Possible kafs related regression

[Jeffrey E Altman]

On 2/15/2024 6:48 AM, markus.suvanto at gmail.com wrote:
> Dear all
>
> Compiling code under /afs filesystem using make causes hang.
> For me this is regression and the latest working version was 6.7.2
> (at least I never hit this when I was using 6.7.2)
> I have not bisected this but first not working version was 6.7.3
> and 6.7.4 hangs also.
>
> I have not tested this using 6.8-rc4
>
> https://bugzilla.kernel.org/show_bug.cgi?id=218496
>
> -Markus Suvanto

Markus,

There is a known bug in all of the 6.7 kernels that breaks AFS 
communication on various networks.

This was discussed by myself and Michael Lass on openafs-devel. A fix 
was merged into 6.8-rc2 and 6.7.5-rc1.

The symptom are FetchData and StoreData calls that stall because the 
kernel drops the incoming udp packets. A stall when reading a directory 
would be consistent with that bug.

Jeffrey Altman

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