Messages in this thread | | | Date | Thu, 07 Jun 2018 16:24:43 -0400 (EDT) | Subject | Re: [PATCH v2] hv_netvsc: Fix a network regression after ifdown/ifup | From | David Miller <> |
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From: Dexuan Cui <decui@microsoft.com> Date: Wed, 6 Jun 2018 21:32:51 +0000
> > Recently people reported the NIC stops working after > "ifdown eth0; ifup eth0". It turns out in this case the TX queues are not > enabled, after the refactoring of the common detach logic: when the NIC > has sub-channels, usually we enable all the TX queues after all > sub-channels are set up: see rndis_set_subchannel() -> > netif_device_attach(), but in the case of "ifdown eth0; ifup eth0" where > the number of channels doesn't change, we also must make sure the TX queues > are enabled. The patch fixes the regression. > > Fixes: 7b2ee50c0cd5 ("hv_netvsc: common detach logic") > Signed-off-by: Dexuan Cui <decui@microsoft.com>
Applied and queued up for -stable.
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