Re: Request for account approval for GHC non-moving GC bug reporting

2023-08-08 Thread Ben Gamari
"Christian Berentsen (chrberen)"  writes:

> I was unfortunately not able to get signed in to report the bug.
> Something messed up with the browser storing the gitlab login
> password, and after using the "forgot password" I couldn't find the
> follow up email anywhere (including spam)
>
Hmm, this is quite unfortunate. I have checked the mail server and gmail
claims that the message was successfully delivered to
jc.berent...@gmail.com. Is this the expected address?

> Maybe something messed up with my mixing the work email for the
> mailing list and my personal for gitlab, causing the gitlab account to
> not be in the proper approval state?
>
> I can add some additional info about the bug event: 
> This was running on a shared cluster where IT identified there were a
> lot of unrelated zombie processes, so the "Resource temporarily
> unavailable" result was probably real.
>
> I'd expect this context to lower the severity of this bug. But anyway,
> this may possibly trigger in OS environments with resource constraints
> or bumping into syslimits.
>
While I'm not certain precisely what has failed here, I suspect that the
fact that we spawn and kill a fresh OS thread for each marking cycle
likely doesn't help matters. This is something that I have wanted to fix
for quite some time. Over the weekend I carried out the refactoring; the
result is !11048 [1]

Thanks again for your bug report. It would be great if we could get to
the bottom of why your account creation request is stuck.

Cheers,

- Ben


[1] https://gitlab.haskell.org/ghc/ghc/-/merge_requests/11048


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Re: Request for account approval for GHC non-moving GC bug reporting

2023-08-04 Thread Christian Berentsen (chrberen) via ghc-devs
I was unfortunately not able to get signed in to report the bug. Something 
messed up with the browser storing the gitlab login password, and after using 
the "forgot password" I couldn't find the follow up email anywhere (including 
spam)

Maybe something messed up with my mixing the work email for the mailing list 
and my personal for gitlab, causing the gitlab account to not be in the proper 
approval state?

I can add some additional info about the bug event: 
This was running on a shared cluster where IT identified there were a lot of 
unrelated zombie processes, so the "Resource temporarily unavailable" result 
was probably real.

I'd expect this context to lower the severity of this bug. But anyway, this may 
possibly trigger in OS environments with resource constraints or bumping into 
syslimits.

--
Christian

On 03/08/2023, 15:58, "Ben Gamari"  wrote:

"Christian Berentsen \(chrberen\) via ghc-devs" 
writes:

> We may have encountered a bug in the non-moving GC runtime, triggering:
>
> congregat-exe: internal error: nonmovingCollect: failed to spawn mark 
thread: Resource temporarily unavailable
> (GHC version 9.2.6 for x86_64_unknown_linux)
> Please report this as a GHC bug: 
https://www.haskell.org/ghc/reportabug
>
> Need account approval for jc.berent...@gmail.com to report, if this is 
not a duplicate
>
Very interesting; thanks in advance for your ticket and apologies for
the inconvenience in registering!

Cheers,

- Ben



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Re: Request for account approval for GHC non-moving GC bug reporting

2023-08-03 Thread Ben Gamari
"Christian Berentsen \(chrberen\) via ghc-devs" 
writes:

> We may have encountered a bug in the non-moving GC runtime, triggering:
>
> congregat-exe: internal error: nonmovingCollect: failed to spawn mark thread: 
> Resource temporarily unavailable
> (GHC version 9.2.6 for x86_64_unknown_linux)
> Please report this as a GHC bug: https://www.haskell.org/ghc/reportabug
>
> Need account approval for jc.berent...@gmail.com to report, if this is not a 
> duplicate
>
Very interesting; thanks in advance for your ticket and apologies for
the inconvenience in registering!

Cheers,

- Ben



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Re: Request for account approval for GHC non-moving GC bug reporting

2023-08-03 Thread Bryan Richter via ghc-devs
Approved! Thanks for joining.

On Thu, 3 Aug 2023 at 15:17, Christian Berentsen (chrberen) via ghc-devs <
ghc-devs@haskell.org> wrote:

> We may have encountered a bug in the non-moving GC runtime, triggering:
>
> congregat-exe: internal error: nonmovingCollect: failed to spawn mark
> thread: Resource temporarily unavailable
> (GHC version 9.2.6 for x86_64_unknown_linux)
> Please report this as a GHC bug:
> https://www.haskell.org/ghc/reportabug
>
> Need account approval for jc.berent...@gmail.com to report, if this is
> not a duplicate
>
> Regards, Christian
>
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