[Bug 959620] Re: ext4 backtrace observed with desktop install CD

2012-03-20 Thread Joseph Salisbury
*** This bug is a duplicate of bug 951537 *** https://bugs.launchpad.net/bugs/951537 The oops looks very similar to bug 951537. Marking as a duplicate of that bug. ** This bug has been marked a duplicate of bug 951537 BUG: unable to handle kernel NULL pointer dereference at 0140 --

[Bug 959620] Re: ext4 backtrace observed with desktop install CD

2012-03-20 Thread James Hunt
@Seth: yes, the installer kept going. I only noticed the issue looking in syslog for something else :-) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/959620 Title: ext4 backtrace observed with deskt

[Bug 959620] Re: ext4 backtrace observed with desktop install CD

2012-03-20 Thread Seth Forshee
ext4 is trying to allocate 64 KB of memory, and the allocation is failing. There's enough RAM free, but perhaps it's too fragmented to satisfy the allocation. Since it's a higher-order allocation the kernel doesn't try some of the more drastic measures to free memory. The particular code in questio

[Bug 959620] Re: ext4 backtrace observed with desktop install CD

2012-03-19 Thread James Hunt
** Attachment added: "linux-image-3.2.0-19-generic-pae.129251.crash" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/959620/+attachment/2900242/+files/linux-image-3.2.0-19-generic-pae.129251.crash -- You received this bug notification because you are a member of Ubuntu Bugs, which is sub

[Bug 959620] Re: ext4 backtrace observed with desktop install CD

2012-03-19 Thread James Hunt
** Attachment added: "syslog" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/959620/+attachment/2900244/+files/syslog -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/959620 Title: ext4 backt

[Bug 959620] Re: ext4 backtrace observed with desktop install CD

2012-03-19 Thread James Hunt
** Attachment added: "linux-image-3.2.0-19-generic-pae.130093.crash" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/959620/+attachment/2900243/+files/linux-image-3.2.0-19-generic-pae.130093.crash -- You received this bug notification because you are a member of Ubuntu Bugs, which is sub

[Bug 959620] Re: ext4 backtrace observed with desktop install CD

2012-03-19 Thread James Hunt
Hi Joseph, Please see the attached 2 crash files and syslog (containing the same stack trace), taken on a subsequent boot, again under kvm. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/959620 Title:

[Bug 959620] Re: ext4 backtrace observed with desktop install CD

2012-03-19 Thread Joseph Salisbury
This sounds similar to bug 951537. Did you happen to see a kernel oops? ** Changed in: linux (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/959620 Title:

[Bug 959620] Re: ext4 backtrace observed with desktop install CD

2012-03-19 Thread Brad Figg
** Changed in: linux (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/959620 Title: ext4 backtrace observed with desktop install CD To manage notifications abo

[Bug 959620] Re: ext4 backtrace observed with desktop install CD

2012-03-19 Thread James Hunt
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/959620 Title: ext4 backtrace observed with desktop install CD To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/li