Issues

• Issue getting ICSF to work on z/OS 3.2 under Hercules 4.10

  MissingOngoing
  SDL-Hercules-390/hyperion#890 · Filter by author Brian-Westerman opened on Oct 10, 2026
  14

  

• program_interrupt() delivers to sysblk.regs[cpuad], not the REGS passed in - silent trap for detached REGS copies

  SDL-Hercules-390/hyperion#866 · Filter by author brazilofmux opened on Aug 23, 2026

• Intermittent crash possibly related to TCPIP start/restart

  SDL-Hercules-390/hyperion#865 · Filter by author w-jensen opened on Aug 20, 2026
  7

• Manually enabling FACs. when use zOS 3.1

  QUESTION...Researching...
  SDL-Hercules-390/hyperion#861 · Filter by author markosilva opened on Jul 22, 2026
  4

  

• A Couple of minor DASD related changes

  SDL-Hercules-390/hyperion#860 · Filter by author SE20225 opened on Jul 19, 2026
  1

• Improve --NoUI mode when running on non-Widows platforms

  BUGIN PROGRESS...
  SDL-Hercules-390/hyperion#849 · Filter by author agadsby opened on Jun 2, 2026
  4

  

• Empty configuration file yields warnings in startup messages

  BUGEnhancementOngoingTXF
  SDL-Hercules-390/hyperion#845 · Filter by author PoC-dev opened on May 23, 2026
  7

• Inconsistent console display background on black-on-white terminal emulators

  BUGHELP!L
  SDL-Hercules-390/hyperion#844 · Filter by author PoC-dev opened on May 21, 2026
  11

• Subtle ABI mismatch in bundled SoftFloat library

  OngoingResearching...
  SDL-Hercules-390/hyperion#833 · Filter by author gottfriedleibniz opened on Apr 18, 2026
  8

  

• Question about TLB lookup logic

  DiscussionEnhancementOngoingResearching...
  SDL-Hercules-390/hyperion#828 · Filter by author Pierre-Laumeau opened on Apr 10, 2026
  10

  

• Ubuntu 24.04 glibc Fortification at runtime problem.

  SDL-Hercules-390/hyperion#823 · Filter by author videoman opened on Apr 2, 2026
  5

  

• IPO/LTO inter-procedural-optimization/link-time-optimization option missing

  AEnhancementL
  SDL-Hercules-390/hyperion#822 · Filter by author c2r68fs65 opened on Apr 2, 2026
  4

  

• ARCHLVL cpu reset leading to interrupt handling race

  BUGOngoing
  SDL-Hercules-390/hyperion#806 · Filter by author gottfriedleibniz opened on Mar 2, 2026
  18

  

• Additions for 370 Extensions Facility (Y instructions)

  EnhancementQUESTION...
  SDL-Hercules-390/hyperion#799 · Filter by author procegrog-cyber opened on Jan 12, 2026
  26

  

• Documenting Hercules messages: thoughts on best way to approach this endeavor

  DiscussionDOC BUGEnhancement
  SDL-Hercules-390/hyperion#785 · Filter by author Fish-Git opened on Nov 19, 2025
  

• QETH networking with utun devices on macOS

  AEnhancementHELP!Related
  SDL-Hercules-390/hyperion#736 · Filter by author iblowmymind opened on Apr 6, 2025
  24

• async 'sf' cmd can trip lock bug in dasd caching causing CRASH

  BUGOngoing
  SDL-Hercules-390/hyperion#618 · Filter by author Fish-Git opened on Feb 6, 2024
  

• Add LPAR name as prefix of thread names

  Enhancement
  SDL-Hercules-390/hyperion#577 · Filter by author swhobbit opened on Jun 25, 2023
  23

• Publish tags for submodules corresponding to Hercules releases

  Enhancement
  SDL-Hercules-390/hyperion#530 · Filter by author matoro opened on Dec 1, 2022
  4

• PFPO is never setting the CC (and is never setting GR1 either)

  BUGHELP!Ongoing
  SDL-Hercules-390/hyperion#527 · Filter by author Fish-Git opened on Nov 29, 2022
  7

• Selective branch tracing enhancement

  Enhancement
  SDL-Hercules-390/hyperion#503 · Filter by author Fish-Git opened on Sep 18, 2022
  1

• Hercules lack of Linux "suspend/resume" support (i.e. Ctrl+z, fg, etc) causes problems with e.g. tmux

  EnhancementHELP!L
  SDL-Hercules-390/hyperion#487 · Filter by author wyan opened on Apr 30, 2022
  32

• OSA VIPA feature incompatible with multiple OSA device emulation.

  BUGDiscussionQUESTION...Researching...
  SDL-Hercules-390/hyperion#485 · Filter by author bw-gh opened on Apr 7, 2022
  8

• Configuration-z/Architecture-Architecture-Mode and ESA/390-Compatibility-Mode Facilities

  DiscussionEnhancementRelated
  SDL-Hercules-390/hyperion#336 · Filter by author s390guy opened on Nov 29, 2020
  2

  

• Likely incorrect Hercules breaking/stepping handling/support?

  BUGDiscussionEnhancementRelated
  SDL-Hercules-390/hyperion#322 · Filter by author Fish-Git opened on Sep 9, 2020
  14