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Date:      Sun, 10 May 2009 16:58:34 +1000
From:      Sam Wun <swun2010@gmail.com>
To:        freebsd-net@freebsd.org
Subject:   Re: kernel hang when reboot with loaded ip_vs_rr.ko
Message-ID:  <736c47cb0905092358j24d4b631odf2cfd23b285fadc@mail.gmail.com>
In-Reply-To: <27634.220.233.42.226.1241931139.squirrel@secure.ip6.com.au>
References:  <27634.220.233.42.226.1241931139.squirrel@secure.ip6.com.au>

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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=3D"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@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 h=
ang.
> Here is a list of the ip_vs moudles have built:
>
> modules # ls -l
> total 118
> drwxr-xr-x =A02 root =A0wheel =A0 =A0512 May =A08 15:20 ./
> drwxr-xr-x =A08 root =A0wheel =A0 =A0512 May =A09 21:22 ../
> -r-xr-xr-x =A01 root =A0wheel =A0 5366 May =A08 15:20 ip_vs_dh.ko*
> -r-xr-xr-x =A01 root =A0wheel =A0 8249 May =A08 15:20 ip_vs_lblc.ko*
> -r-xr-xr-x =A01 root =A0wheel =A0 9783 May =A08 15:20 ip_vs_lblcr.ko*
> -r-xr-xr-x =A01 root =A0wheel =A0 4560 May =A08 15:20 ip_vs_lc.ko*
> -r-xr-xr-x =A01 root =A0wheel =A0 4592 May =A08 15:20 ip_vs_nq.ko*
> -r-xr-xr-x =A01 root =A0wheel =A0 4838 May =A08 15:20 ip_vs_rr.ko*
> -r-xr-xr-x =A01 root =A0wheel =A0 4574 May =A08 15:20 ip_vs_sed.ko*
> -r-xr-xr-x =A01 root =A0wheel =A0 5366 May =A08 15:20 ip_vs_sh.ko*
> -r-xr-xr-x =A01 root =A0wheel =A0 4574 May =A08 15:20 ip_vs_wlc.ko*
> -r-xr-xr-x =A01 root =A0wheel =A0 5634 May =A08 15:20 ip_vs_wrr.ko*
> -r-xr-xr-x =A01 root =A0wheel =A043081 May =A08 15:20 ipvs.ko*
> -rw-r--r-- =A01 root =A0wheel =A0 =A0360 May =A08 15:20 linker.hints
>
> What is the problem?
> Important is how to get more information about this kernel module is =A0h=
ang?
>
> Your suggestion is highly appreciated.
>
> Thanks
>
>
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