I have tested with the following kernel:
Linux ibmkai 3.7.0-030700rc4-generic #201211041435 SMP Sun Nov 4 19:35:50 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
The result is, that the error message in the log file disappeared. The 3.7 kernel has other problems, so that I won't keep it for more extensive testing. For example, with the 3.7 kernel, the system will go into hibernation at most once after each reboot.
Thank you very much for your response!
I have tested with the following kernel: -generic #201211041435 SMP Sun Nov 4 19:35:50 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
Linux ibmkai 3.7.0-030700rc4
The result is, that the error message in the log file disappeared. The 3.7 kernel has other problems, so that I won't keep it for more extensive testing. For example, with the 3.7 kernel, the system will go into hibernation at most once after each reboot.