[Linux-HA] Heartbeat 1.2.0 random segfaults on node restart
alanr at unix.sh
Thu Mar 25 09:31:42 MST 2004
Umberto Nicoletti wrote:
> Hi Alan,
> thanks for the prompt reply and sorry for cross-posting with Mike, but I
> thought that maybe the two issues were related, since they both dealt
> with tty errors and I hoped that it was only a problem with version
> 1.2.0, something that can be quickly fixed with a downgrade.
No one else has reported this problem before...
>>Is it possible you have other processes trying to use these lines for
> I checked that already and I am sure heartbeat is the only process
> accessing the serial line:
> what I did to check this was:
> robin:/var/log # fuser -v /dev/ttyS0
> USER PID ACCESS COMMAND
> /dev/ttyS0 root 736 f.... heartbeat
> root 839 f.... heartbeat
> root 840 f.... heartbeat
> root 841 f.... heartbeat
> root 842 f.... heartbeat
> root 843 f.... heartbeat
> checked that no gpm or getty was running.
> I tried to cat /dev/ttyS0 for some time, but the only output I got was
> related to hertbeat.
This is a perfect example of interfering with heartbeat ;-). If you read
these characters, then heartbeat can't.
> It should not be cable problem , as the cluster ran heartbeat 0.4.9 for
> almost a month and never had problems.
Your problem is definitely not cables. It's a bug. But, I'm afraid I'll
need a core file to diagnose this... The hbread processes are very
Alan Robertson <alanr at unix.sh>
"Openness is the foundation and preservative of friendship... Let me claim
from you at all times your undisguised opinions." - William Wilberforce
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