System almost crashed,
</br>
</br>lots of messages output,
</br>
</br>unplug and plug USB flash disks, USB cannot work:
</br>
</br>[11812.865032] Write-error on swap-device (254:0:892408)
</br>[11812.865099] compcache: Error allocating memory for compressed page: 111552, size=1867
</br> [11812.865104] Write-error on swap-device (254:0:892416)
</br>[11812.865165] compcache: Error allocating memory for compressed page: 111553, size=1481
</br>[11812.865169] Write-error on swap-device (254:0:892424)
</br>[11812.865247] compcache: Error allocating memory for compressed page: 109050, size=2197
</br> [11812.865251] Write-error on swap-device (254:0:872400)
</br>[11862.152794] __ratelimit: 23645 callbacks suppressed
</br>
</br>
</br>[ 5736.237948] Write-error on swap-device (254:0:721112)
</br>[ 5757.736695] usb 1-8: USB disconnect, address 4
</br> [ 5760.176356] usb 1-7: new high speed USB device using ehci_hcd and address 5
</br>[ 5760.315092] usb 1-7: configuration #1 chosen from 1 choice
</br>[ 5760.375058] __ratelimit: 23479 callbacks suppressed
</br>[ 5760.375070] allocation failed: out of vmalloc space - use vmalloc= to increase size.
</br>
</br>...
</br>[ 3628.464618] Write-error on swap-device (254:0:384008)
</br>[ 3628.464714] compcache: Error allocating memory for compressed page: 48002, size=2407
</br>[ 3628.464718] Write-error on swap-device (254:0:384016)
</br> [ 3896.572024] usb 5-8: new high speed USB device using ehci_hcd and address 4
</br>[ 3896.713287] usb 5-8: configuration #1 chosen from 1 choice
</br>[ 3897.072735] __ratelimit: 9820 callbacks suppressed
</br>[ 3897.072745] allocation failed: out of vmalloc space - use vmalloc= to increase size.
</br>
</br>
</br>lots of messages:
</br>-rw-r----- 1 syslog adm 123415460 2009-02-25 09:08 /var/log/kern.log.0
</br>
</br>
</br>$ cat /proc/swaps
</br>Filename Type Size Used Priority
</br>/dev/ramzswap0 partition 515456 356876 100
</br>
</br>
</br>workaround:
</br>$ sudo swapoff /dev/ramzwap0
</br>
</br>I put this line into /etc/init.d/rc.local
</br>
</br>
</br>more compcache thread:
</br>http://code.google.com/p/compcache/issues/detail?id=12
</br>