kernel hang when reboot with loaded ip_vs_rr.ko

[Sam Wun]

That patch is for 7.0-current.
But I applied to 7.2 Release, and built successfully.
Manually kldload and kldunload has no problem.

On Sun, May 10, 2009 at 5:16 PM, Adrian Chadd <adrian at freebsd.org> wrote:
> What version of FreeBSD is the IPVS patch for?
>
> And hi from Perth. :) What are you guys doing with FreeBSD in
> particular out there?
>
>
>
> Adrian
>
> 2009/5/10 Sam Wun <swun2010 at gmail.com>:
>> 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.
>>
>> Thanks
>>
>>
>> On Sun, May 10, 2009 at 2:52 PM, Sam Wan <sam at ip6.com.au> wrote:
>>> I built ip_vs_rr.ko in 7.2 Release.
>>> There is no problem when loaded ipvs.ko.
>>> After I loaded ip_vs_rr.ko, and reboot the system, the entire system is hang.
>>> Here is a list of the ip_vs moudles have built:
>>>
>>> modules # ls -l
>>> total 118
>>> drwxr-xr-x  2 root  wheel    512 May  8 15:20 ./
>>> drwxr-xr-x  8 root  wheel    512 May  9 21:22 ../
>>> -r-xr-xr-x  1 root  wheel   5366 May  8 15:20 ip_vs_dh.ko*
>>> -r-xr-xr-x  1 root  wheel   8249 May  8 15:20 ip_vs_lblc.ko*
>>> -r-xr-xr-x  1 root  wheel   9783 May  8 15:20 ip_vs_lblcr.ko*
>>> -r-xr-xr-x  1 root  wheel   4560 May  8 15:20 ip_vs_lc.ko*
>>> -r-xr-xr-x  1 root  wheel   4592 May  8 15:20 ip_vs_nq.ko*
>>> -r-xr-xr-x  1 root  wheel   4838 May  8 15:20 ip_vs_rr.ko*
>>> -r-xr-xr-x  1 root  wheel   4574 May  8 15:20 ip_vs_sed.ko*
>>> -r-xr-xr-x  1 root  wheel   5366 May  8 15:20 ip_vs_sh.ko*
>>> -r-xr-xr-x  1 root  wheel   4574 May  8 15:20 ip_vs_wlc.ko*
>>> -r-xr-xr-x  1 root  wheel   5634 May  8 15:20 ip_vs_wrr.ko*
>>> -r-xr-xr-x  1 root  wheel  43081 May  8 15:20 ipvs.ko*
>>> -rw-r--r--  1 root  wheel    360 May  8 15:20 linker.hints
>>>
>>> What is the problem?
>>> Important is how to get more information about this kernel module is  hang?
>>>
>>> Your suggestion is highly appreciated.
>>>
>>> Thanks
>>>
>>>
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>