Re: [REGRESSION][BISECTED][STABLE] Commit 60e3318e3e900 in stable/linux-6.1.y breaks cifs client failover to another server in DFS namespace

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On 16/10/2024, Andrew Paniakin wrote:
> On 27/09/2024, Linux regression tracking (Thorsten Leemhuis) wrote:
> > On 23.07.24 02:51, Andrew Paniakin wrote:
> > > On 12/07/2024, Andrew Paniakin wrote:
> > >> On 11/07/2024, Linux regression tracking (Thorsten Leemhuis) wrote:
> > >>> On 27.06.24 22:16, Christian Heusel wrote:
> > >>>> On 24/06/26 03:09PM, Andrew Paniakin wrote:
> > >>>>> On 25/06/2024, Christian Heusel wrote:
> > >>>>>> On 24/06/24 10:59AM, Andrew Paniakin wrote:
> > >>>>>>> On 19/06/2024, Andrew Paniakin wrote:
> > >>>>>>>> Commit 60e3318e3e900 ("cifs: use fs_context for automounts") was
> > >>
> > >>> Hmmm, unless I'm missing something it seems nobody did so. Andrew, could
> > >>> you take care of that to get this properly fixed to prevent others from
> > >>> running into the same problem?
> > >>
> > >> We got the confirmation from requesters that the kernel with this patch
> > >> works properly, our regression tests also passed, so I submitted
> > >> backport request:
> > >> https://lore.kernel.org/stable/20240713031147.20332-1-apanyaki@xxxxxxxxxx/
> > >
> > > There was an issue with backporting the follow-up fix for this patch:
> > > https://lore.kernel.org/all/20240716152749.667492414@xxxxxxxxxxxxxxxxxxx/
> > > I'll work on fixing this issue and send new patches again for the next cycle.
> > 
> > Andrew, was there any progress? From here it looks like this fell
> > through the cracks, but I might be missing something.
> > 
> > Ciao, Thorsten
> 
> Hi Thorsten, sorry for delay in reply.
> I had to do one step back and update my development setup, in order to
> prevent rebase process breaking: created script to use crosstool [1] to
> test my future backports on all platforms and make sure to search
> follow-up fixes for the patch I'm porting, found kernel.dance [2] for
> it. Now I'm trying to reproduce issue mentioned in follow-up fix [3] to
> have clear red/green test results. I think I should be able to send
> tested fixes in next 2 weeks.
> 
> [1] https://cdn.kernel.org/pub/tools/crosstool/
> [2] https://kernel.dance/
> [3] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d5a863a153e90996ab2aef6b9e08d509f4d5662b
Hi Thorsten,
Last weeks I had to work on few urgent internal issues, so this work got
delayed. I got confirmation from the manager to make this task my
priority until it's done. To progress faster I setup systemtap and was
able find the reason why my reproducer didn't work.




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