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SubjectRe: tg3 crashes under high load, when using 100Mbits
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Satish Baddipadige <satish.baddipadige@broadcom.com> wrote:

> On Thu, Feb 15, 2018 at 7:37 PM, Siva Reddy Kallam
> <siva.kallam@broadcom.com> wrote:
>> On Mon, Feb 12, 2018 at 10:59 AM, Siva Reddy Kallam
>> <siva.kallam@broadcom.com> wrote:
>>> On Fri, Feb 9, 2018 at 10:41 AM, Kai Heng Feng
>>> <kai.heng.feng@canonical.com> 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
>>>> 2048”) but it does’t 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>


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