GNU bug report logs - #36725
26.1; Emacs can't connect to gnu elpa

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Message #47 received at 36725 <at> debbugs.gnu.org (full text, mbox):

From: Tim Cross <theophilusx <at> gmail.com>
To: Lennard Henze <henzelen <at> hu-berlin.de>
Cc: Noam Postavsky <npostavs <at> gmail.com>, 36725 <at> debbugs.gnu.org
Subject: Re: bug#36725: 26.1; Emacs can't connect to gnu elpa
Date: Fri, 19 Jul 2019 23:18:25 +1000

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Weird. When I set that variable, both elpa and melpa fail.

I upgraded to the 26.2.90 pretest and now it all works fine - no need to
set any additional variable.

I also increased the gnutls-log-level to 1 and saw a resource temporarily
unavailable errors. I'm running a dual stack network (IPv4 and IPv6) and
wonder if perhaps elpa.gnu.org IPv4 was fine but IPv6 was not and my system
was attempting to connect via IPv6. Thais could explain why I had more
success on the macOS as that system has IPv6 set to link-local only.

All speculation at this point. All working with the emacs pretest version,
so now I can get back to what I was originally trying to do oh so many
houts ago!

On Fri, 19 Jul 2019 at 23:06, Lennard Henze <henzelen <at> hu-berlin.de> wrote:

> Cleaned everything:
>
> emacs -Q: get into small buffer for lisp eval
>
> try to set via set-variable: does not find gnutls-algorithm-priority (only
> var starting with gnutls is gnutls-min-prime-bits)
>
> do customize-group gnutls: there the variable gnutls-algorithm-priority is
> shown and set to nil
>
> change it to NORMAL:-VERS-TLS1.3
>
> run package-initialize: no problem
>
> run package-refresh-contents: no problem
>
> install undo-tree via package-install ret undo-tree ret: no problem
>  On 19.07.19 14:33, Tim Cross wrote:
>
> What happens if you do
>
> emacs -Q
>
> set the gnutls-algorithm-priority (using customize-group or set-variable)
>
> and then
>
> M-x customize-group gnutls
>
> M-x package-initialise
> M-x package-refresh-contents
>
> I get a failed to download 'gnu' archive error. If I try to install the
> delight package (also a dependency of use-package) I get the bad response
> error.
>
> The issue is definitely TLS related, but not sure if it is client or
> server end. When I set the perferred algorithm variable, the connections to
> MELPA fail as well. Without setting that variable (i.e. set to nil) the
> connections to MELPA work fine and only ELPA fails.
>
> Tim
>
>
>
> On Fri, 19 Jul 2019 at 22:15, Lennard Henze <henzelen <at> hu-berlin.de> wrote:
>
>> Hey, I just double checked to not cause unnecessary confusion:
>>
>> Crated new user on arch to get empty home:
>>
>> used same .emacs as before, but without (setq gnutls-algorithm-priority
>> "NORMAL:-VERS-TLS1.3"). After refreshing package list i can find undo-tree
>> in gnu repos. When i try to install get the same bad request bug.
>>
>> After adding the line (setq gnutls-algorithm-priority
>> "NORMAL:-VERS-TLS1.3")
>> use-package downloads the package properly at startup and everything
>> works fine.
>>
>> Can i provide additional debug info?
>> Still not sure tho if its some dumb mistake in my os.
>>
>> On 19.07.19 14:09, Tim Cross wrote:
>>
>> Yep, checked and it made no difference. Did get a little more wrt error
>> info
>>
>> gnutls.el: (err=[-50] The request is invalid.) boot: (:priority
>> "NORMAL:-VERS-TLS1.3" :hostname melpa.org :loglevel 0 :min-prime-bits
>> 256 :trustfiles (/etc/ssl/certs/ca-certificates.crt) :crlfiles nil :keylist
>> nil :verify-flags nil :verify-error nil :callbacks nil)
>>
>> Also tried with TLS 1.2, same error.
>>
>>
>>
>> On Fri, 19 Jul 2019 at 22:02, Noam Postavsky <npostavs <at> gmail.com> wrote:
>>
>>> Robert Pluim <rpluim <at> gmail.com> writes:
>>>
>>> >     Noam> Does (setq gnutls-algorithm-priority "NORMAL:-VERS-TLS1.3")
>>> help?  If
>>> >     Noam> yes, this is likely Bug#34341 (should already be fixed
>>> already in
>>> >     Noam> emacs-26, and the 26.2.90 pretest).
>>> >
>>> > elpa.gnu.org uses TLS1.2, not TLS1.3. But emacs-27 has a bunch of
>>> > changes in its TLS handling that might improve matters.
>>>
>>> Hmm, it does.  On the other hand, Lennard told me [Lennard, please use
>>> "Reply All" next time so your response goes to the bug list] that (setq
>>> gnutls-algorithm-priority "NORMAL:-VERS-TLS1.3") did actually help.
>>>
>>> Tim, can you check the gnutls-algorithm-priority workaround too?
>>>
>>>
>>
>> --
>> regards,
>>
>> Tim
>>
>> --
>> Tim Cross
>>
>>
>
> --
> regards,
>
> Tim
>
> --
> Tim Cross
>
>

-- 
regards,

Tim

--
Tim Cross

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