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    SubjectRe: tg3 crashes under high load, when using 100Mbits
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    Hi Satish,

    > On 2018Mar21, at 00:57, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
    >
    > 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.

    Users reported that the crash still happens with the patch.

    Kai-Heng

    >
    > Thanks for your work.
    >
    > Kai-Heng
    >
    >>
    >> Thanks,
    >> Satish
    >> <tg3_5762_clock_override.patch>

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