Any ideas?? -- Re: EC2 compatible kernel for centos 6?

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I tried several ways but still no help. The following are the output (stock Centos 6 2.6.32-71.29.1.el6.x86_64 kernel), grub works fine and it located kernel and initial ramdisk. but kernel booting faied at the very beginning...

Any suggestions are more than appreciated.


--------------------------------------------------

2011-11-23T17:19:21+0000
Xen Minimal OS!
  start_info: 0x1890000(VA)
    nr_pages: 0x1e0000
  shared_inf: 0xb2cea000(MA)
     pt_base: 0x1893000(VA)
nr_pt_frames: 0x11
    mfn_list: 0x990000(VA)
   mod_start: 0x0(VA)
     mod_len: 0
       flags: 0x0
    cmd_line: root=/dev/sda1 ro 4
  stack:      0x94f860-0x96f860
MM: Init
      _text: 0x0(VA)
     _etext: 0x6000d(VA)
   _erodata: 0x78000(VA)
     _edata: 0x80b00(VA)
stack start: 0x94f860(VA)
       _end: 0x98fe68(VA)
  start_pfn: 18a7
    max_pfn: 1e0000
Mapping memory range 0x1c00000 - 0x1e0000000
setting 0x0-0x78000 readonly
skipped 0x1000
MM: Initialise page allocator for 27a0000(27a0000)-1e0000000(1e0000000)
MM: done
Demand map pfns at 1e0001000-21e0001000.
Heap resides at 21e0002000-41e0002000.
Initialising timer interface
Initialising console ... done.
gnttab_table mapped at 0x1e0001000.
Initialising scheduler
Thread "Idle": pointer: 0x21e0002010, stack: 0x36f0000
Initialising xenbus
Thread "xenstore": pointer: 0x21e00027c0, stack: 0x3700000
Dummy main: start_info=0x96f960
Thread "main": pointer: 0x21e0002f70, stack: 0x3710000
"main" "root=/dev/sda1" "ro" "4" 
vbd 2049 is hd0
******************* BLKFRONT for device/vbd/2049 **********


backend at /local/domain/0/backend/vbd/162/2049
Failed to read /local/domain/0/backend/vbd/162/2049/feature-barrier.
Failed to read /local/domain/0/backend/vbd/162/2049/feature-flush-cache.
20971520 sectors of 512 bytes
**************************
vbd 2064 is hd1
******************* BLKFRONT for device/vbd/2064 **********


backend at /local/domain/0/backend/vbd/162/2064
Failed to read /local/domain/0/backend/vbd/162/2064/feature-barrier.
Failed to read /local/domain/0/backend/vbd/162/2064/feature-flush-cache.
880732160 sectors of 512 bytes
**************************
vbd 2080 is hd2
******************* BLKFRONT for device/vbd/2080 **********


backend at /local/domain/0/backend/vbd/162/2080
Failed to read /local/domain/0/backend/vbd/162/2080/feature-barrier.
Failed to read /local/domain/0/backend/vbd/162/2080/feature-flush-cache.
880732160 sectors of 512 bytes
**************************
[H[J
    GNU GRUB  version 0.97  (7864320K lower / 0K upper memory)

[m[4;2H+-------------------------------------------------------------------------+[5;2H|[5;76H|[6;2H|[6;76H|[7;2H|[7;76H|[8;2H|[8;76H|[9;2H|[9;76H|[10;2H|[10;76H|[11;2H|[11;76H|[12;2H|[12;76H|[13;2H|[13;76H|[14;2H|[14;76H|[15;2H|[15;76H|[16;2H|[16;76H|[17;2H+-------------------------------------------------------------------------+[m
    Use the ^ and v keys to select which entry is highlighted.
    Press enter to boot the selected OS, 'e' to edit the
    commands before booting, or 'c' for a command-line.[5;78H [m[7m[5;3H CentOS (2.6.32-71.29.1.el6.x86_64)                                      [5;75H[m[m[6;3H                                                                         [6;75H[m[m[7;3H                                                                         [7;75H[m[m[8;3H                                                                         [8;75H[m[m[9;3H                                                                        
 [9;75H[m[m[10;3H                                                                         [10;75H[m[m[11;3H                                                                         [11;75H[m[m[12;3H                                                                         [12;75H[m[m[13;3H                                                                         [13;75H[m[m[14;3H                                                                        
 [14;75H[m[m[15;3H                                                                         [15;75H[m[m[16;3H                                                                         [16;75H[m[16;78H [5;75H[23;4H The highlighted entry will be booted automatically in 5 seconds.   [5;75H[23;4H The highlighted entry will be booted automatically in 4 seconds.   [5;75H[23;4H The highlighted entry will be booted automatically in 3 seconds.   [5;75H[23;4H The highlighted entry will be booted automatically in 2 seconds.   [5;75H[23;4H The highlighted entry will be booted automatically in 1 seconds.   [5;75H[H[J  Booting 'CentOS (2.6.32-71.29.1.el6.x86_64)'

root (hd0)
 Filesystem type is ext2fs, using whole disk

kernel /boot/vmlinuz-2.6.32-71.29.1.el6.x86_64 ro root=/dev/sda1 rhgb quiet 
initrd /boot/initramfs-2.6.32-71.29.1.el6.x86_64.img

close blk: backend at /local/domain/0/backend/vbd/162/2049
close blk: backend at /local/domain/0/backend/vbd/162/2064
close blk: backend at /local/domain/0/backend/vbd/162/2080
PCI: Warning: Cannot find a gap in the 32bit address range
PCI: Unassigned devices with 32bit resource registers may break!
PCI: Fatal: No config space access function found

Boot has failed, sleeping forever.






________________________________
 From: Robinson Tiemuqinke <hahaha_30k@xxxxxxxxx>
To: CentOS mailing list <centos@xxxxxxxxxx> 
Sent: Tuesday, November 22, 2011 3:35 PM
Subject:  EC2 compatible kernel for centos 6?
 
Hi all,

 I'm just scrambling to collect clues to build an Amazon AWS AMI based on Centos 6. the AWS PV-GRUB kernel loads my kernel but failed immediately. I'm using stock Centos 6 kernel 2.6.32-71.29.1.el6. and the kernel seems have xen? support? My questions are:

 1, Are the centos 6 stock kernels, like kernel-2.6.32-71.29.1.el6.x86_64, EC2 compatible?

 2, If the answer to the above #1 question is NO, the are the centos plus kernels, like kernel-2.6.32-71.29.1.el6.centos.plus.x86_64, EC2 compatible?

 3, If the answers to both above are 'NO', then Are there any instructions to build a EC2 kernel based on kernel source RPMs? 


Any help are greatly appreciated.

--Tie
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