Subject: Re: APM bugs!
To: Alicia da Conceicao <firstname.lastname@example.org>
From: Andrew Brown <email@example.com>
Date: 12/22/1997 00:02:23
>There seems to be some serious problems with (Advanced Power Management)
>APM included in NetBSD 1.3. Basically, after a computer wakes up from
>sleep mode, any attempts to use the PCMCIA ethernet or PPP from a PCMCIA
>modem card will cause the OS to completely crash. (It freezes up
>completely, interrupts and all, and must be rebooted.) Anyways a simple
>"ifconfig ep0 down" prior to sleep, and "ifconfig ep0 up" after sleep
>added to the APM will allow one to use the PCMCIA ethernet after sleep
>mode without any troubles. However, I can't seem to find any way to use
>PPP on the modem card after sleep mode without crashing the OS. Does
>anyone have any ideas? (BTW, "ifconfig ppp0 down" will not prevent a
>crash after sleep mode.) Perhaps there is some way to shut down the
>modem's TTY, or the PCMCIA card prior to sleeping?
the problem is not with ppp0, but with tty00. simple (interim) fix:
pull the card out after "waking up", and then pop it back in. under
freebsd, if i "go to sleep" without downing my network interface, the
same thing happens. pulling card and popping it back in works fine
>PS. I am running NetBSD 1.3 on a Digital HiNote Ultra II laptop, with
> a 3Com 3C589D ethernet & a IBM 28.8Kbps International Data/Fax
> Modem PCMCIA cards.
just about the same as me, but i'm using a usr 33.6 card. :)
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