** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1764892
Title:
e1000e msix interrupts broken in linux-image-4.15.0-15-generic
Status in linux package in Ubuntu:
Confirmed
Bug description:
Hi Ubuntu folks,
Linux kernel 4.15 has introduced a bug in e1000e msix interrupt
drivers, which violates the e1000e specification. Specifically, the
driver configures auto-clearing of the "OTHER" interrupt types, and
the "OTHER" interrupt handler expects to see an uncleared interrupt
source for the "OTHER" types; consequently, the link state change
interrupts are not identified by the driver, and thus the virtual
E1000e device doesn't function correctly inside VMware VMs.
I have verified that Linux kernel 4.16.2 has fixed the issues and our
on-perm QE has verified 4.16-RC functions correctly inside VMware VMs.
Could you please crossport the fix from linux-4.16 into Ubuntu 18.04
that would be frozen in 2 days? Here are the change history:
https://lkml.org/lkml/2018/3/25/248
Benjamin Poirier (7):
e1000e: Remove Other from EIAC
Partial revert "e1000e: Avoid receiver overrun interrupt bursts"
e1000e: Fix queue interrupt re-raising in Other interrupt
e1000e: Avoid missed interrupts following ICR read
e1000e: Fix check_for_link return value with autoneg off
Revert "e1000e: Separate signaling for link check/link up"
e1000e: Fix link check race condition
Thanks,
-zheng
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