Comment 8 for bug 599664

I'm experiencing the same problem on 12.04:
Linux cin-hfb 3.2.0-25-generic-pae #40-Ubuntu SMP Wed May 23 22:11:24 UTC 2012 i686 i686 i386 GNU/Linux

Here is the output of sudo dmraid -n:

could not open /var/lib/sudo/hans/2: ready only filesystem:
/dev/sdb (nvidia):
0x000 NVIDIA

0x008 size: 30
0x00c chksum: 2059287183
0x010 version: 100
0x012 unitNumber: 0
0x013 reserved: 0
0x014 capacity: 312581760
0x018 sectorSize: 512
0x01c productID: MIRROR 149.04G
0x02c productRevision: 100
0x030 unitFlags: 0
0x034 array->version: 6553668
0x038 array->signature[0]: 573718610
0x03c array->signature[1]: 287103240
0x040 array->signature[2]: 2095883518
0x044 array->signature[3]: 340025285
0x048 array->raidJobCode: 0
0x049 array->stripeWidth: 1
0x04a array->totalVolumes: 2
0x04b array->originalWidth: 1
0x04c array->raidLevel: 129
0x050 array->stripeBlockSize: 128
0x054 array->stripeBlockByteSize: 65536
0x058 array->stripeBlockPower: 7
0x05c array->stripeMask: 127
0x060 array->stripeSize: 128
0x064 array->stripeByteSize: 65536
0x068 array->raidJobMark 312581760
0x06c array->originalLevel 129
0x070 array->originalCapacity 312581760
0x074 array->flags 0x5

/dev/sda (nvidia):
0x000 NVIDIA

0x008 size: 30
0x00c chksum: 2059221647
0x010 version: 100
0x012 unitNumber: 1
0x013 reserved: 0
0x014 capacity: 312581760
0x018 sectorSize: 512
0x01c productID: MIRROR 149.04G
0x02c productRevision: 100
0x030 unitFlags: 0
0x034 array->version: 6553668
0x038 array->signature[0]: 573718610
0x03c array->signature[1]: 287103240
0x040 array->signature[2]: 2095883518
0x044 array->signature[3]: 340025285
0x048 array->raidJobCode: 0
0x049 array->stripeWidth: 1
0x04a array->totalVolumes: 2
0x04b array->originalWidth: 1
0x04c array->raidLevel: 129
0x050 array->stripeBlockSize: 128
0x054 array->stripeBlockByteSize: 65536
0x058 array->stripeBlockPower: 7
0x05c array->stripeMask: 127
0x060 array->stripeSize: 128
0x064 array->stripeByteSize: 65536
0x068 array->raidJobMark 312581760
0x06c array->originalLevel 129
0x070 array->originalCapacity 312581760
0x074 array->flags 0x5