|Nov 8, 2012, 10:42 PM||#1|
Dock disappeared - old problem but new situation
Hi all, I searched thé forum for earlier dock-disappeared posts and found no similar situations, so I start this new thread to seek help. In short, everything worked well this morning and thé machine shutdown normally. But thé dock disappeared this afternoon when I powered it on.
In the Console tool - all messages window, I found thé following:
12-11-08 22:50:30,000 kernel: disk0s2: I/O error.
12-11-08 22:50:31,396 com.apple.launchd.peruser.501: (com.apple.Dock.agent) Job appears to have crashed: Bus error: 10
12-11-08 22:50:31,846 ReportCrash: Saved crash report for Dock version 1.8 (1040.42) to /Users/macbook/Library/Logs/DiagnosticReports/Dock_2012-11-08-225031_maciosdev.crash
12-11-08 22:50:31,875 ReportCrash: Removing excessive log: file://localhost/Users/macbook/Library/Logs/DiagnosticReports/Dock_2012-11-08-224535_maciosdev.crash
Then after every (about) 13 seconds, the same set of 4 error messages repeat. I take a look at thé disk0s2 partition, and it is clear to be thé mac os x system partition which starts up as usual. I can still use thé TextEdit, Firefox, etc. to report this problem. However the interaction does slow down quite a lot, which seems to be understandable if the system accesses the said problematic partition every 13 seconds (but for what?). I don't see any suspicious process with "ps -ef" btw.
maciosdev:Logs macbook$ df -k
Filesystem 1024-blocks Used Available Capacity Mounted on
/dev/disk0s2 243498500 85266476 157976024 36% /
devfs 112 112 0 100% /dev
map -hosts 0 0 0 100% /net
map auto_home 0 0 0 100% /home
/dev/disk0s4 243909628 219671824 24237804 91% /Volumes/Untitled
maciosdev:Logs macbook$ pwd
But I still launch thé Disk tool to verify this partition, again thé tools says it's in good state. My system was 10.7.2. After encountering this strange problem, I updated it to 10.7.5 but the upgrading did not solve thé problem.
I tried also "chkdsk" but -bash says this command is not found.
Any hints? Thanks a lot. It's driving me crazy!
|Nov 8, 2012, 11:01 PM||#2|
I should add that the screen flashes every (about) 13 seconds too! What's the os doing?
Oh yes, it suddenly does not recognize USB key now. This came with the dock-disappearance problem roughly at the same time (but not 100% sure).
Everything else (startup, reboot, shutdown, launching applications) seems just fine...
|Nov 16, 2012, 12:56 AM||#3|
Amazingly, the dock came back by itself... Frustrating is that I didn't know why it disappeared and I don't know why it is back to normal either... I don't find sufficient log information in the Console tool. What's only obvious is the disappearance of the set of 4 error messages which occurred every 13 seconds.
It's probably related to utorrent. I vaguely recall that on the day the dock disappeared I changed some utorrent settings. Today, I upgraded utorrent from 1.6.x to the latest 1.7.x and also adjusted some settings. But in both cases, the effect is not immediate. I mean, the dock did not disappear/reappear immediately after a reboot after the change of the utorrent settings.
Any possible explanations?
|Nov 16, 2012, 12:27 PM||#4|
Not sure if you're saying it reappeared after a reboot, but that's what I would have tried first. That it didn't disappear immediately after a reboot is not surprising. The reboot wouldn't cause a problem. The problem appeared on its own schedule, so to speak.
|Nov 17, 2012, 03:25 PM||#5|
on the day of the problem: i changed settings of utorrent; reboot, and the problem did not happen immediately; after quite some time, the dock disappeared and error messages began to merge in the Console log.
on the day of back to normal: i upgraded utorrent and changed some settings again; reboot, the dock did not reappear immediately; after quite some time, the dock came back and error messages stop to append in the Console log.
|Nov 18, 2012, 07:10 AM||#6|
So the reboot is not the trigger in either case. That's odd. I don't know anything about utorrent, but I also don't know what else you're opening. You could trash the Dock's plist file and see if that keeps it behaving normally. (Sorry if you mentioned trying that above.)
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