Re: PL2303 and strange errors

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Hi Greg,

thank you for your reply.

On 03/08/11 20:31, Greg KH wrote:
> On Tue, Mar 08, 2011 at 08:14:20PM +0100, Zdenek Styblik wrote:
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>> Dear list users,
>>
>> I've been experiencing very strange errors for the last week with
>> usbserial/PL2303 driver. Everything used to magically work until a week ago.
> 
> What changed a week ago?
> 

Kernel and weather. There is 1wire thermometer connected to PL2303.

No system updates have been made except kernel. I'm also keeping
with 2.6.32 line, so that's why I've tried different versions.

[...]
>> I've tested kernels 2.6.32.25, 2.6.32.28 and 2.6.32.31 and it does
>> happen in all of them.
> 
> Can you try 2.6.37.3?

That is kind of answer I didn't want to hear :| But yes, I can try it.

Just to shoot more questions/to be sure:
* Are you sure it's not just a hardware problem eg. a loose wire/cold joint?
* Just a mis-configured kernel?
* Badly written software, although I've succeeded to get this from two
different apps(digitemp and owfs)

This site is ~ 100km away and yeah, I do blame it on "hardware"(I have
"full" trust in Linux kernel and my distro).
On the other hand, I had bad experience with serial communication under
64bit Slackware64 before.
I've actually posted it as rather interesting error which might happen
under very specific circumstances.
I would be lying though how "glad" I would be if it was just a kernel
issue. Better than disintegrating everything at the site etc. This sure
did put fly into my ointment :(

Thanks again,
Z.

- -- 
Zdenek Styblik
Net/Linux admin
OS TurnovFree.net
email: stybla@xxxxxxxxxxxxxx
jabber: stybla@xxxxxxxxxxxxxxxxxxxxx
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