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Re: [tor-relays] Tor not starting but log inconclusive



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@xxxxx> 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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