On Sun, 27 Jan 2013, Ben Hutchings wrote:
tracking the bug. The bad thing is, that I don't have direct access to the console of the system, a 48-core machine with 512 GB main memory.How about netconsole or an IPMI serial console?
The IPMI console is unreliable (connections are closed after a while; if the computer is stalled, it is just black). I just did not know the netconsole and started this now and will provide more information, if (when) the next Bug appears.
After rebooting, the following error is found in kern.log: Jan 26 15:19:19 prost kernel: [798028.655254] ------------[ cut here ]------------ Jan 26 15:19:19 prost kernel: [798028.659193] kernel BUG at /build/buildd-linux_3.2.35-2-amd64-v9djlH/linux-3.2.35/fs/locks.c:2104! Jan 26 15:19:19 prost kernel: [798028.659193] invalid opcode: 0000 [#1] SMP Jan 26 15:19:19 prost kernel: [798028.659193] CPU 0[...] That's all it says? Nothing more before the next boot messages?
nothing. Thank you, Erik