[tor-relays] Tor not starting but log inconclusive

[Olaf Grimm]

Hello friends,

I see this problem for a long time, but only with some VPS providers 
from Eastern Europe, with others Tor starts without problems.

As there is a discussion here if maybe some system components are not 
ready in time, it could also depend on the virtualizer used.
Additionally, a slight improvement showed up when I upgraded from Debian 
10 to Debian 11 Testing.

That's just for information. It does not seem to be a problem of a 
single user.

Olaf
(some exit nodes)


Am 14.12.21 um 15:52 schrieb Gary C. New via tor-relays:
> Are you able to start Tor manually without systemd? Anytime I encounter Tor start issues, I attempt to manually start Tor without the --quiet option to verify whether it's a torrc issue or something else. You might consider increasing the Tor logging level, too. Your existing Tor log shows a DNS timeout error. As I do not operate an exit relay, I don't know whether the DNS timeout error would cause Tor not to start.
> Respectfully,
> 
> Gary—
> This Message Originated by the Sun.
> iBigBlue 63W Solar Array (~12 Hour Charge)
> + 2 x Charmast 26800mAh Power Banks
> = iPhone XS Max 512GB (~2 Weeks Charged)
> 
>      On Tuesday, December 14, 2021, 6:06:12 AM PST, yl <tor at yl.ms> wrote:
>   
>   Hello Roger,
> thanks for your helpful tip.
> 
> On 12/14/21 12:14 PM, Roger Dingledine wrote:
>> My first thought is that somehow during boot Tor fails to start. For
>> example, if at that point in the boot process there is no network,
>> maybe Tor aborts even before it gets to the point of writing anything
>> in its logs. We've definitely had bugs like that over the years.
> 
> this was the one really helpful tip.
> 
>>
>>> Any idea how to troubleshoot this and what to look for?
>> Tor will write to stdout before it switches over to writing to the
>> logs. So whatever init process is starting Tor can see that output. How
>> exactly to get at it... sounds like an adventure diving into how systemd
>> works.:)
> 
> And then the tip that it writes to stdout and might be some other output
> besides from unit "tor".
> 
> I see the problem now, and I think it is like you guessed the network is
> not ready at that time.
> 
> Thanks, will check further.
> 
> yl
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