[Bluez-devel] What does error 110 actually mean? What is it caused by?

[Bluez-devel] What does error 110 actually mean? What is it caused by?

[Pierre-Yves Paulus]

Hello,

I keep getting this error in hcid output now and then, and for various 
calls:

(hcid stderr) hcid[32196]: connect(): Connection timed out (110)

 From my limited understanding, this error happens when a hci call to 
the dongle times out. Is it right?

I observed that on some computers, this error happens very often when 
kernel module ehci_hcd is loaded. It is generally coming up less often 
when it is not loaded.

Also, I failed to find any way to have any influence on those errors. I 
start getting them suddenly, and also suddenly, I stop getting them. I 
can have none for hours, and then suddenly lots of them for 5 minutes, 
and afterwards everything works properly again. I can also get one or 
two every few minutes. Really, I can't find a pattern for their appearence.

So what's happening there? Any feedback on this issue would be really 
appreciated.

Best Reagrds,
Pierre-Yves


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Re: [Bluez-devel] What does error 110 actually mean? What is it caused by?

[Marcel Holtmann]

Hi Pierre-Yves,

> I keep getting this error in hcid output now and then, and for various 
> calls:
> 
> (hcid stderr) hcid[32196]: connect(): Connection timed out (110)
> 
>  From my limited understanding, this error happens when a hci call to 
> the dongle times out. Is it right?
> 
> I observed that on some computers, this error happens very often when 
> kernel module ehci_hcd is loaded. It is generally coming up less often 
> when it is not loaded.
> 
> Also, I failed to find any way to have any influence on those errors. I 
> start getting them suddenly, and also suddenly, I stop getting them. I 
> can have none for hours, and then suddenly lots of them for 5 minutes, 
> and afterwards everything works properly again. I can also get one or 
> two every few minutes. Really, I can't find a pattern for their appearence.
> 
> So what's happening there? Any feedback on this issue would be really 
> appreciated.

no idea. Are you running a 2.6.22 kernel and bluez-utils-3.14? If not,
please re-test and try to figure out which part of the code is causing
them. Look through the code for "connect()".

Regards

Marcel



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