Re: [2.6.31-rc1] device-mapper: target device sda6 is misaligned

[Frans Pop <elendil@planet.nl>]

On Thursday 25 June 2009, Martin K. Petersen wrote:
> >>>>> "Frans" == Frans Pop <elendil@planet.nl> writes:
>
> Frans> During boot of 2.6.31-rc1 on an arm EABI system I got the
> Frans> following errors: device-mapper: ioctl: 4.15.0-ioctl (2009-04-01)
> Frans> initialised: dm-devel@redhat.com device-mapper: table: 254:0:
> Frans> target device sda6 is misaligned device-mapper: table: 254:0:
> Frans> target device sda6 is misaligned device-mapper: table: 254:1:
> Frans> target device sda6 is misaligned device-mapper: table: 254:1:
> Frans> target device sda6 is misaligned 
>
> Frans> Please advise and let me know what additional info is needed.
>
> What kind of disk is this?

It's a standard SATA disk; the driver is sata_mv:

ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1.00: ATA-7: HDT722516DLA380, V43OA91A, max UDMA/133
ata1.00: 321672960 sectors, multi 0: LBA48 NCQ (depth 31/32)
ata1.00: configured for UDMA/133
scsi 0:0:0:0: Direct-Access     ATA      HDT722516DLA380  V43O PQ: 0 ANSI: 5
sd 0:0:0:0: [sda] 321672960 512-byte logical blocks: (164 GB/153 GiB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
 sda: sda1 sda2 sda3 sda4 < sda5 sda6 >

I've just also tested rc1 in the Hercules s390 emulator, and I get exactly
the same there on a virtual dasd disk:

dasd-eckd 0.0.0121: New DASD 3390/02 (CU 3990/02) with 1113 cylinders, 15 heads, 224 sectors
dasd-eckd 0.0.0121: DASD with 4 KB/block, 801360 KB total size, 48 KB/track, compatible disk layout
 dasdb:VOL1/  0X0121: dasdb1 dasdb2
[...]
device-mapper: table: 254:0: target device dasdb1 is misaligned
device-mapper: table: 254:0: target device dasdb2 is misaligned
device-mapper: table: 254:0: target device dasdb1 is misaligned
device-mapper: table: 254:0: target device dasdb2 is misaligned