Latest OS update & GCLIB version question

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ASword
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Latest OS update & GCLIB version question

Post by ASword » Tue May 19, 2020 3:54 am

Today I was trying to install an updated binary that I've been waiting for (Grafana 7.0.0) on my headless N2 running the minimal Ubuntu 18.04. The install went fine, but the service fails to start because it cannot find GCLIB_2.28, and the N2 appears to have only 2.27. Since my OS was a few months out of date (I've been running a soak test to assess stability -- stayed up for a few months!), I decide to to an update and see if the GCLIB happened to have been updated. The update process seemed to go fine, but since I installed & rebooted I've now had a two 'freezes' where the the SSH connections froze or dropped and the N2 rebooted (inside of 5 minutes!). Are there any known issues with the latest OS? It seems to be related to when I'm trying to use an sshfs mount. Its up and running again, and everything seems to be fine... so far.

Also, does anyone know how (if) I can get GCLIB_2.28?

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mad_ady
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Re: Latest OS update & GCLIB version question

Post by mad_ady » Tue May 19, 2020 4:00 am

Not sure if grafana 7 comes as a docker container too - but that's something you can try. So far grafana/grafana:latest comes as 6.2.x, but maybe there are other tags.

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Re: Latest OS update & GCLIB version question

Post by ASword » Wed May 20, 2020 12:45 am

I prefer to avoid docker, if I can. I'm not sure if they distribute a 7.x.x docker image for ARM64. I specifically want the latest version.

Seems strange there's no way to update GCLIB to 2.28...?

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Re: Latest OS update & GCLIB version question

Post by mad_ady » Wed May 20, 2020 2:46 pm

I find it strange that Grafana is not targeting older os-es like 18.04. Glibc is the base of the OS (/lib/libc.so). You can try two things:
1. The clean way is to dist-upgrade to 20.04, but you'd miss HK updates (kernel/uboot) until they create a repo.
2. Replace /lib/libc.so with the one from 20.04 - it should be backwardly compatible

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Re: Latest OS update & GCLIB version question

Post by Nuems » Wed May 20, 2020 11:38 pm

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Re: Latest OS update & GCLIB version question

Post by ASword » Thu May 21, 2020 12:00 am

I'm trying to keep the system in a fairly "supportable" state... so hacking the distro like that, or even adopting an individual's one-off build (no matter how excellent and good!) isn't really in line with that. I'm trying to figure out if Armbian's mainline kernel version will have this library version. Looks like HK's 20.04 release is still a ways off.

Thanks for the suggestions though, guys.

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Re: Latest OS update & GCLIB version question

Post by ASword » Sat Jun 20, 2020 1:52 am

For anyone that cares, Grafana updated their AArch64 builds to use an older build platform, fixing this issue.
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