Yesterday's -next (20100427) fails to boot on a s390.
Here is the boot log.

Linux version 2.6.34-rc5-autotest-next-20100427-5-default (root@lnxabat6) (gcc v
ersion 4.3.2 Ýgcc-4_3-branch revision 141291¨ (SUSE Linux) ) #1 SMP Wed Apr 28 0
0:50:08 EDT 2010
setup: Linux is running as a z/VM guest operating system in 64-bit mode
setup: Moving initrd (0x00859ee4 -> 0x0087b000, size: 6962757)
Zone PFN ranges:
  DMA      0x00000000 -> 0x00080000
  Normal   0x00080000 -> 0x00100000
Movable zone start PFN for each node
early_node_mapÝ1¨ active PFN ranges
    0: 0x00000000 -> 0x00100000
PERCPU: Embedded 12 pages/cpu @0000000084080000 s18432 r8192 d22528 u65536
pcpu-alloc: s18432 r8192 d22528 u65536 alloc=16*4096
pcpu-alloc: Ý0¨ 00 Ý0¨ 01 Ý0¨ 02 Ý0¨ 03 Ý0¨ 04 Ý0¨ 05 Ý0¨ 06 Ý0¨ 07
pcpu-alloc: Ý0¨ 08 Ý0¨ 09 Ý0¨ 10 Ý0¨ 11 Ý0¨ 12 Ý0¨ 13 Ý0¨ 14 Ý0¨ 15
pcpu-alloc: Ý0¨ 16 Ý0¨ 17 Ý0¨ 18 Ý0¨ 19 Ý0¨ 20 Ý0¨ 21 Ý0¨ 22 Ý0¨ 23
pcpu-alloc: Ý0¨ 24 Ý0¨ 25 Ý0¨ 26 Ý0¨ 27 Ý0¨ 28 Ý0¨ 29 Ý0¨ 30 Ý0¨ 31
pcpu-alloc: Ý0¨ 32 Ý0¨ 33 Ý0¨ 34 Ý0¨ 35 Ý0¨ 36 Ý0¨ 37 Ý0¨ 38 Ý0¨ 39
pcpu-alloc: Ý0¨ 40 Ý0¨ 41 Ý0¨ 42 Ý0¨ 43 Ý0¨ 44 Ý0¨ 45 Ý0¨ 46 Ý0¨ 47
pcpu-alloc: Ý0¨ 48 Ý0¨ 49 Ý0¨ 50 Ý0¨ 51 Ý0¨ 52 Ý0¨ 53 Ý0¨ 54 Ý0¨ 55
pcpu-alloc: Ý0¨ 56 Ý0¨ 57 Ý0¨ 58 Ý0¨ 59 Ý0¨ 60 Ý0¨ 61 Ý0¨ 62 Ý0¨ 63
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 1034240
Kernel command line: IDENT=1272430748 BOOT_IMAGE=0
PID hash table entries: 4096 (order: 3, 32768 bytes)
Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes)
Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes)
Memory: 4104668k/4194304k available (4536k kernel code, 0k reserved, 2940k data,
 244k init)
Write protected kernel read-only data: 0x111000 - 0x6fffff
Hierarchical RCU implementation.
RCU-based detection of stalled CPUs is enabled.
console ÝttyS0¨ enabled
allocated 41943040 bytes of page_cgroup
please try 'cgroup_disable=memory' option if you don't want memory cgroups
Security Framework initialized
SELinux:  Disabled at boot.
Mount-cache hash table entries: 256
Initializing cgroup subsys ns
01: HCPGSP2627I The virtual machine is placed in CP mode due to a SIGP initial C
PU reset from CPU 00.
02: HCPGSP2627I The virtual machine is placed in CP mode due to a SIGP initial C
PU reset from CPU 00.
03: HCPGSP2627I The virtual machine is placed in CP mode due to a SIGP initial C
PU reset from CPU 00.

At this point the boot process just hangs. 
Previous -next build (20100415) worked fine.
Have attached the .config

Thanks
-Sachin

-- 

---------------------------------
Sachin Sant
IBM Linux Technology Center
India Systems and Technology Labs
Bangalore, India
---------------------------------