sf v215: kernel hangs before "Trying to mount root"

[KOT MATPOCKuH]

On my SunFire V215 system fresh kernel hangs before "Trying to mount root":
[skipped]
pass1 at mpt1 bus 0 scbus1 target 1 lun 0
pass1: <FUJITSU MAY2073RCSUN72G 0501> Fixed Direct Access SCSI-4 device
pass1: Serial Number 000733S0D73S
pass1: 300.000MB/s transfers
pass1: Command Queueing enabled
GEOM: new disk da0
GEOM: new disk da1
da0 at mpt1 bus 0 scbus1 target 0 lun 0
da0: <FUJITSU MAY2073RCSUN72G 0501> Fixed Direct Access SCSI-4 device
da0: Serial Number 000733S0D6PK
da0: 300.000MB/s transfers
da0: Command Queueing enabled
da0: 70007MB (143374738 512 byte sectors: 255H 63S/T 8924C)
da1 at mpt1 bus 0 scbus1 target 1 lun 0
da1: <FUJITSU MAY2073RCSUN72G 0501> Fixed Direct Access SCSI-4 device
da1: Serial Number 000733S0D73S
da1: 300.000MB/s transfers
da1: Command Queueing enabled
da1: 70007MB (143374738 512 byte sectors: 255H 63S/T 8924C)
SMP: AP CPU #1 Launched!

Full boot -sv log attached.

Old kernel (12 Apr 2010) works without problems:
[skipped]
ugen2.1: <AcerLabs> at usbus2
uhub2: <AcerLabs EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus2
uhub0: 3 ports with 3 removable, self powered
uhub1: 3 ports with 3 removable, self powered
uhub2: 8 ports with 8 removable, self powered
SMP: AP CPU #1 Launched!
da0 at mpt1 bus 0 scbus1 target 0 lun 0
da0: <FUJITSU MAY2073RCSUN72G 0501> Fixed Direct Access SCSI-4 device
da0: 300.000MB/s transfers
da0: Command Queueing enabled
da0: 70007MB (143374738 512 byte sectors: 255H 63S/T 8924C)
da1 at mpt1 bus 0 scbus1 target 1 lun 0
da1: <FUJITSU MAY2073RCSUN72G 0501> Fixed Direct Access SCSI-4 device
da1: 300.000MB/s transfers
da1: Command Queueing enabled
da1: 70007MB (143374738 512 byte sectors: 255H 63S/T 8924C)
GEOM_MIRROR: Device mirror/boot launched (2/2).
GEOM: mirror/boot: invalid VTOC8 label.
Trying to mount root from zfs:sunrise/root
[normal boot output]

-- 
MATPOCKuH
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