> So why does it say on my computer that you wrote this message December
> 31, 1969 in my Inbox? But, when I check the full headers:
>
> >From you: Tue 4 Jan 100 01:1:44:47 -0500 (EST)
> >From the list: Tue, 4 Jan 2000 20:50:51 -0800 (PST)
>
> Sounds like Y2K on your end.
It is probably Y2K, it's a 1996 Slackware installation... although I
still haven't noticed other problems.
Anyway, I bought "Linux Device Drivers" to help me track down the
problem. Also, I read on the RTAI site (if I understood it correctly)
that the RT scheduler was appended to the Linux timer interrupt
handler. If the same is done in RTL 0.9J, then this could be the
problem. Linux timer interrupt seems to be slow one, so interrupts
remain enabled and the control is passed to return_from_sys_call after
servicing it. That's why adding save_flags/restore flags to
r_save_flags/r_restore flags helps prevent the "Aiee" error. However,
I don't quite know what happens after a RT task is switched in,
followed by a jump to return_from_sys_call.
Any comments?
Thanks,
Aleks
PS. Excuse me for replying twice to your message.
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