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Category Archives: Debugging
Solaris 7 Boot Panic
On some systems, it has been observed that Solaris 7 panics during boot from installation media and reboots the system. At least Solaris 7 U1 (3/99) and U4 (11/99) are affected. Only “fast” systems (definitely including Sandy Bridge 3+ GHz … Continue reading
Posted in Bugs, Debugging, Solaris
6 Comments
Periscope Manuals
Some time ago I recovered a latter-day Periscope manual from storage. Since some readers might find it useful, I decided to scan the manual and convert it to PDF. It covers the basic Periscope debugger, variants and add-ons (remote Periscope, … Continue reading
Posted in Debugging, Documentation
7 Comments
Solaris 2.6, 7, and 8 Crashes on Pentium 4 and Later
A blog reader recently pointed to an interesting problem which affects older Solaris releases on certain systems. The symptoms (crash/reboot) may at first glance look like the previously described problem which affected Solaris 2.5.1 and 2.6, but both the cause and … Continue reading
Posted in Bugs, Debugging, Intel, Solaris
2 Comments
OS/2 Kernel Debugger and MVDM Interrupts
While working on an unrelated problem, I noticed a strange behavior of one of my OS/2 VMs running OS/2 Warp 4.52. To cut a long story short, if an unhandled floating-point exception occurred in a DOS window (VDM, or Virtual … Continue reading
Posted in Bugs, Debugging, OS/2
12 Comments
Have You Ever Used One of These?
Still on the theme of unusual hardware… in my junk pile there’s one of these rather special little parts: As the label on the PCB says, this is a 486 pod for a Periscope IV debugger. The Periscope Company of … Continue reading
Posted in Debugging, PC hardware
35 Comments