kernel hang when reboot with loaded ip_vs_rr.ko
maciej at suszko.eu
Sun May 10 12:16:21 UTC 2009
"Sam Wan" <sam at ip6.com.au> wrote:
> Unfortunately, after started ip_vs_rr with this script, reboot still
> failed, but interestingly, system shutdown is running fine with these
> moduels loaded.
> > Sam Wun <swun2010 at gmail.com> wrote:
> >> It is IPVS patch, for FreeBSD.
> >> I am in Melbourne Australia.
> >> Can you send me email regarding about how to fix this issue?
> >> BTW, if I kldunload ip_vs_rr before reboot/shutdown, the system
> >> will execute the reboot / shutdown normally.
> >> When I executed reboot/shutdown with the ip_vs_rr still loaded in
> >> the kernel, the system hangs after the console printed the message
> >> "...vnode...."
> >> Here are the modules loaded:
> >> # kldstat
> >> Id Refs Address Size Name
> >> 1 5 0xc0400000 a434d8 kernel
> >> 2 1 0xc0e44000 6a45c acpi.ko
> >> 3 1 0xc469d000 2000 ip_vs_rr.ko
> >> 4 1 0xc469f000 b000 ipvs.ko
> >> # shutdown -h now
> >> .....
> >> Syncing disks, vnodes remaining... 1 1 0 0 done
> >> All buffers synced.
> >> IPVS: ipvs unloaded
> >> then it hangs forever.
> >> Another problem is I can't put ipvs_vs_rr_load="yes" in the
> >> /boot/loader.conf file. The system will hang when it tried to boot
> >> the kernel with this ko loaded.
> > Hi,
> > Check the freebsd-clister archive - AFAIR I've tested
> > ipvs+keepalived a time ago and the panic problem was already known.
> > Someone even sent some rc scripts to mailing list. It was a year
> > ago or so...
1) Answer below the text.
2) The 'reboot' command should be used only when you're in single mode.
Use shutdown -r to clean reboot as written in reboot(8) and
I haven't looked at the script, but I think everything should be fine
if modules are loaded on boot and unloaded before reboot (within some
regards, Maciej Suszko.
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