I recently updated to 12.04.1. I've noticed now for three weeks in a row, when I come back on Monday (having simply left my system, neither logging out nor locking the desktop), that the system is now unusable: one time the desktop would not "relight", and twice now where I would see some windows, but their borders (with the menu, minimize, maximize, and close buttons) were gone along with the main KDE taskbar. In all three cases I've had to powercycle my computer. Note that this does not happen on weekdays (where I'm leaving the system overnight) -- it's only weekends that this happens.
The X log gets overwritten at boot time, but the older syslogs do show errors of the file-max limit being reached. One entry in syslog looks like this:
kernel: [222812.725881] VFS: file-max limit 305812 reached
This kind of error repeats itself, and further entries in syslog show similar errors ("Too many open files", etc). I would guess that it's at this point that KDE and/or X is now hosed and I have to reboot.
I suppose I could try to figure out how to increase the maximum number of files, but you'd think 305,000 would be "enough"....
This was never a problem in 10.04.4; I could (and did) leave the system for weeks (vacation) and when I returned, could resume exactly where I had left it.
The X log gets overwritten at boot time, but the older syslogs do show errors of the file-max limit being reached. One entry in syslog looks like this:
kernel: [222812.725881] VFS: file-max limit 305812 reached
This kind of error repeats itself, and further entries in syslog show similar errors ("Too many open files", etc). I would guess that it's at this point that KDE and/or X is now hosed and I have to reboot.
I suppose I could try to figure out how to increase the maximum number of files, but you'd think 305,000 would be "enough"....
This was never a problem in 10.04.4; I could (and did) leave the system for weeks (vacation) and when I returned, could resume exactly where I had left it.
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