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Ticket Resolution Summary Owner Reporter
#10463 obsolete Sound and other 16-bit DMA drivers should write -1 to length on completion TimeHorse
Description

Based on this forum post, the drivers using Direct Memory Addressing should write -1 (or 0xFFFF / 65535) to the length field of the buffer once the DMA transfer is complete. I know this was an issue with the version unspecified in the post and appears to be an issue in the current version from my observations. However, I've yet to investigate the code to verify it behaves as I describe (neglecting to set -1 to indicate completion). If it now does that, I apologize for wasting everyone's time as the current sound driver issue in DOC must have anther origin. If it doesn't, I would appreciate a hint as to where the DMA code lies to see if I can fix it myself.

Thanks.

Steps to reproduce:

  1. Install a DOS guest OS
  2. Install the Soundblaster driver and set the BLASTER variable to "A220 I5 D1 T6 H7 P330"
  3. Install USound.exe from the Ultima Underworld installation or other source.
  4. Run USound.exe; no sound card detected despite setting as specified above (0x220 Addr, IRQ 5 DMA 1, etc.)
#10464 obsolete Release Assertion (PATMAll.cpp:131 PATMRawLeave) amsb
Description

Virtual box halted upon completion of RHEL 5.6 installation, please see file attached. I have also tried guest OS RHEL 5.0 and virtual box 4.1.10 but getting same problem. Please help. Thanks.

#10468 obsolete Windows XP VirtualBox Crash atomicbreakout
Description

This keeps crashing I am running Windows XP in the VirtualBox.

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