On Monday 30 May 2005 07:27 pm, James Harr wrote:
> Hi,
> The driver you sent gives me an error when I try to compile and load it
> with 2.6.11.11:
>
> # make
> [...]
> CC [M] drivers/net/r8169.o
> drivers/net/r8169.c: In function `rtl8169_down':
> drivers/net/r8169.c:2589: warning: implicit declaration of function
> synchronize_sched
> [...]
>
> # insmod drivers/net/r8169.ko
> insmod: error inserting 'drivers/net/r8169.ko': -1 Unknown symbol in module
>
>
> It does a similar thing when I try to install it:
>
> # make modules_install
> [...]
> if [ -r System.map ]; then /sbin/depmod -ae -F System.map 2.6.11.11; fi
> WARNING: /lib/modules/2.6.11.11/kernel/drivers/net/r8169.ko needs unknown
> symbol synchronize_sched
>
> As I noted in a previous email, it doesn't give me this problem when I have
> jumbo frames enabled on my switch.
>
> Since I found out my switch supported jumbo frames, I started to toy around
> with larger MTUs. When a VLAN's MTU was set to 7200, my system locked up. I
> didn't have this problem at 7196. Also, the crash problem wasn't there on a
> regular interface with no VLANs and the MTU at 7200.
I wonder if this is related to the adapter breaking large frames into multiple
descriptors. On normal (non-VLAN) frames, this happens at MTU 8169. I
wonder if enabling VLAN and jumbo frames (a combination I never tried) brings
down the threshold to MTU 7200.
Thanks,
Jon
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