Re: tg3 crashes under high load, when using 100Mbits

[Kai-Heng Feng]

Satish Baddipadige <satish.baddipadige@xxxxxxxxxxxx> wrote:

> On Thu, Feb 15, 2018 at 7:37 PM, Siva Reddy Kallam
> <siva.kallam@xxxxxxxxxxxx> wrote:
> > On Mon, Feb 12, 2018 at 10:59 AM, Siva Reddy Kallam
> > <siva.kallam@xxxxxxxxxxxx> wrote:
> > > On Fri, Feb 9, 2018 at 10:41 AM, Kai Heng Feng
> > > <kai.heng.feng@xxxxxxxxxxxxx> wrote:
> > > > Hi Broadcom folks,
> > > >
> > > > We are now enabling a new platform with tg3 nic, unfortunately we  
> > > > observed
> > > > the bug [1] that dated back to 2015.
> > > > I tried commit 4419bb1cedcd ("tg3: Add workaround to restrict 5762  
> > > > MRRS to
> > > > 2048â) but it doesât work.
> > > >
> > > > Do you have any idea how to solve the issue?
> > > >
> > > > [1] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1447664
> > > >
> > > > Kai-Heng
> > > Thank you for reporting. We will check and update you.
> > With link aware mode, the clock speed could be slow and boot code does not
> > complete within the expected time with lower link speeds. Need to override
> > and the clock in driver. We are checking the feasibility of adding
> > this in driver or firmware.
>
> Hi Kai-Heng,
>
> Can you please test the attached patch?

I built a kernel and asked affected users to try.

Thanks for your work.

Kai-Heng

> Thanks,
> Satish
> <tg3_5762_clock_override.patch>