* Re: Bug#644281: linux-image-3.0.0-1-amd64: problem after changing mtu size on jme kernel module
[not found] <20111004181353.3212.57206.reportbug@ASUS>
@ 2011-10-07 4:17 ` Ben Hutchings
2011-10-07 6:24 ` Guo-Fu Tseng
0 siblings, 1 reply; 2+ messages in thread
From: Ben Hutchings @ 2011-10-07 4:17 UTC (permalink / raw)
To: Guo-Fu Tseng; +Cc: 644281, kantacki, netdev
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On Tue, 2011-10-04 at 20:13 +0200, kantacki wrote:
> Package: linux-2.6
> Version: 3.0.0-3
> Severity: important
> Tags: upstream
>
> Hello,
>
> When I try to execute:
> ifconfig eth0 mtu 4000 up
> or
> ifconfig eth0 mtu 7198 up
> my nic stops working and changing back to mtu 1500 does not help.
> To use my nic again I have to execute:
> rmmod jme
> modprome jme
> and the the command ifconfig eth0 mtu 1500 $IP up works and enables the network
>
> My network card is Jmicron
[...]
Can you look into this, please?
It appears that jme_change_mtu() doesn't stop the RX path and doesn't
immediately reallocate RX buffers, and I think it should. Maybe that's
not the problem though.
Ben.
--
Ben Hutchings
For every action, there is an equal and opposite criticism. - Harrison
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Bug#644281: linux-image-3.0.0-1-amd64: problem after changing mtu size on jme kernel module
2011-10-07 4:17 ` Bug#644281: linux-image-3.0.0-1-amd64: problem after changing mtu size on jme kernel module Ben Hutchings
@ 2011-10-07 6:24 ` Guo-Fu Tseng
0 siblings, 0 replies; 2+ messages in thread
From: Guo-Fu Tseng @ 2011-10-07 6:24 UTC (permalink / raw)
To: Ben Hutchings; +Cc: 644281, kantacki, netdev
On Fri, 07 Oct 2011 05:17:52 +0100, Ben Hutchings wrote
> On Tue, 2011-10-04 at 20:13 +0200, kantacki wrote:
> > Package: linux-2.6
> > Version: 3.0.0-3
> > Severity: important
> > Tags: upstream
> >
> > Hello,
> >
> > When I try to execute:
> > ifconfig eth0 mtu 4000 up
> > or
> > ifconfig eth0 mtu 7198 up
> > my nic stops working and changing back to mtu 1500 does not help.
> > To use my nic again I have to execute:
> > rmmod jme
> > modprome jme
> > and the the command ifconfig eth0 mtu 1500 $IP up works and enables the network
> >
> > My network card is Jmicron
> [...]
>
> Can you look into this, please?
>
> It appears that jme_change_mtu() doesn't stop the RX path and doesn't
> immediately reallocate RX buffers, and I think it should. Maybe that's
> not the problem though.
>
> Ben.
>
> --
> Ben Hutchings
> For every action, there is an equal and opposite criticism. - Harrison
I'll find some time to look into it this weekend.
Thanks for the report. :)
Guo-Fu Tseng
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2011-10-07 4:17 ` Bug#644281: linux-image-3.0.0-1-amd64: problem after changing mtu size on jme kernel module Ben Hutchings
2011-10-07 6:24 ` Guo-Fu Tseng
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