I have a Macbook Pro 10,1 (Mid 2012) running 10.10.2. Over the last few months, I have had issues with the system suddenly hanging - mouse won't move, keyboard does nothing, and the clock is stopped. I have to hold down the power button and restart the computer when this happens.
I have been experiencing these freezes ranging from daily to weekly. There is no consistent action that reproduces the freeze on demand. At some point in the last few months, though, I did switch to Safari from Chrome as my primary browser because the battery life seems so much better when using Safari. I've been doing a project over the last week that is dependent on Chrome, and as such haven't been using Safari, and have had no freezes. In retrospect, I think the freezes began happening when I started using Safari regularly.
I'd prefer to not have to choose between using Safari and having a stable system. Is anyone aware of issues like the one I'm experiencing? Any suggestions for further troubleshooting?
Edit 5/28/15:
I saved Console logs surrounding one of these freezes. When the computer froze, Safari was the frontmost app, and I was scrolling a page with 2-finger scroll on the trackpad. I then manually held down power to reboot.
5/28/15 7:17:00.130 PM sharingd[367]: 19:17:00.130 : SDActivityAdvertiser::continuity:didFailToStartAdvertisingOfType:withError: Activity (The operation couldn’t be completed. (com.apple.identityservices.error error 200.))
5/28/15 7:17:05.290 PM com.apple.xpc.launchd[1]: (com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
5/28/15 7:17:05.451 PM com.apple.xpc.launchd[1]: (com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
5/28/15 7:17:06.541 PM locationd[81]: NETWORK: requery, 0, 0, 0, 0, 53, items, fQueryRetries, 0, fLastRetryTimestamp, 454546272.5
5/28/15 7:17:07.358 PM sharingd[367]: 19:17:07.357 : SDActivityAdvertiser::continuity:didFailToStartAdvertisingOfType:withError: Activity (The operation couldn’t be completed. (com.apple.identityservices.error error 200.))
5/28/15 7:17:08.304 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:08.304 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:08.836 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:12.141 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:12.141 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:12.142 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:16.352 PM sharingd[367]: 19:17:16.352 : SDActivityAdvertiser::continuity:didFailToStartAdvertisingOfType:withError: Activity (The operation couldn’t be completed. (com.apple.identityservices.error error 200.))
5/28/15 7:17:17.028 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
[the above line was repeated 57 times]
5/28/15 7:17:20.133 PM CalendarAgent[347]: [com.apple.calendar.store.log.caldav.coredav] [Refusing to parse response to PROPPATCH because of content-type: [text/html; charset=UTF-8].]
5/28/15 7:17:20.202 PM CalendarAgent[347]: [com.apple.calendar.store.log.caldav.coredav] [Refusing to parse response to PROPPATCH because of content-type: [text/html; charset=UTF-8].]
5/28/15 7:17:22.329 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:24.826 PM Mail[4385]: GSSAPI Error: Miscellaneous failure (see text (No credentials cache file found (negative cache))
5/28/15 7:17:24.826 PM Mail[4385]: Failed to start the SASL connection
SASL(-1): generic failure: GSSAPI Error: Miscellaneous failure (see text (No credentials cache file found (negative cache))
5/28/15 7:17:24.975 PM sharingd[367]: 19:17:24.975 : SDActivityAdvertiser::continuity:didFailToStartAdvertisingOfType:withError: Activity (The operation couldn’t be completed. (com.apple.identityservices.error error 200.))
5/28/15 7:17:30.784 PM com.apple.xpc.launchd[1]: (com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
5/28/15 7:17:30.904 PM sharingd[367]: 19:17:30.903 : SDActivityAdvertiser::continuity:didFailToStartAdvertisingOfType:withError: Activity (The operation couldn’t be completed. (com.apple.identityservices.error error 200.))
5/28/15 7:17:31.880 PM Mail[4385]: GSSAPI Error: Miscellaneous failure (see text (No credentials cache file found (negative cache))
5/28/15 7:17:31.880 PM Mail[4385]: Failed to start the SASL connection
SASL(-1): generic failure: GSSAPI Error: Miscellaneous failure (see text (No credentials cache file found (negative cache))
5/28/15 7:17:32.128 PM sharingd[367]: 19:17:32.127 : SDActivityAdvertiser::continuity:didFailToStartAdvertisingOfType:withError: Activity (The operation couldn’t be completed. (com.apple.identityservices.error error 200.))
5/28/15 7:17:41.547 PM Mail[4385]: GSSAPI Error: Miscellaneous failure (see text (No credentials cache file found (negative cache))
5/28/15 7:17:41.547 PM Mail[4385]: Failed to start the SASL connection
SASL(-1): generic failure: GSSAPI Error: Miscellaneous failure (see text (No credentials cache file found (negative cache))
5/28/15 7:17:41.619 PM sharingd[367]: 19:17:41.619 : SDActivityAdvertiser::continuity:didFailToStartAdvertisingOfType:withError: Activity (The operation couldn’t be completed. (com.apple.identityservices.error error 200.))
5/28/15 7:17:43.930 PM com.apple.xpc.launchd[1]: (com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
5/28/15 7:17:44.871 PM sharingd[367]: 19:17:44.870 : SDActivityAdvertiser::continuity:didFailToStartAdvertisingOfType:withError: Activity (The operation couldn’t be completed. (com.apple.identityservices.error error 200.))
5/28/15 7:17:45.276 PM Mail[4385]: GSSAPI Error: Miscellaneous failure (see text (No credentials cache file found (negative cache))
5/28/15 7:17:45.276 PM Mail[4385]: Failed to start the SASL connection
SASL(-1): generic failure: GSSAPI Error: Miscellaneous failure (see text (No credentials cache file found (negative cache))
5/28/15 7:17:45.887 PM Mail[4385]: GSSAPI Error: Miscellaneous failure (see text (No credentials cache file found (negative cache))
5/28/15 7:17:45.887 PM Mail[4385]: Failed to start the SASL connection
SASL(-1): generic failure: GSSAPI Error: Miscellaneous failure (see text (No credentials cache file found (negative cache))
5/28/15 7:17:47.141 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
[the above line was repeated 31 times]
5/28/15 7:17:49.080 PM com.apple.xpc.launchd[1]: (com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
5/28/15 7:17:50.308 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:50.309 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:50.309 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:50.310 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:50.310 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:50.311 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:50.312 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:50.312 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:50.312 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:50.313 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:50.344 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:50.345 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:50.345 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:52.927 PM com.apple.xpc.launchd[1]: (com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
5/28/15 7:17:53.320 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:53.321 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:53.321 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:53.322 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:53.322 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:53.322 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:53.323 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:53.323 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:53.323 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:53.324 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:53.325 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:53.375 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:54.251 PM sharingd[367]: 19:17:54.250 : SDActivityAdvertiser::continuity:didFailToStartAdvertisingOfType:withError: Activity (The operation couldn’t be completed. (com.apple.identityservices.error error 200.))
5/28/15 7:17:56.707 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.707 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.708 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.708 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.708 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.709 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.709 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.709 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.710 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.711 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.711 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.711 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.712 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.712 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.712 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.712 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.713 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.713 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:17:56.714 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:18:03.626 PM sharingd[367]: 19:18:03.626 : SDActivityAdvertiser::continuity:didFailToStartAdvertisingOfType:withError: Activity (The operation couldn’t be completed. (com.apple.identityservices.error error 200.))
5/28/15 7:18:12.101 PM sharingd[367]: 19:18:12.100 : SDActivityAdvertiser::continuity:didFailToStartAdvertisingOfType:withError: Activity (The operation couldn’t be completed. (com.apple.identityservices.error error 200.))
5/28/15 7:18:14.316 PM nsurlstoraged[344]: Error: stepSQLStatement:toCompletionWithRetry - stepping returned unhandled result=11, DB=/Users/USERNAME/Library/Caches/com.apple.Safari/Cache.db
5/28/15 7:18:21.589 PM sharingd[367]: 19:18:21.589 : SDActivityAdvertiser::continuity:didFailToStartAdvertisingOfType:withError: Activity (The operation couldn’t be completed. (com.apple.identityservices.error error 200.))
5/28/15 7:18:26.833 PM CalendarAgent[347]: [com.apple.calendar.store.log.caldav.coredav] [Refusing to parse response to PROPPATCH because of content-type: [text/html; charset=UTF-8].]
5/28/15 7:18:26.899 PM CalendarAgent[347]: [com.apple.calendar.store.log.caldav.coredav] [Refusing to parse response to PROPPATCH because of content-type: [text/html; charset=UTF-8].]
5/28/15 7:18:28.138 PM sharingd[367]: 19:18:28.137 : SDActivityAdvertiser::continuity:didFailToStartAdvertisingOfType:withError: Activity (The operation couldn’t be completed. (com.apple.identityservices.error error 200.))
5/28/15 7:19:47.000 PM bootlog[0]: BOOT_TIME 1432855187 0