This same problem causes my server to crash on the first Sunday of every month. The logs are attached.
Jan 4 01:06:01 grizzly kernel: [2176742.092908] md: data-check of RAID array md0 Jan 4 01:06:01 grizzly kernel: [2176742.092919] md: minimum _guaranteed_ speed: 1000 KB/sec/disk. Jan 4 01:06:01 grizzly kernel: [2176742.092922] md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for data-check. Jan 4 01:06:01 grizzly kernel: [2176742.092930] md: using 128k window, over a total of 16779776 blocks. Jan 4 01:06:01 grizzly kernel: [2176742.106731] md: delaying data-check of md1 until md0 has finished (they share one or more physical units) Jan 4 01:06:01 grizzly kernel: [2176742.114936] md: delaying data-check of md2 until md1 has finished (they share one or more physical units) Jan 4 01:06:01 grizzly kernel: [2176742.118081] md: delaying data-check of md3 until md2 has finished (they share one or more physical units) Jan 4 01:06:01 grizzly kernel: [2176742.118331] md: delaying data-check of md1 until md3 has finished (they share one or more physical units) Jan 4 01:06:01 grizzly kernel: [2176742.118469] md: delaying data-check of md2 until md0 has finished (they share one or more physical units) Jan 4 01:06:01 grizzly kernel: [2176742.118600] md: delaying data-check of md3 until md2 has finished (they share one or more physical units) ** Attachment added: "version.log" http://launchpadlibrarian.net/20909579/version.log -- RAID1 data-checks cause CPU soft lockups https://bugs.launchpad.net/bugs/212684 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs