Re: [DNG] broken PDF display

[Steve Litt]

On Mon, 26 Mar 2018 07:35:40 -0400
"Renaud (Ron) OLGIATI"  wrote:

> On Sat, 24 Mar 2018 10:09:02 +
> KatolaZ  wrote:
> 
> > Just to say: no problems over here with either zathura, xpdf, or
> > mupdf on ASCII. But my pdf files are not that fancy, TBH :)  
> 
> Here under Jessie, mupdf displays correctly, but xpdf does not.

I use mupdf as my daily driver. Only disadvantage is no way to print
directly from mupdf. For that, I often  use gv.

 
SteveT

Steve Litt 
April 2018 featured book: Troubleshooting Techniques
 of the Successful Technologist
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Re: [DNG] broken PDF display

[Kees Schoenmakers]

for me, in Jessie, xpdf performs perfectly.

On Mon, Mar 26, 2018 at 1:35 PM, Renaud (Ron) OLGIATI <
ren...@olgiati-in-paraguay.org> wrote:

> On Sat, 24 Mar 2018 10:09:02 +
> KatolaZ  wrote:
>
> > Just to say: no problems over here with either zathura, xpdf, or mupdf
> > on ASCII. But my pdf files are not that fancy, TBH :)
>
> Here under Jessie, mupdf displays correctly, but xpdf does not.
>
> Cheers,
>
> Ron.
> --
>  La révolution, c’est faire tout de suite avec coups,
> plaies, bosses et sang, ce qui de toute façon
>serait arrivé tout seul par la force des choses.
>   -- Henri Vincenot
>
>-- http://www.olgiati-in-paraguay.org --
>
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Re: [DNG] broken PDF display

[Renaud (Ron) OLGIATI]

On Sat, 24 Mar 2018 10:09:02 +
KatolaZ  wrote:

> Just to say: no problems over here with either zathura, xpdf, or mupdf
> on ASCII. But my pdf files are not that fancy, TBH :)

Here under Jessie, mupdf displays correctly, but xpdf does not.
 
Cheers,
 
Ron.
-- 
 La révolution, c’est faire tout de suite avec coups,
plaies, bosses et sang, ce qui de toute façon
   serait arrivé tout seul par la force des choses.
  -- Henri Vincenot

   -- http://www.olgiati-in-paraguay.org --
 
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Re: [DNG] broken PDF display

[KatolaZ]

On Sat, Mar 24, 2018 at 10:10:30AM +0100, Didier Kryn wrote:
> Le 23/03/2018 à 19:14, Haines Brown a écrit :
> >atril and xpdf
> >no longer displays the content of perhaps half my PDF files. They see
> >all the pages, but they are blank. An exception is that sometimes a
> >cover page, TOC, download notice at bottom of pages, or the graphics are
> >displayed, but not the text. This is consistent: a failure or success
> >repeats on subsequent tries.
> 
>     I noticed similar problems. I still have a machine running Jessie and
> Atril fails, not  to display, but to print parts of some files, eg
> flash-code of train tickets, which is embarassing. Evince does it properly.
> 
>     On ASCII it's the opposite, Atril seems to always display and print
> everything while Evince sometimes misses some parts, I couldn't remember
> exactly what the failures are since I'm happy with Atril which isn't Gnome.
> 
> Will try Mupdf, since it seems wise to have an alternative.
> 

Just to say: no problems over here with either zathura, xpdf, or mupdf
on ASCII. But my pdf files are not that fancy, TBH :)

My2Cents

KatolaZ

-- 
[ ~.,_  Enzo Nicosia aka KatolaZ - Devuan -- Freaknet Medialab  ]  
[ "+.  katolaz [at] freaknet.org --- katolaz [at] yahoo.it  ]
[   @)   http://kalos.mine.nu ---  Devuan GNU + Linux User  ]
[ @@)  http://maths.qmul.ac.uk/~vnicosia --  GPG: 0B5F062F  ] 
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Re: [DNG] broken PDF display

[Didier Kryn]

Le 23/03/2018 à 19:14, Haines Brown a écrit :

atril and xpdf
no longer displays the content of perhaps half my PDF files. They see
all the pages, but they are blank. An exception is that sometimes a
cover page, TOC, download notice at bottom of pages, or the graphics are
displayed, but not the text. This is consistent: a failure or success
repeats on subsequent tries.


    I noticed similar problems. I still have a machine running Jessie 
and Atril fails, not  to display, but to print parts of some files, eg 
flash-code of train tickets, which is embarassing. Evince does it properly.


    On ASCII it's the opposite, Atril seems to always display and print 
everything while Evince sometimes misses some parts, I couldn't remember 
exactly what the failures are since I'm happy with Atril which isn't Gnome.


Will try Mupdf, since it seems wise to have an alternative.

    Didier


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Re: [DNG] broken PDF display

[Haines Brown]

On Fri, Mar 23, 2018 at 06:55:46PM +, Adam Sampson wrote:
> Haines Brown  writes:
> 
> > Recently and not in association with any system changes, atril and xpdf
> > no longer displays the content of perhaps half my PDF files.
> 
> I'm seeing the same problem on plain Debian with xpdf and evince -- it's
> one of several problems that were introduced as part of security fixes
> in libpoppler46 0.26.5-2+deb8u2. ...+deb8u1 works OK, if you don't need
> the security fixes.
> 
> There are a couple of Debian bugs about this already:
> https://bugs.debian.org/886798
> https://bugs.debian.org/890826

Thank you. Mupdf displays the documents OK, and I'll probably rely on it
until the ASCII upgrade becomes stable. I gather its version of
libpoppler does not have the bug.

Haines
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Re: [DNG] broken PDF display

[Irrwahn]

Irrwahn wrote on 23.03.2018 20:04:
> Renaud (Ron) OLGIATI wrote on 23.03.2018 19:30:
>> On Fri, 23 Mar 2018 14:14:47 -0400
>> Haines Brown  wrote:
>>
>>> Recently and not in association with any system changes, atril and xpdf
>>> no longer displays the content of perhaps half my PDF files. They see
>>> all the pages, but they are blank. An exception is that sometimes a
>>> cover page, TOC, download notice at bottom of pages, or the graphics are
>>> displayed, but not the text. This is consistent: a failure or success
>>> repeats on subsequent tries.
> 
>  
> 
>> I have noticed the same behaviour in recent days, but while the .pdf files 
>> do not display properly in evince or pdfshuffler, they do in gv.
> 
> Hi Haines, hi Ron,
> 
> just a random shot in the dark, but since AFAICT atril and xpdf do not 
> share the same rendering engine (going solely by package dependencies, 
> I might well be wrong on that account), this could possibly be a font 
> caching problem. Maybe a forced rebuild of the font cache might help: 


Nevermind! Forget what I wrote - I mistakenly tested with ASCII instead of 
Jessie, sorry! 

Adam Sampson was spot on: On Jessie, downgrading libpoppler46 to 
0.26.5-2+deb8u1 
allows to get around the bug that is perfectly reproducible with ...+deb8u3.

Best regards
Urban

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Re: [DNG] broken PDF display

[Irrwahn]

Adam Sampson wrote on 23.03.2018 19:55:
> Haines Brown  writes:
> 
>> Recently and not in association with any system changes, atril and xpdf
>> no longer displays the content of perhaps half my PDF files.
> 
> I'm seeing the same problem on plain Debian with xpdf and evince -- it's
> one of several problems that were introduced as part of security fixes
> in libpoppler46 0.26.5-2+deb8u2. ...+deb8u1 works OK, if you don't need
> the security fixes.
> 
> There are a couple of Debian bugs about this already:
> https://bugs.debian.org/886798
> https://bugs.debian.org/890826

Hi Adam,

interesting! FWIW, on Devuan ASCII libpoppler64 0.48.0-2+deb9u2 works fine,
even with the test document provided in #890826.

Best regards
Urban

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Re: [DNG] broken PDF display

[Irrwahn]

Renaud (Ron) OLGIATI wrote on 23.03.2018 19:30:
> On Fri, 23 Mar 2018 14:14:47 -0400
> Haines Brown  wrote:
> 
>> Recently and not in association with any system changes, atril and xpdf
>> no longer displays the content of perhaps half my PDF files. They see
>> all the pages, but they are blank. An exception is that sometimes a
>> cover page, TOC, download notice at bottom of pages, or the graphics are
>> displayed, but not the text. This is consistent: a failure or success
>> repeats on subsequent tries.

 

> I have noticed the same behaviour in recent days, but while the .pdf files do 
> not display properly in evince or pdfshuffler, they do in gv.

Hi Haines, hi Ron,

just a random shot in the dark, but since AFAICT atril and xpdf do not 
share the same rendering engine (going solely by package dependencies, 
I might well be wrong on that account), this could possibly be a font 
caching problem. Maybe a forced rebuild of the font cache might help: 

  fc-cache -rf

FWIW, I can not reproduce any obvious rendering glitches here using any 
PDF software based on the usual libraries (cairo, pango, poppler, ...),
and I have a metric to of fonts installed on this here system. (While 
typing this I remembered years ago I had problems due to a broken font 
file, but that did not result in a _total_ loss of PDF font rendering 
capabilities across different tools.)

BTW mupdf would be yet another simple viewer for you to try, in case you 
haven't already.

HTH, best regards
Urban

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Re: [DNG] broken PDF display

[Adam Sampson]

Haines Brown  writes:

> Recently and not in association with any system changes, atril and xpdf
> no longer displays the content of perhaps half my PDF files.

I'm seeing the same problem on plain Debian with xpdf and evince -- it's
one of several problems that were introduced as part of security fixes
in libpoppler46 0.26.5-2+deb8u2. ...+deb8u1 works OK, if you don't need
the security fixes.

There are a couple of Debian bugs about this already:
https://bugs.debian.org/886798
https://bugs.debian.org/890826

Thanks,

-- 
Adam Sampson  
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Re: [DNG] broken PDF display

[Renaud (Ron) OLGIATI]

On Fri, 23 Mar 2018 14:14:47 -0400
Haines Brown  wrote:

> Recently and not in association with any system changes, atril and xpdf
> no longer displays the content of perhaps half my PDF files. They see
> all the pages, but they are blank. An exception is that sometimes a
> cover page, TOC, download notice at bottom of pages, or the graphics are
> displayed, but not the text. This is consistent: a failure or success
> repeats on subsequent tries.
> 
> This happens whether the PDF is version 1.4, 1.5, and 1.6.  It happens
> on my desktop machine whether using atril or xpdf. It does not happen if
> I copy a problematic PDF to USB key and display it with xpdf on a laptop
> that has the same version of Devuan Jessie, kernel and xpdf. However,
> that same file on key fails to be displayed by my desktop machine.
> 
> The desktop has auto-upgrades, but not the laptop. However both machines
> running Devuan Jessie with 3.16.0-4-amd64, The version of xpdf the same
> on both desktop and laptop. 
> 
> I've got 32 Gb RAM on this machine and no other PDFs are being
> displayed. I tried to reboot to clean things out, but that didn't help.
> 
> The xpdf Find utility can find words in the body of a text, but displays
> them only as black rectangle. So the problem seems to be the display of
> the font.
> $ xpdf -fg black Abrams1995.pdf
> error: "black" file not found
> Printing the PDF has same result as its display.

I have noticed the same behaviour in recent days, but while the .pdf files do 
not display properly in evince or pdfshuffler, they do in gv.

Cheers,
 
Ron.
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   make empty prophecies. The danger already exists that the mathematicians
   have made a covenant with the devil to darken the spirit and to confine 
   man in the bonds of Hell.  -- Augustine, bishop of Hippo

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