[Bug 1086072] [NEW] some output to /dev/console does not reach /dev/console

Scott Moser smoser at ubuntu.com
Mon Dec 3 18:03:29 UTC 2012


Public bug reported:

This had been seen occasionally previously, but in raring is more
apparent, and made bug  1078926 more difficult to diagnose.

cloud-init has several upstart jobs which have 'console output'.
Often times output of these jobs does not reach the console.  cloud-init-local and cloud-init would normally output data like:
  Cloud-init v. 0.7.1 running 'init' at Mon, 03 Dec 2012 15:56:41 +0000. Up 6.81 seconds.
to their stdout.

The console output of a cloud image (collected from the hypervisor log
by an API call, ie 'euca-get-console-output') often times does not have
this data in it.  The lost data is usually found in /var/log/boot.log
after inspection.

The attached file has missing output of:
 Cloud-init v. 0.7.1 running 'init-local' at Mon, 03 Dec 2012 15:59:31 +0000. Up 5.95 seconds.

Related bugs:
 * bug 1078926:  raring instance failed to find EC2 datasource 
 * bug 682831:  lost console output early in boot

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: plymouth 0.8.8-0ubuntu2
ProcVersionSignature: Ubuntu 3.7.0-4.12-generic 3.7.0-rc7
Uname: Linux 3.7.0-4-generic x86_64
ApportVersion: 2.6.3-0ubuntu2
Architecture: amd64
Date: Mon Dec  3 17:38:28 2012
DefaultPlymouth: Error: command ['readlink', '/etc/alternatives/default.plymouth'] failed with exit code 1:
Ec2AMI: ami-00000177
Ec2AMIManifest: FIXME
Ec2AvailabilityZone: nova
Ec2InstanceType: m1.small
Ec2Kernel: unavailable
Ec2Ramdisk: unavailable
Lsusb:
 Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd 
 Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: Bochs Bochs
MarkForUpload: True
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.7.0-4-generic root=LABEL=cloudimg-rootfs ro console=tty1 console=ttyS0 --verbose
ProcEnviron:
 TERM=screen
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB:
 
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.7.0-4-generic root=LABEL=cloudimg-rootfs ro console=tty1 console=ttyS0 --verbose
SourcePackage: plymouth
TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/01/2007
dmi.bios.vendor: Bochs
dmi.bios.version: Bochs
dmi.chassis.type: 1
dmi.chassis.vendor: Bochs
dmi.modalias: dmi:bvnBochs:bvrBochs:bd01/01/2007:svnBochs:pnBochs:pvr:cvnBochs:ct1:cvr:
dmi.product.name: Bochs
dmi.sys.vendor: Bochs

** Affects: plymouth (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug ec2-images raring

** Attachment added: "example console output with missing data"
   https://bugs.launchpad.net/bugs/1086072/+attachment/3450746/+files/console-verbose-log.txt

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https://bugs.launchpad.net/bugs/1086072

Title:
  some output to /dev/console does not reach /dev/console

Status in “plymouth” package in Ubuntu:
  New

Bug description:
  This had been seen occasionally previously, but in raring is more
  apparent, and made bug  1078926 more difficult to diagnose.

  cloud-init has several upstart jobs which have 'console output'.
  Often times output of these jobs does not reach the console.  cloud-init-local and cloud-init would normally output data like:
    Cloud-init v. 0.7.1 running 'init' at Mon, 03 Dec 2012 15:56:41 +0000. Up 6.81 seconds.
  to their stdout.

  The console output of a cloud image (collected from the hypervisor log
  by an API call, ie 'euca-get-console-output') often times does not
  have this data in it.  The lost data is usually found in
  /var/log/boot.log after inspection.

  The attached file has missing output of:
   Cloud-init v. 0.7.1 running 'init-local' at Mon, 03 Dec 2012 15:59:31 +0000. Up 5.95 seconds.

  Related bugs:
   * bug 1078926:  raring instance failed to find EC2 datasource 
   * bug 682831:  lost console output early in boot

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: plymouth 0.8.8-0ubuntu2
  ProcVersionSignature: Ubuntu 3.7.0-4.12-generic 3.7.0-rc7
  Uname: Linux 3.7.0-4-generic x86_64
  ApportVersion: 2.6.3-0ubuntu2
  Architecture: amd64
  Date: Mon Dec  3 17:38:28 2012
  DefaultPlymouth: Error: command ['readlink', '/etc/alternatives/default.plymouth'] failed with exit code 1:
  Ec2AMI: ami-00000177
  Ec2AMIManifest: FIXME
  Ec2AvailabilityZone: nova
  Ec2InstanceType: m1.small
  Ec2Kernel: unavailable
  Ec2Ramdisk: unavailable
  Lsusb:
   Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd 
   Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: Bochs Bochs
  MarkForUpload: True
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.7.0-4-generic root=LABEL=cloudimg-rootfs ro console=tty1 console=ttyS0 --verbose
  ProcEnviron:
   TERM=screen
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.7.0-4-generic root=LABEL=cloudimg-rootfs ro console=tty1 console=ttyS0 --verbose
  SourcePackage: plymouth
  TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/01/2007
  dmi.bios.vendor: Bochs
  dmi.bios.version: Bochs
  dmi.chassis.type: 1
  dmi.chassis.vendor: Bochs
  dmi.modalias: dmi:bvnBochs:bvrBochs:bd01/01/2007:svnBochs:pnBochs:pvr:cvnBochs:ct1:cvr:
  dmi.product.name: Bochs
  dmi.sys.vendor: Bochs

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