Instant reboot on new interface coming up
Giorgos Keramidas
keramida at ceid.upatras.gr
Thu Nov 10 00:18:22 PST 2005
On 2005-11-09 13:20, Eric Anderson <anderson at centtech.com> wrote:
> I've been having issues lately when trying to bring up a new interface.
> It's a hard problem to actually see, because it makes my machine
> instantly reboot.
>
> Here's what I see:
> Normally, I use ath0 for wireless, and occasionally I use em0.
> Recently, when I was at a location with no wireless and no dhcp support,
> I powered up my laptop, plugged in to em0, and did an ifconfig em0 xxx.
> After a few seconds, the system spontaneously reboots. I figured
> out that killing dhclient on that interface before attempting to
> manually configure it helped.
>
> Now, I also tried to connect using ppp to a GPRS network (via bluetooth
> through my cell phone). This used to work just fine, probably a few
> months ago. This time, I killed all dhclients, connected the bluetooth
> pieces, and then ran rfcomm_pppd, which creates a tun0 interface. When
> the interface was created, and brought up without dhclient, everything
> worked ok. When I accidentally left dhclient running, and tun0 was
> created, when the device got it's IP address, machine rebooted.
>
> I have various machine logs/dmesg/etc here:
> http://www.googlebit.com/freebsd/
> (labeled by date - look for the most current versions)
>
> I'm running 7.0-CURRENT as of a few days ago.
How many days? You need at least a version that includes the following
commit, otherwise you may have problems with ACPI or mbuf allocation:
% glebius 2005-11-06 16:47:59 UTC
%
% FreeBSD src repository
%
% Modified files:
% sys/kern kern_mbuf.c
% Log:
% Fix panic string in last revision.
%
% Revision Changes Path
% 1.15 +1 -1 src/sys/kern/kern_mbuf.c
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