kernel hang when reboot with loaded ip_vs_rr.ko

[Sam Wan]

Unfortunately, after started ip_vs_rr with this script, reboot still
failed, but interestingly, system shutdown is running fine with these
moduels loaded.

Thanks
Sam

> 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...
> --
> regards, Maciej Suszko.
>