On 2020-06-17 11:23, Michael Gmelin wrote:


On Wed, 17 Jun 2020 09:43:35 +0200
Per olof Ljungmark <p...@nethead.se> wrote:

On 2020-06-16 12:15, Michael Gmelin wrote:

On 16. Jun 2020, at 11:47, Per olof Ljungmark <p...@nethead.se>
wrote:

On 2020-06-15 16:14, Michael Gmelin wrote:
On Mon, 15 Jun 2020 12:03:17 +0200
Per olof Ljungmark <p...@nethead.se> wrote:
On 2020-06-15 09:50, Michael Gmelin wrote:

On 15. Jun 2020, at 09:45, Per olof Ljungmark <p...@nethead.se>
wrote:

What happens if you run the gs command on the pdf you’re
printing directly:

gs -q -dNOPAUSE -dBATCH -dSAFER -dNOMEDIAATTRS -sstdout=?
-sDEVICE=ps2write -dShowAcroForm -sOUTPUTFILE=?
-dLanguageLevel=2 -r300 -dCompressFonts=false -dNoT3CCITT
-dNOINTERPOLATE ? ? -f ?

A PDF is created.

And, according to logs gs is OK:

D [15/Jun/2020:09:16:23 +0200] [Job 1070] Wrote 1 pages...
D [15/Jun/2020:09:16:23 +0200] [Job 1070] PID 37126 (pstops)
exited with no errors.
D [15/Jun/2020:09:16:23 +0200] [Job 1070] PID 37125 (gs) exited
with no errors.
D [15/Jun/2020:09:16:23 +0200] [Job 1070] PID 37123
(/usr/local/libexec/cups/filter/pdftops) exited with no errors.
I [15/Jun/2020:09:16:23 +0200] [Job 1070] Backend returned status
-139 (crashed)
Are you printer(s) shown as okay in the cups web UI? (like, not
temporarily halted, stopped, etc.?). I sometimes had some issues
after upgrading, especially with hplip.
This upstream issue reported earlier this year sounds similar to
what you're seeing, maybe it helps:
https://github.com/apple/cups/issues/5765

The cups-pdf printer is paused with "Backend failed" but all other
printers are OK. HPLIP is not installed.

Can you enable the cups-pdf printer using the “cupsenable” command?
And if so, will it stay enabled or go back to paused/failed at the
next attempt?

It reverts to "Backend failed".

Just tried to add the cups-pdf printer to the 12-STABLE workstation
I'm writing this on with identical result so by now I see this on
three different boxes, all running 12-STABLE. Also, I am confident
that the problem surfaced after the updates to cups in late March.

If I have the time at some point I could try to revert to an older
version but it would be nicer to sort the problem.

Not sure how to proceed from here...


Could you share your relevant config files, so I can try to reproduce
the problem?


Here is something, printers.cgi is asking for
/usr/local/share/cups/templates/en/trailer.tmpl

but it does not exist, it lives in
/usr/local/share/cups/templates/

67543 printers.cgi RET   write 1
 67543 printers.cgi CALL  close(0x4)
 67543 printers.cgi RET   close 0
 67543 printers.cgi CALL  write(0x2,0x7fffffffd3b0,0x31)
 67543 printers.cgi GIO   fd 2 wrote 49 bytes
       "DEBUG2: cgiCopyTemplateLang(tmpl="trailer.tmpl")
       "
 67543 printers.cgi RET   write 49/0x31
 59594 cupsd    CALL  write(0x5,0x8016fe008,0x42)
 67543 printers.cgi CALL  write(0x2,0x7fffffffd3b0,0x2e)
 59594 cupsd    GIO   fd 5 wrote 66 bytes
       "D [17/Jun/2020:17:59:31 +0200] [Client 356] con->http=0x801739000
       "
 59594 cupsd    RET   write 66/0x42
 67543 printers.cgi GIO   fd 2 wrote 46 bytes
       "DEBUG2: lang="en_US.UTF8", locale="/en_US"...
       "
 67543 printers.cgi RET   write 46/0x2e
 59594 cupsd    CALL  write(0x5,0x8016fe008,0xc9)
 67543 printers.cgi CALL  open(0x7fffffffdac0,0<O_RDONLY>)
 59594 cupsd    GIO   fd 5 wrote 201 bytes
"D [17/Jun/2020:17:59:31 +0200] [Client 356] cupsdWriteClient error=0, used=0, state=HTTP_STATE_POST_SEND, data_encoding=HTTP_ENCODING_CHUNKED, data_remaining\
        =0, response=0x0(), pipe_pid=67543, file=14
       "
 59594 cupsd    RET   write 201/0xc9
67543 printers.cgi NAMI "/usr/local/share/cups/templates/en_US/trailer.tmpl"
 59594 cupsd    CALL  kevent(0x3,0x7fffffffe280,0x1,0,0,0x7fffffffe270)
59594 cupsd STRU struct kevent[] = { { ident=14, filter=EVFILT_READ, flags=0x1<EV_ADD>, fflags=0, data=0, udata=0x8017ff280 } }
 59594 cupsd    STRU  struct kevent[] = {  }
 59594 cupsd    RET   kevent 0
 67543 printers.cgi RET   open -1 errno 2 No such file or directory
 59594 cupsd    CALL  write(0x5,0x8016fe008,0x42)
 67543 printers.cgi CALL  open(0x7fffffffdac0,0<O_RDONLY>)
 59594 cupsd    GIO   fd 5 wrote 66 bytes
       "D [17/Jun/2020:17:59:31 +0200] [Client 356] Waiting for CGI data.
       "
 67543 printers.cgi NAMI  "/usr/local/share/cups/templates/en/trailer.tmpl"
 59594 cupsd    RET   write 66/0x42
 59594 cupsd    CALL  read(0xe,0x803f6da8c,0x800)
 59594 cupsd    GIO   fd 14 read 1033 bytes
       "&nbsp;<BR>
        <EM>"Backend failed"</EM></TD>
        <TD>





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