Bug#699913: linux-image-3.2.0-4-amd64: Memory hotplug (VMware) often fails

[Bernhard Schmidt <Bernhard.Schmidt@lrz.de>]

On 11.02.2013 02:09, Ben Hutchings wrote:

Hello,

thanks will do. Your description fits quite well, we've been unable to
reproduce with a freshly booted system even in production, but most VMs
that were upgraded due to memory shortage failed.

Bernhard

> Control: tag -1 upstream moreinfo
> 
> On Wed, 2013-02-06 at 18:02 +0100, Bernhard Schmidt wrote:
>> Package: src:linux
>> Version: 3.2.35-2
>> Severity: normal
>>
>> Adding additional RAM to a virtual machine running Debian Wheezy on
>> VMware ESXi 5.0 often, but not always leads to the attached backtrace.
>>
>> If that happens, the system has considerably less new (offline) memory 
>> banks in /sys/devices/system/memory/memory* than it should have, and 
>> setting all available memory banks online does not give all the memory
>> expected.
> [...]
> 
> Please test whether the attached patch fixes this.  Instructions for
> building a patched kernel package are in the Debian kernel handbook:
> <http://kernel-handbook.alioth.debian.org/ch-common-tasks.html#s-common-official>.
> 
> Ben.
>