: /var/mobile/Applications/8681421D-8025-4B05-BCD5-B5AAFA3BD2AA/MobileSafari.app/ MobileSafari
Identifier: com.apple.mobilesafari
Version: 9537.53 (7.0)
Code Type: ARM-64 (Native)
Parent Process: launchd [1]
Date/Time: 2013-12-11 18:46:50.068 +1100
OS Version: iOS 7.0.4 (11B554a)
Report Version: 104
Exception Type: EXC_RESOURCE
Exception Subtype: CPU
Exception Message: (Limit 50%) Observed 84% over 180 secs
Triggered by Thread: 2
Thread 0:
0 libsystem_kernel.dylib 0x0000000199305cc0 0x199304000 + 7360
1 CoreFoundation 0x000000018c7a2ca8 0x18c6d8000 + 830632
2 CoreFoundation 0x000000018c7a0e9c 0x18c6d8000 + 822940
3 CoreFoundation 0x000000018c6e1b34 0x18c6d8000 + 39732
4 GraphicsServices 0x00000001920c382c 0x1920b8000 + 47148
5 UIKit 0x000000018f7200e4 0x18f6a4000 + 508132
6 MobileSafari 0x00000001000652ec 0x10005c000 + 37612
7 libdyld.dylib 0x0000000199223a9c 0x199220000 + 15004
Thread 1:
0 libsystem_kernel.dylib 0x0000000199305ac8 0x199304000 + 6856
1 libdispatch.dylib 0x0000000199209d74 0x199204000 + 23924
Thread 2 name: WebThread
Thread 2 Crashed:
0 JavaScriptCore 0x000000018d9a4c0c 0x18d9a0000 + 19468
1 WebCore 0x0000000196010c78 0x195d5c000 + 2837624
2 WebCore 0x0000000196010988 0x195d5c000 + 2836872
3 WebCore 0x0000000196097328 0x195d5c000 + 3388200
4 WebCore 0x000000019609745c 0x195d5c000 + 3388508
5 WebCore 0x00000001960105ac 0x195d5c000 + 2835884
6 WebCore 0x000000019601020c 0x195d5c000 + 2834956
7 WebCore 0x000000019601020c 0x195d5c000 + 2834956
8 WebCore 0x000000019601020c 0x195d5c000 + 2834956
9 WebCore 0x000000019601020c 0x195d5c000 + 2834956
10 WebCore 0x0000000195e7c748 0x195d5c000 + 1181512
11 WebCore 0x0000000195e77304 0x195d5c000 + 1159940
12 WebCore 0x0000000195f3f6d0 0x195d5c000 + 1980112
13 WebCore 0x0000000195f3f618 0x195d5c000 + 1979928
14 WebCore 0x0000000195f44a94 0x195d5c000 + 2001556
15 WebCore 0x0000000195f44a68 0x195d5c000 + 2001512
16 ??? 0x000000016790ed90 0 + 6032518544
17 WebCore 0x0000000195da1580 0x195d5c000 + 284032
18 WebCore 0x0000000195da0f40 0x195d5c000 + 282432
19 WebCore 0x0000000195da0288 0x195d5c000 + 279176
20 WebCore 0x0000000195d9fd90 0x195d5c000 + 277904
21 WebCore 0x0000000195d9fcd0 0x195d5c000 + 277712
22 CoreFoundation 0x000000018c7a3688 0x18c6d8000 + 833160
23 CoreFoundation 0x000000018c7a32f8 0x18c6d8000 + 832248
24 CoreFoundation 0x000000018c7a1020 0x18c6d8000 + 823328
25 CoreFoundation 0x000000018c6e1b34 0x18c6d8000 + 39732
26 WebCore 0x0000000195e5cb98 0x195d5c000 + 1051544
27 libsystem_pthread.dylib 0x00000001993a01ac 0x19939c000 + 16812
28 libsystem_pthread.dylib 0x00000001993a0104 0x19939c000 + 16644
29 libsystem_pthread.dylib 0x000000019939d7ac 0x19939c000 + 6060