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Hi Francois,
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Francois Bissey <francois.bissey@×××××××××××××.nz> writes:
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> The OS is SuSE linux Enterprise Server 11 SP1 and it has kernel |
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> 2.6.32. SP3 and SP4 have 3.0 and would also be affected I believe. |
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> 2.6.32 is also the kernel of redhat/centos 6 which is still in wide |
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> use. |
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> |
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> So rap tried to install glibc 2.25 which was still the highest |
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> version available at the time. Compile went apparently fine until |
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> the install stage. When glibc told me politely but firmly: |
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> FATAL KERNEL TOO OLD |
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> And looking back at the log, it was initially configured to use |
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> 2.6.32 as the oldest kernel but the configure script changed that |
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> to 3.10 (If I remember correctly) later during configuration. |
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> |
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> After masking 2.25 I did try 2.24, the message was not as clear, there was |
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> a “FATAL” but I don’t think my kernel got insulted that time but it was |
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> the same place. And configure again rewrote the required minimal kernel |
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> version supported. |
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> |
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> Masking 2.24 I got down to 2.23 which in the end worked (after some massaging |
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> more about that later). |
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> |
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> So message #1 if you have an older kernel (<3.10) the latest glibc |
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> available to you is 2.23. That probably should be in the wiki. |
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Thanks for your tests.
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From 2.24, glibc requires linux kernel to be at least 3.2.0 for all architectures
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except x86 and amd64. Discussion is archived at,
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https://sourceware.org/ml/libc-alpha/2016-02/msg00002.html
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The commit is,
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https://sourceware.org/git/?p=glibc.git;a=commit;h=5b4ecd3f95695ef593e44
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So indeed. If a new profile like
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prefix/linux-standalone/ppc64/before_3.2.0 is added, it should mask
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>=sys-libs/glibc-2.25. |
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Benda |
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