[Wien] System Error....Couldn't write to/.

[Gavin Abo]

On an older, slower computer system, I was able to reproduce the error 
displayed in w2web as:

*System Error*

Couldn't write to /.

_back to last page_

To produce the error, what I did in w2web was 1) I clicked the "view 
case.outputd and cp case.in0_std case.in0" button, 2) paused about 5 
seconds, and 3) clicked the "Save and initlapw" button.

The file size of the case.outputd is 43.6 MB.  I suspect the error 
results because my computer is slow in opening the case.outputd file 
where I clicked on the save button before the file got opened up.

When I clicked "view case.klist" followed by clicking as fast as 
possible "Save and initlapw", I do not encounter the same error. The 
file size of case.klist, however, is only 101 bytes.

I also 1) clicked the "view case.outputd and cp case.in0_std case.in0" 
button, 2) paused about 1 minute, and 3) clicked the "Save and initlapw" 
button.  When doing that, the error did not occur.

I put the 43.6 MB case.outputd on a new faster computer system clicking 
the "Save and initlapw" button immediately after having clicked the 
"view case.outputd and cp case.in0_std case.in0" button and the error do 
not appear.

 From that, it seems to be a computer system resource limitation that is 
causing the error.

Kind Regards,

Gavin
WIEN2k user

On 7/14/2023 4:59 AM, karina Khan wrote:
> Ok I will keep this thing in my mind for future
> This command works well with different systems like Cs2AgInBr6, BP but 
> not with system having molecular formula C24H72N8In2Br14 and C16H20O7
>
> On Thu, 13 Jul, 2023, 8:34 PM Peter Blaha, <peter.blaha at tuwien.ac.at> 
> wrote:
>
>     I cannot reproduce this. It works perfectly fine with me.
>
>     Please try again in another case. Or use the recommended fast
>     mode. This will set automatically good parameters in case.in0/1/2
>     and klist, and not the "stupid" defaults of the step by step
>     initialization.
>
>     PS: You cannot send large images to the mailing list. There is a
>     limit of 40 kB per message.
>
>
>     Am 13.07.2023 um 11:48 schrieb karina Khan:
>>     Dear Wien2k users,
>>                            During initialisation, I stuck up in the
>>     step *view case.outpd and cp case.in0_std case.in0, *when I click
>>     on the step save and initlapw, I get a *System Error couldn't
>>     write to/. * back to last page.
>>     However this step is working for the other sample but not for
>>     this new sample having 32 atoms.
>>     Looking for your suggestions
>>     *Thanks & Regards*
>>     *Karina Khan*
>>
>>
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>
>     -- 
>     -----------------------------------------------------------------------
>     Peter Blaha,  Inst. f. Materials Chemistry, TU Vienna, A-1060 Vienna
>     Phone: +43-158801165300
>     Email:peter.blaha at tuwien.ac.at           
>     WWW:http://www.imc.tuwien.ac.at       WIEN2k:http://www.wien2k.at
>     -------------------------------------------------------------------------
>
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