On Fri, Aug 1, 2025 at 3:21 AM Richard W.M. Jones <rjones@xxxxxxxxxx> wrote:
On Thu, Jul 31, 2025 at 05:31:02PM -0600, Leo Sandoval wrote:
> This week I am experimenting long latencies when running
>
> `fedpkg srpm`
>
> (around 5 minutes, real time).
>
> `strace -c fedpkg srpm` is telling me that the 'wait4' syscall is the one
> consuming most of the time (85%)
You'll need to use 'strace -f ...' to follow whatever subprocess it is
waiting for.
good catch. I tried it again but got similar results, with wait4 syscall on top.
Also 'dnf update fedpkg fedora-packager python3-rpkg' to make sure
you're at the latest version.
updated but got the same result.
> My network connection is not the fastest but running the rhpkg srpm I
> basically got instant results. Also, I am not sure if these delays started
> after the data center move but perhaps that may be a factor.
>
> Any idea how to debug this one?
For me, long delays like this are always kerberos. 'fedpkg srpm'
needs to check and/or download the sources, so it's plausible that
kerberos is being used. Anyway in case you want to discount kerberos
as being the problem you can do:
KRB5_TRACE=/dev/stdout fedpkg srpm
(for me that prints nothing extra).
the same for me, no output.
Just one relevant finding so far: I have tested on a fedora42 and fedora41 VMs running on my lap and it is working as expected! so there is something on my host system which is causing these delays.
Rich.
--
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