Public bug reported:
For 2.6.38-8-server and 2.6.38-10-server running on Dell R710s and R610s with
50GB of memory it isn't possible to create a crashkernel area of 512M or
larger. The limit is actually less than 512M but I haven't bothered to do a
binary search
between 384M and 512M to determine the precise limit.
This limitation makes it difficult make the crashdump facilities work
without building a small custom crashkernel that can do its work in 384M
of memory or less.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-8-server 2.6.38-8.42
ProcVersionSignature: Ubuntu 2.6.38-8.42-server 2.6.38.2
Uname: Linux 2.6.38-8-server x86_64
AlsaDevices:
total 0
crw------- 1 root root 116, 1 2011-10-26 23:55 seq
crw------- 1 root root 116, 33 2011-10-26 23:55 timer
AplayDevices: Error: [Errno 2] No such file or directory
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory
CurrentDmesg:
[ 32.819731] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 42.846540] eth0: no IPv6 routers present
Date: Thu Oct 27 00:04:41 2011
HibernationDevice: RESUME=UUID=7de8f352-5c11-4bd7-9a4b-56d687312ce0
InstallationMedia: Ubuntu-Server 11.04 "Natty Narwhal" - Release amd64
(20110426)
MachineType: Dell Inc. PowerEdge R710
PciMultimedia:
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-2.6.38-8-server
root=UUID=ea7a5a27-d58f-469f-a19c-3e65b69587f6 ro crashkernel=512M
console=ttyS0,115200n8
RelatedPackageVersions:
linux-restricted-modules-2.6.38-8-server N/A
linux-backports-modules-2.6.38-8-server N/A
linux-firmware 1.52
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/02/2010
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 2.1.15
dmi.board.name: 0YDJK3
dmi.board.vendor: Dell Inc.
dmi.board.version: A12
dmi.chassis.asset.tag: Nexus1
dmi.chassis.type: 23
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr2.1.15:bd09/02/2010:svnDellInc.:pnPowerEdgeR710:pvr:rvnDellInc.:rn0YDJK3:rvrA12:cvnDellInc.:ct23:cvr:
dmi.product.name: PowerEdge R710
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug natty
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https://bugs.launchpad.net/bugs/882322
Title:
The crashkernel size can't be >= 512M
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