On Mi, 19 mai 21, 10:25:36, 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? > > My preference would be 5.10 (over 5.4), mainly because that is what > Unstable/Testing is currently using.
Not necessarily a guarantee, but having a version in backports is generally a good indicator that it should work with that particular release (backports is "tracking" the version in testing). I can confirm that 5.10 from backports works fine with buster, at least on a PINE A64+ (5.10 has better support for the display adapter on the A64). In general there is quite a lot of flexibility between kernel versions and userland, e.g. on another ARM64 machine buster is running on a (special) 3.18 kernel. Kind regards, Andrei -- http://wiki.debian.org/FAQsFromDebianUser
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