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

Wed Nov 23 18:48:36 UTC 2011
Robinson Tiemuqinke <hahaha_30k at yahoo.com>

Hi Johnny,

 Thanks a lot. I'll upgrade kernel to the cr repository, and give it a try now.

--Guolin


________________________________
 From: Johnny Hughes <johnny at centos.org>
To: centos at centos.org 
Sent: Wednesday, November 23, 2011 9:55 AM
Subject: Re: [CentOS] Any ideas?? -- Re: EC2 compatible kernel for centos 6?
 
On 11/23/2011 11:40 AM, Robinson Tiemuqinke wrote:
> 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 at yahoo.com>
> To: CentOS mailing list <centos at centos.org> 
> Sent: Tuesday, November 22, 2011 3:35 PM
> Subject: [CentOS] 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

I do not use amazon services, but does this help:

https://forums.aws.amazon.com/thread.jspa?threadID=78007



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