bochs-emu

Issues somebody may already be working on are listed last. List everything by date

• rombios: CMD needs to be a WORD

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  Difficulty 1/5 Under an hour Newbie friendliness 88/100

  bochs-emu/Bochs#991 · Opened Nov 8, 2026

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• [feature] [discuss] A compact instruction trace of the whole machine (.x86 files, about 500 : 1 against plain records)

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  bochs-emu/Bochs#990 · 1 comment · Opened Nov 7, 2026

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• svm: an intercepted fault saves RFLAGS.RF as it was

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  Difficulty 4/5 1-2 days Newbie friendliness 48/100

  bochs-emu/Bochs#989 · 1 comment · Opened Nov 7, 2026

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• fpu: FCOMI / FCOMIP / FUCOMI / FUCOMIP leave C1 unchanged

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  Difficulty 2/5 1-3 hours Newbie friendliness 48/100

  bochs-emu/Bochs#987 · Opened Nov 7, 2026

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• [saved state] [data corruption] A save on a full disk reports success: several write errors are still ignored

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  bochs-emu/Bochs#986 · Opened Nov 7, 2026

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• [saved state] A restore silently skips a missing data file, so the device keeps its power-on contents

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  Difficulty 2/5 1-3 hours Newbie friendliness 74/100

  bochs-emu/Bochs#985 · Opened Nov 7, 2026

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• [Windows 2000] rombios: PCI BIOS B10Eh reads the route buffer's pointer from offset 2

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  Difficulty 2/5 1-3 hours Newbie friendliness 72/100

  bochs-emu/Bochs#982 · Opened Nov 7, 2026

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• svga_cirrus: split a wide I/O access into byte cycles instead of panicking

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  Difficulty 3/5 1-2 days Newbie friendliness 65/100

  bochs-emu/Bochs#981 · Opened Nov 7, 2026

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• sb16: request the last byte of a DMA transfer

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  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  bochs-emu/Bochs#978 · Opened Nov 7, 2026

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• cpu: set the target CS accessed bit as soon as CS's own checks pass

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  bochs-emu/Bochs#977 · 1 comment · Opened Nov 7, 2026

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• sse: a misaligned FXSAVE raises its alignment fault first (#AC or #GP)

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  bochs-emu/Bochs#976 · 2 comments · Opened Nov 7, 2026

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• cpu: refetch a page-crossing instruction when the CPL moves to or from 3

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  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  bochs-emu/Bochs#975 · 1 comment · Opened Nov 7, 2026

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• vgacore: writing the DAC read index (3C7h) also sets the write index

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  Difficulty 2/5 1-3 hours Newbie friendliness 55/100

  bochs-emu/Bochs#974 · Opened Nov 7, 2026

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• devices: split a word / dword I/O access to a byte-only device into bytes

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  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  bochs-emu/Bochs#973 · 1 comment · Opened Nov 7, 2026

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• svm: #VMEXIT saves a real-mode guest's CS as a code segment

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  Difficulty 4/5 1-2 days Newbie friendliness 48/100

  bochs-emu/Bochs#972 · 2 comments · Opened Nov 7, 2026

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• svm: LLDT with a null selector clears LDTR's base and limit

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  Difficulty 3/5 1-2 days Newbie friendliness 48/100

  bochs-emu/Bochs#971 · Opened Nov 7, 2026

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• svm: an injected software event is delivered with EXT clear

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  Difficulty 3/5 1-2 days Newbie friendliness 51/100

  bochs-emu/Bochs#970 · Opened Nov 7, 2026

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• pit82c54: mode 3 with an odd count is low for (N-1)/2 clocks

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  Difficulty 2/5 1-3 hours Newbie friendliness 35/100

  bochs-emu/Bochs#968 · Opened Nov 7, 2026

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• pit82c54: mode 2 with BCD count 0 has a period of 10000 clocks

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  Difficulty 2/5 1-3 hours Newbie friendliness 68/100

  bochs-emu/Bochs#967 · Opened Nov 7, 2026

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• pit82c54: mode 3 with count 0 runs at the 65536-clock period, not twice it

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  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  bochs-emu/Bochs#965 · Opened Nov 7, 2026

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• [saved state] [data corruption] paramtree: signed shadow parameters keep their sign bit

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  Difficulty 3/5 1-2 days Newbie friendliness 77/100

  bochs-emu/Bochs#964 · Opened Nov 7, 2026

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• [IDE] [Data corruption] harddrv: save the LBA48 flag and the drive's stale state

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  bochs-emu/Bochs#963 · Opened Nov 7, 2026

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• [GeForce][NV15] Very stuttering or low FPS in Quake III Arena

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  Difficulty 4/5 3-5 days Newbie friendliness 42/100

  bochs-emu/Bochs#960 · 3 comments · Opened Nov 7, 2026

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• [Geforce][NV15][NV20] Render problems using Paul's projects demos

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  bochs-emu/Bochs#937 · 18 comments · 3 reactions · Opened Oct 25, 2026

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• HDIMAGE audit

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  bochs-emu/Bochs#925 · 2 comments · Opened Oct 17, 2026

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• [Geforce][NV15] Quake 3 demo render problems

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  Difficulty 4/5 3-5 days Newbie friendliness 22/100

  bochs-emu/Bochs#913 · 2 comments · 1 reaction · Opened Oct 8, 2026

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• Ability to toggle between performance and debugger mode

  May be free again @vruppert claimed this 33 days ago, and no pull request is open. Open

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  enhancement request

  bochs-emu/Bochs#910 · 19 comments · 1 assignee · Opened Oct 5, 2026

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• [CPU] AMD models: a non-canonical offset that the FS/GS base wraps to a canonical address does not #GP

  May be free again @stlintel claimed this 37 days ago, and no pull request is open. Open

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  bochs-emu/Bochs#898 · 3 comments · 1 assignee · Opened Sep 30, 2026

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• [CPU] SVM: a real-mode CS is saved in the VMCB with data attributes

  May be free again @stlintel claimed this 37 days ago, and no pull request is open. Open

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  bochs-emu/Bochs#894 · 1 comment · 1 assignee · Opened Sep 30, 2026

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• [SOUND_DEVICES] Emulation with choppy/crackly sound

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  Difficulty 4/5 3-5 days Newbie friendliness 20/100

  bochs-emu/Bochs#876 · 62 comments · Opened Sep 19, 2026

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• [Feature Request] Support for Nvidia RIVA 128 and TNT emulation

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  Difficulty 5/5 Over a week Newbie friendliness 5/100

  bochs-emu/Bochs#854 · 6 comments · Opened Aug 29, 2026

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• Dlx linux boot speed regression in Bochs 3.1

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  Difficulty 4/5 3-5 days Newbie friendliness 30/100

  bochs-emu/Bochs#833 · 10 comments · 1 reaction · Opened Aug 23, 2026

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• ACPI breaks without BX_SUPPORT_APIC when plugins are enabled

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  Difficulty 3/5 1-2 days Newbie friendliness 38/100

  bochs-emu/Bochs#830 · 13 comments · Opened Aug 21, 2026

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• Android x86 5.x before 5.1 rc1 takes forever to boot on Bochs

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  Difficulty 4/5 Over a week Newbie friendliness 15/100

  bochs-emu/Bochs#799 · Opened Jul 16, 2026

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• (BUG) Windows 10 BSOD used in i440BX if using Bochs BIOS

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  Difficulty 4/5 3-5 days Newbie friendliness 12/100

  bochs-emu/Bochs#793 · 6 comments · Opened Jul 14, 2026

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• geforce.cc fail to build on gcc 4.2 (Leopard ppc32), other errors

  May be free again @vruppert claimed this 161 days ago, and no pull request is open. Open

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  bochs-emu/Bochs#765 · 14 comments · 1 assignee · Opened May 30, 2026

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• Newer GeForce support or elsewhere

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  enhancement request

  Difficulty 5/5 Over a week Newbie friendliness 28/100

  bochs-emu/Bochs#720 · 14 comments · Opened Jan 17, 2026

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• Broken screen output when trying to boot Manjaro Linux distro 26

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  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  bochs-emu/Bochs#709 · 11 comments · Opened Jan 10, 2026

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• Mixed output with Voodoo 3

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  Difficulty 4/5 3-5 days Newbie friendliness 30/100

  bochs-emu/Bochs#707 · Opened Jan 2, 2026

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• DLL Core?

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  Difficulty 5/5 Over a week Newbie friendliness 20/100

  bochs-emu/Bochs#698 · 3 comments · Opened Dec 23, 2025

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• Doom 3 menu doesn't render properly on NV20

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  Difficulty 4/5 3-5 days Newbie friendliness 20/100

  bochs-emu/Bochs#694 · 9 comments · 1 reaction · Opened Dec 14, 2025

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• Fix Windows 2000, XP, Vista and Windows 7 Clock Drift (ACPI) even with clock=realtime on Bochs.

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  bochs-emu/Bochs#690 · 2 comments · Opened Dec 7, 2025

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• Quake 3 Arena menu and cd key screen don't render on GeForce 3

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  Difficulty 4/5 3-5 days Newbie friendliness 30/100

  bochs-emu/Bochs#681 · 5 comments · 1 reaction · Opened Nov 30, 2025

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• Geforce 3 emulation crashes Bochs when latest beta drivers are installed on Windows XP SP3.

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  Difficulty 4/5 3-5 days Newbie friendliness 30/100

  bochs-emu/Bochs#680 · 6 comments · Opened Nov 28, 2025

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• Kororaa XGL demo does not boot without acpi=off

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  not a bug

  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  bochs-emu/Bochs#671 · 3 comments · Opened Nov 18, 2025

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• Jas OS (Hackintosh) can't find its own cdrom ?

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  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  bochs-emu/Bochs#665 · 12 comments · Opened Nov 14, 2025

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• fifo: unexpected word 0xffffffff panic with GeForce 3

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  bochs-emu/Bochs#650 · Opened Oct 20, 2025

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• [GEFORC] >>PANIC<< Channel id >= 32

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  Difficulty 4/5 3-5 days Newbie friendliness 28/100

  bochs-emu/Bochs#620 · 6 comments · 1 reaction · Opened Sep 29, 2025

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• Partial image from CPU transfers with GeForce

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  bochs-emu/Bochs#586 · 2 comments · Opened Aug 15, 2025

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• USB mouse and keyboard problems in Windows 98

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  bochs-emu/Bochs#553 · 6 comments · Opened May 26, 2025

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