** CVE removed: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2010-4249
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https://bugs.launchpad.net/bugs/667796
Title:
kernel only recognizes 32G of memory
To manage notifications
This bug was fixed in the package linux - 2.6.35-25.44
---
linux (2.6.35-25.44) maverick-proposed; urgency=low
[ Upstream Kernel Changes ]
* Revert "drm/radeon/kms: properly compute group_size on 6xx/7xx"
- LP: #703553
linux (2.6.35-25.43) maverick-proposed; urgency=low
[
ubuntu@domU-12-31-39-17-11-68:~$ free -m
total used free sharedbuffers cached
Mem: 68690 1381 67308 0 6 31
-/+ buffers/cache: 1344 67345
Swap:0 0 0
ubuntu@domU-12-31-39-17-11-
Accepted into maverick-proposed, the package will build now and be
available in a few hours. Please test and give feedback here. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed. Thank you in advance!
** Changed in: linux (Ubuntu Maverick)
** Description changed:
+ SRU justification:
+
+ Impact: The config option XEN_MAX_DOMAIN_MEMORY controls how much memory
+ a Xen instance is seeing. The default for 64bit is 32GB, which is the
+ reason that m2.4xlarge instances only report this amount of memory.
+
+ Fix: Setting this limit to 7
** Also affects: linux (Ubuntu Maverick)
Importance: Undecided
Status: New
** Also affects: linux-ec2 (Ubuntu Maverick)
Importance: Undecided
Status: New
** Changed in: linux-ec2 (Ubuntu Maverick)
Status: New => Invalid
** Changed in: linux (Ubuntu Maverick)
Importa
It really is as simple as that: uname -a
Linux domU-12-31-39-18-27-15 2.6.35-24-virtual #42+lp667796v1 SMP Thu Dec 9
18:08:46 UTC 2010 x86_64 GNU/Linux
dmesg |grep Mem
[14960639.962084] Memory: 70324392k/7168k available (5817k kernel code,
448k absent, 1355160k reserved, 5515k data, 828k ini
Thanks Ed, about to test changing that config.
** Changed in: linux (Ubuntu)
Status: Confirmed => In Progress
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Stefan Bader (stefan-bader-canonical)
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The most likely culprit seems to be CONFIG_XEN_MAX_DOMAIN_MEMORY=32 in
config-2.6.35-24-virtual.
** Attachment added: "config-2.6.35-24-virtual.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/667796/+attachment/1760983/+files/config-2.6.35-24-virtual.txt
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You received this bug n
I booted a t1.micro instance with an image based on ami-ca1f4f8f,
installed the updated maverick kernel from bug 651370
(https://launchpad.net/ubuntu/+archive/primary/+files/linux-
image-2.6.35-24-virtual_2.6.35-24.42_amd64.deb), and converted the
instance to m2.4xlarge. The m2.4xlarge instance sti
Brandon, correct. this is maverick kernel issue only. I incorrectly
stated that it was. I've since removed the 'linux-ec2' task for this
bug. (linux-ec2 is kernel package for lucid, linux is kernel package for
maverick).
--
kernel only recognizes 32G of memory
https://bugs.launchpad.net/bugs/6
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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kernel only recognizes 32G of memory
https://bugs.launchpad.net/bugs/667796
You received this bug notification because you are a member of Ubuntu
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My experience so far has been that the Lucid kernels do not have this memory
size bug, only the Maverick ones.
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kernel only recognizes 32G of memory
https://bugs.launchpad.net/bugs/667796
You received this bug notification because you are a member of Ubuntu
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I was wondering why that kernel version would exhibit this bug, since
that's what I've downgraded my Maverick instances to get them to show
the correct amount of memory.
Once we get a Maverick weekly EC2 image which reliably boots up without
hitting bug 651370, I will post the kernel logs from it
My comment #2 above is invalid. I ran a m2.2xlarge, and showed it had 32G of
memory. a m2.2xlarge *should* have 32G memory. I've now verified the same ami
(ami-4a0df923) does show 64G of memory.
$ dpkg -S /boot/vmlinuz-$(uname -r)
linux-image-2.6.32-309-ec2: /boot/vmlinuz-2.6.32-309-ec2
$ uname
[0.00] Linux version 2.6.35-22-virtual (bui...@yellow) (gcc version
4.4.5 (Ubuntu/Linaro 4.4.4-14ubuntu5) ) #35-Ubuntu SMP Sat Oct 16 23:19:29 UTC
2010 (Ubuntu 2.6.35-22.35-virtual 2.6.35.4)
[8343235.991081] Memory: 32797532k/33554432k available (5816k kernel code, 448k
absent, 756452k r
I added linux-ec2. This issue is a problem also on lucid.
I tested on:
us-east-1 ami-4a0df923 canonical ebs/ubuntu-lucid-10.04-amd64-server-20101020
$ wget http://169.254.169.254/latest/meta-data/instance-type -O - -q ; echo
m2.2xlarge
$ free
total used free shared
** Also affects: linux-ec2 (Ubuntu)
Importance: Undecided
Status: New
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kernel only recognizes 32G of memory
https://bugs.launchpad.net/bugs/667796
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