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Hello, tastytea. |
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On Fri, Dec 17, 2021 at 00:18:12 +0100, tastytea wrote: |
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> On 2021-12-16 15:55+0000 Alan Mackenzie <acm@×××.de> wrote: |
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> > Hello, Gentoo. |
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> > I'm developing software, and it crashes in its build process. I want |
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> > a core dump, to help find out where and why it's crashing. |
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> > I've got CONFIG_ELF_CORE and CONFIG_COREDUMP both configured to yes in |
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> > my kernel. |
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> > When I do |
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> > $ uclimit -H -c |
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> > , it tells me "unlimited". |
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> > But still, no dump. :-( |
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> > What am I missing? |
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> You need to enable them explicitly. If you're using PAM: |
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> echo '* soft core unlimited' > /etc/security/limits.conf |
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> It only has an effect after your next login. For more information, see |
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> <https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces#Core_dumps>. |
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Thanks greatly! This was a very helpful answer. I've now edited that |
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file, and will be ready next time there's a problem like this. |
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As half expected when you ask a question like this, I found the problem |
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in my build software anyhow. I was doing one too many pointer |
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dereferences on a (in C) **bool. |
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> Kind regards, tastytea |
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> -- |
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> Get my PGP key with `gpg --locate-keys tastytea@××××××××.de` or at |
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> <https://tastytea.de/tastytea.asc>. |
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-- |
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Alan Mackenzie (Nuremberg, Germany). |
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