Re: kernel nvidia dkms rebuild after upgrade?
On Sun, Jan 07, 2018 at 11:31:58PM +0000, Yao Wei wrote:
> It is caused by a missing dependency libelf-dev.
> It is already reported against linux-headers-4.14.0-3-amd64:
> https://bugs.debian.org/886474
>
> I have the same symptom of broadcom-sta-dkms
>
Interesting. I noticed the libelf dependency when building 4.15-rc6 on
an LFS machine the other day, also driven by Meltdown, and had to
install elfutils to get the kernel to build without errors. Looks like
the new kernel has a dependency on that -- one reason is to use the ORC
kernel unwinder which is the default in that version I believe. Using
the alternative, the Frame Pointer unwinder, allows the build to happen
but then you get complaints at modules_install time for something else
that wants libelf too, I forget what. Installing elfutils solved all
issues.
I hadn't seen the problem in Debian but where I run Debian I run stretch
so just installed the stable update from stretch to fix Meltdown. Since
my stretch machines are behind my firewall anyway my priority was to get
my firewall patched, so if there is more to come in terms of patching
stock Debian kernels, I am disinclined to panic.
Mark
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