@pkern-k
@pkern
@smu-u
@antarus
It just occurred to me that you might not be aware that the 3.13 *(that now has
the CONFIG_IMA) kernel available in 14.04 will be available in the update
archives for precise shortly after 14.04 release. That's less than 3 months
away.
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Hi Philipp,
12.04.4 is just the first appearance of the saucy kernel in the install media.
As soon as a package is in main, it is supported.
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Tit
@pkern-l
linux-generic-lts-saucy is available and supported in precise.
The source base between linux-generic-lts-saucy and kernels in saucy are
built from the same sources.
As for creating a new flavor, creating additional flavors is avoided at
all cost. Each additional flavor requires additio
Would there be a chance to create a -ima flavor of the kernel instead of
enabling it in the stock kernel flavor? This should allow for it to go
into Trusty and into Saucy as a SRU, if I understand correctly, since it
provides a new binary package instead of modifying an existing one (no
regression
As cking noted in #4 this would cause a performance impact for ext2/3.
That alone prevents it from moving into the stable saucy kernel.
Additionally this is a significant enough change that it would not satisfy the
SRU requirements for pushing into the saucy kernel.
Please see
https://wiki.ubun
** Changed in: linux (Ubuntu Saucy)
Assignee: Chris J Arges (arges) => Dave Chiluk (chiluk)
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Title:
Please enable CONFIG_IMA in the ubuntu k
** Changed in: linux (Ubuntu Saucy)
Assignee: (unassigned) => Chris J Arges (arges)
** Changed in: linux (Ubuntu Saucy)
Importance: Undecided => Medium
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Could this be enabled in the saucy LTS backport kernel in precise as
well, please? It will take a while until the trusty kernel becomes
available there and this blocks our switch to the saucy kernel. Thanks!
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Fixed in 3.13.0-1.16
** Changed in: linux (Ubuntu Trusty)
Status: Fix Committed => Fix Released
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Title:
Please enable CONFIG_IMA in the u
** Also affects: linux (Ubuntu Saucy)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Saucy)
Status: New => Triaged
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** Tags removed: raring
** Tags added: saucy
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Title:
Please enable CONFIG_IMA in the ubuntu kernel
To manage notifications about this bug go to:
For making sure IMA isn't enabled at boot by default, here's some
details From http://sourceforge.net/p/linux-ima/wiki/Home/
Enabling IMA
IMA was first included in the 2.6.30 kernel. For distros that enable IMA by
default in their kernels, collecting IMA measurements simply requires rebooting
th
** Changed in: linux (Ubuntu Trusty)
Status: In Progress => Fix Committed
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Title:
Please enable CONFIG_IMA in the ubuntu kernel
To manage
** Also affects: linux (Ubuntu Trusty)
Importance: Medium
Assignee: Colin King (colin-king)
Status: In Progress
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Title:
Please ena
So enabling this consumes an extra sizeof(atomic_t) bytes per inode.
Instrumenting the kernel with it enabled we see:
* To boot a system:
0.113 MB allocated + 23 x 4K slabs in iint_cache, total: 0.203 MB
consumed for ~1288 cached file entries.
* Install kernel + headers:
0.401 MB allocated +
Investigations and benchmarking are ongoing to confirm/deny that turning
this on without enabling is cheap enough to enable in the default
configurations.
** Changed in: linux (Ubuntu)
Status: Triaged => In Progress
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Colin King (c
Moving to main linux package. Waiting for memory benchmark comparison of:
- without CONFIG_IMA
- with CONFIG_IMA
- with CONFIG_IMG + policy
** Package changed: linux-meta-lts-saucy (Ubuntu) => linux (Ubuntu)
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** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Tags added: kernel-da-key raring trusty
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-meta-lts-saucy (Ubuntu)
Status: New => Confirmed
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