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    SubjectRe: Issue with RTL8111 NIC after upgrade to kernel 4.19
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    On 22.11.2018 20:29, Marc Dionne wrote:
    > On Thu, Nov 22, 2018 at 2:17 PM Heiner Kallweit <hkallweit1@gmail.com> wrote:
    >> Thanks a lot for testing. Could you please test also the following
    >> as an alternative to the delay?
    >>
    >> diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
    >> index 55202a0ac..aeccb2323 100644
    >> --- a/drivers/net/phy/phy_device.c
    >> +++ b/drivers/net/phy/phy_device.c
    >> @@ -2254,6 +2254,7 @@ int phy_driver_register(struct phy_driver *new_driver, struct module *owner)
    >> new_driver->mdiodrv.driver.probe = phy_probe;
    >> new_driver->mdiodrv.driver.remove = phy_remove;
    >> new_driver->mdiodrv.driver.owner = owner;
    >> + new_driver->mdiodrv.driver.probe_type = PROBE_FORCE_SYNCHRONOUS;
    >>
    >> retval = driver_register(&new_driver->mdiodrv.driver);
    >> if (retval) {
    >
    > That also gets me network reliably, switching between a kernel where
    > it fails (distro 4.19 kernel) and the custom kernel with the patch.
    >
    Thanks again for the very quick response. The result is good and bad
    news at once: good because it seems we have a fix, bad because we
    don't understand the root cause of the issue yet.

    >>> There's a side issue that network startup is taking a full minute
    >>> longer than it should, but that's possibly unrelated.
    >
    > BTW that's an unrelated rng issue, for which I have a workaround.
    >
    Indeed totally unrelated, but sounds familiar. I had the same issue
    on a headless system which therefore generates very little entropy.
    I fixed it by setting CONFIG_RANDOM_TRUST_CPU=y

    >>>
    >> Thanks, Heiner
    >
    > Marc
    >
    Heiner

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