Hi On 2021-05-18 8:25 p.m., Brendan Simon (eTRIX) wrote: > I'm currently using Debian Buster on an embedded system (ARM) and am > currently using an older 4.4 kernel. > > I need to upgrade to later version to support a new Ethernet Phy device > (KSZ9131). > > Kernel 4.19 is the default for Buster, but it doesn't seem to have the > KSZ9131 support. I have cherry-picked some newer KSZ9131 commits and > hope that it works. > > Just wondering, is it safe to use kernel 5.4 or 5.10 with Debian Buster > packages? > You can build a debian package directly from the kernel source code. Just clone the git repository.
This will give you a .deb package (and a .dsc too). You don't risk much, but I'd still suggest you use the stable LTS tree with 5.10.37 You can easily revert if needed and there ain't any risk that it does break something. If you want to really play safe, boot into single user mode with root read-only ( use init=/bin/bash in the kernel boot options). I'm on a different architecture but still, I mostly use the kernel from git.kernel.org so I don't have to wait for the package from Debian if a vulnerability is found in the kernel. > My preference would be 5.10 (over 5.4), mainly because that is what > Unstable/Testing is currently using. > > Thanks, Brendan. > -- Polyna-Maude R.-Summerside -Be smart, Be wise, Support opensource development
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