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Reproducible bug

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  Reproducible bug Laurent Lyaudet <laurent.lyaudet@gmail.com> - 2017-11-08 20:40 +0100
    Re: Reproducible bug Roberto C. Sánchez <roberto@debian.org> - 2017-11-08 21:00 +0100
    Re: Reproducible bug Laurent Lyaudet <laurent.lyaudet@gmail.com> - 2017-11-09 20:30 +0100

#188766 — Reproducible bug

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Hello,

I found a reproducible bug in latest stable Debian on my laptop.
My install is up-to-date with latest security updates (that's the first
thing I do anytime I start my laptop).
I'm using Gnome.

Steps to reproduce on my laptop:
 - activate the wifi with upper right screen controls
 - repeatedly click on "Activities" in the upper left corner to show the
quick launch bar and click below to hide it. After a few seconds after the
network connection is set, the click on Activities no longer works. After
one minute, it starts working again.

Note that if I don't activate the wifi, then I can repeatedly click on
"Activities" without triggering the bug.

When I first installed the latest stable Debian on my laptop, I did not
encounter this bug.
I suppose it is a bug with Gnome but I'm not sure, that's why I'm here.
I wonder why it started happening a few weeks ago.
I think there was the update to X and I also had a crash of Firefox at its
startup because of some recently opened webpage.
Hence I don't know if it's a regression or a malware that causes this. (Yes
I'm a bit paranoïd but unfortunately, when I was using Ubuntu, before I
switched back to Debian, I have been hacked and lost some files :( .)

Thank you for the help, best regards,
   Laurent Lyaudet

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#188770

On Wed, Nov 08, 2017 at 08:19:11PM +0100, Laurent Lyaudet wrote:
>    Hello,
> 
>    I found a reproducible bug in latest stable Debian on my laptop.
>    My install is up-to-date with latest security updates (that's the first
>    thing I do anytime I start my laptop).
>    I'm using Gnome.
>    Steps to reproduce on my laptop:
>     - activate the wifi with upper right screen controls
>     - repeatedly click on "Activities" in the upper left corner to show the
>    quick launch bar and click below to hide it. After a few seconds after the
>    network connection is set, the click on Activities no longer works. After
>    one minute, it starts working again.
> 
>    Note that if I don't activate the wifi, then I can repeatedly click on
>    "Activities" without triggering the bug.

This sounds like some sort of network-related time out.  Do you have
LDAP authentication, Kerberos, Samba, NFS automounts, etc.?  Does it
always happen regardless of what wireless network you connect to?  Could
it be the DNS configuration, whether that is the configuration pushed by
the network's DHCP server or an override configuration you are using?

Regards,

-Roberto

-- 
Roberto C. Sánchez

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#188825

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>On Wed, Nov 08, 2017 at 08:19:11PM +0100, Laurent Lyaudet wrote:
>>    Hello,
>>
>>    I found a reproducible bug in latest stable Debian on my laptop.
>>    My install is up-to-date with latest security updates (that's the first
>>    thing I do anytime I start my laptop).
>>    I'm using Gnome.
>>    Steps to reproduce on my laptop:
>>     - activate the wifi with upper right screen controls
>>     - repeatedly click on "Activities" in the upper left corner to show the
>>    quick launch bar and click below to hide it. After a few seconds after the
>>    network connection is set, the click on Activities no longer works. After
>>    one minute, it starts working again.
>>
>>    Note that if I don't activate the wifi, then I can repeatedly click on
>>    "Activities" without triggering the bug.
>
>This sounds like some sort of network-related time out.  Do you have
>LDAP authentication, Kerberos, Samba, NFS automounts, etc.?  Does it
<always happen regardless of what wireless network you connect to?  Could
<it be the DNS configuration, whether that is the configuration pushed by
>the network's DHCP server or an override configuration you are using?

Hello Roberto,

Thanks for the response.

I have nothing of LDAP authentication, Kerberos, Samba, NFS, etc.

I'm using my laptop only at home with the box of my ISP.

I changed nothing with the box for years.
When I fresh installed Debian Stretch, the only thing I did was
choosing the wifi of my box with gnome interface and entering the
password for it.

Hence I assume it is using DHCP.

I have no override configuration or anything complicated.

Basically, I just use Firefox with my laptop. Sometimes I code C or
PHP stuff or compile latex file but that's it.

I will take my laptop at work, tomorrow, and try to connect to the
wifi network there if you think it might help finding the cause.

Thanks, best regards,

   Laurent

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