CUPS may be unable to print some PDF documents on Red Hat Enterprise Linux 5

Issue

• Some PDF 1.6 files may not print. Turning on debug logging in CUPS, as described in How to enable and capture CUPS debugging logs shows the following messages in /var/log/cups/error_log:

  D [10/Dec/2012:15:43:47 -0600] [Job 57] Error: /ioerror in --image--
  D [10/Dec/2012:15:43:47 -0600] [Job 57] Operand stack:
  D [10/Dec/2012:15:43:47 -0600] [Job 57] 
  D [10/Dec/2012:15:43:47 -0600] [Job 57] Execution stack:
  D [10/Dec/2012:15:43:47 -0600] [Job 57] %interp_exit   .runexec2   --nostringval--   --nostringval--   --nostringval--   2   %stopped_push   --nostringval--   --nostringval--   --nostringval--   false   1   %stopped_push   1846   1   3   %oparray_pop   1845   1   3   %oparray_pop   1829   1   3   %oparray_pop   1723   1   3   %oparray_pop   --nostringval--   %errorexec_pop   .runexec2   --nostringval--   --nostringval--   --nostringval--   2   %stopped_push   --nostringval--   --nostringval--   1750   1   7   %oparray_pop
  D [10/Dec/2012:15:43:47 -0600] [Job 57] Dictionary stack:
  D [10/Dec/2012:15:43:47 -0600] [Job 57] --dict:1160/1684(ro)(G)--   --dict:0/20(G)--   --dict:77/200(L)--   --dict:64/75(L)--   --dict:18/25(L)--   --dict:10/15(L)--   --dict:0/15(L)--
  D [10/Dec/2012:15:43:47 -0600] [Job 57] Current allocation mode is local
  D [10/Dec/2012:15:43:47 -0600] [Job 57] Last OS error: 2
  D [10/Dec/2012:15:43:47 -0600] [Job 57] GPL Ghostscript 8.70: Unrecoverable error, exit code 1
  

• After updating CUPS, along with other RPMs, customer reported that their application is not able to print PDF files. The following messages were observed in /var/log/cups/error_log:

  D [20/Dec/2012:15:05:28 -0800] [Job 79296] lpd_command returning 0
  I [20/Dec/2012:15:05:28 -0800] [Job 79296] Sending data file (0 bytes)
  d [20/Dec/2012:15:05:28 -0800] cupsdDoSelect: polling 5 fds for 1 seconds...
  d [20/Dec/2012:15:05:28 -0800] cupsdDoSelect: epoll() returned 1...
  d [20/Dec/2012:15:05:28 -0800] cupsdDoSelect: Read on fd 14...
  E [20/Dec/2012:15:05:28 -0800] [Job 79296] Remote host did not accept data file (1)