Comment 0 for bug 1005551

Quantal stopped booting on EC2 around 2012-05-25.

ben@padfoot:~$ ec2-get-console-output -i i-75727213
Required parameter 'INSTANCE' missing (-h for usage)
ben@padfoot:~$ ec2-get-console-output i-75727213
i-75727213
2012-05-28T14:17:49+0000
Xen Minimal OS!
  start_info: 0xb10000(VA)
    nr_pages: 0x6a400
  shared_inf: 0x001a5000(MA)
     pt_base: 0xb13000(VA)
nr_pt_frames: 0x9
    mfn_list: 0x967000(VA)
   mod_start: 0x0(VA)
     mod_len: 0
       flags: 0x0
    cmd_line: root=/dev/sda1 ro 4
  stack: 0x946780-0x966780
MM: Init
      _text: 0x0(VA)
     _etext: 0x61e65(VA)
   _erodata: 0x76000(VA)
     _edata: 0x7b6d4(VA)
stack start: 0x946780(VA)
       _end: 0x966d34(VA)
  start_pfn: b1f
    max_pfn: 6a400
Mapping memory range 0xc00000 - 0x6a400000
setting 0x0-0x76000 readonly
skipped 0x1000
MM: Initialise page allocator for e6c000(e6c000)-0(6a400000)
MM: done
Demand map pfns at 6a401000-7a401000.
Heap resides at 7a402000-ba402000.
Initialising timer interface
Initialising console ... done.
gnttab_table mapped at 0x6a401000.
Initialising scheduler
Thread "Idle": pointer: 0x7a402008, stack: 0x6a030000
Initialising xenbus
Thread "xenstore": pointer: 0x7a402478, stack: 0x6a040000
Dummy main: start_info=0x966880
Thread "main": pointer: 0x7a4028e8, stack: 0x6a050000
"main" "root=/dev/sda1" "ro" "4"
vbd 2049 is hd0
******************* BLKFRONT for device/vbd/2049 **********

backend at /local/domain/0/backend/vbd/126/2049
Failed to read /local/domain/0/backend/vbd/126/2049/feature-barrier.
Failed to read /local/domain/0/backend/vbd/126/2049/feature-flush-cache.
16777216 sectors of 0 bytes
**************************
vbd 2050 is hd1
******************* BLKFRONT for device/vbd/2050 **********

backend at /local/domain/0/backend/vbd/126/2050
Failed to read /local/domain/0/backend/vbd/126/2050/feature-barrier.
Failed to read /local/domain/0/backend/vbd/126/2050/feature-flush-cache.
312705024 sectors of 0 bytes
**************************
vbd 2051 is hd2
******************* BLKFRONT for device/vbd/2051 **********

backend at /local/domain/0/backend/vbd/126/2051
Failed to read /local/domain/0/backend/vbd/126/2051/feature-barrier.
Failed to read /local/domain/0/backend/vbd/126/2051/feature-flush-cache.
1835008 sectors of 0 bytes
**************************
[H[J Booting 'Ubuntu quantal (development branch), memtest86+'

root (hd0)
 Filesystem type is ext2fs, using whole disk
kernel /boot/memtest86+.bin

xc_dom_probe_bzimage_kernel: kernel is not a bzImage
ERROR Invalid kernel: xc_dom_find_loader: no loader found

xc_dom_core.c:536: panic: xc_dom_find_loader: no loader found
xc_dom_parse_image returned -1

Error 9: Unknown boot failure

Press any key to continue...