Bug#1049873: regression: linux-image-6.1.0-10-amd64: NFS4.1/pNFS mv hangs, but finishes after Ctrl-C
Hi Christoph,
On Tue, Feb 04, 2025 at 03:12:42AM +0100, Christoph Anton Mitterer wrote:
> Hey Salvatore.
>
> On Sat, 2025-02-01 at 14:52 +0100, Salvatore Bonaccorso wrote:
> > While looking at some NFS related bugs I noticed this one which was
> > unaswered, but reported against an old 6.1.y version.
>
> It still happens with 6.1.119-1.
Ok. reopening the bug for now.
>
> > 6.1.y version, then please reopen the bug and do remove the moreinfo
> > tag if you have an indepented reproducer of dCache, in which case it
> > might be considered a upstream problem, otherwise I would suggest you
> > first approach the dCache developers (it still could be a kernel
> > problem as dCache from a quick look is plain in userpace
> > components?).
>
> I rather doubt it's a dCache bug, or well, at least it used to work in
> older kernel versions as mentioned in the original report.
> Also, as you say, dCache is purely in userspace.
Sure, but it is still a very specialized usecase. As I understand
there is for instance the PoolManager which takes action when a user
performs a reading or writing operation on a file. And I noticed you
filled earlier a (maybe related) https://github.com/dCache/dcache/issues/6592
>
>
> > Please do attach the full boot log, after having triggered the
> > problem.
>
> There are no additional messages after the condition has been
> triggered.
> But I've attached the whole dmesg log.
Thanks!
I still supect that the dCache develpers might need to help here to
see if they can reproduce in lab conditions to narrow down the
problem.
Regards,
Salvatore
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