>The panic occurs at 'swtch_com+0x6e: ltr %si'. At the time, %si is >0x20, which indexes to what appears to be a busy tss (type=01011b) >with a limit of 0x67. That instruction generates a general protection >fault with an error code of 0. The current process was Idle. >... >Perhaps someone could reproduce this and double check me? Same here. I think it is missing at least enlargement of the limit of 0x67. >Also ... I think I could analyze this better if I could break into the >debugger and set a break point *before* the panic, and start tracing >at the i386_set_ioperm() routine and follow what happens from there. >Is there a function call that I can insert at the appropriate place to >force dropping into the kernel debugger? Just set a breakpoint: Ctrl-SysReq enter ddb b i386_set_ioperm set breakpoint c leave ddb Bruce To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message