Public bug reported:
SRU Justification
[Impact]
MSFT has requested to backport commit
a7dfeda6fdeccab4c7c3dce9a72c4262b9530c80 ('net: mana: Fix MANA VF unload
when hardware is unresponsive').
When unloading the MANA driver, mana_dealloc_queues() waits for the MANA
hardware to complete any inflight packets and set the pending send count
to zero. But if the hardware has failed, mana_dealloc_queues()
could wait forever.
[Test Plan]
Microsoft tested. Commit upstream since 6.5
[Regression Potential]
The MANA driver may not shut down correctly.
[Other Info]
SF: #00367140
** Affects: linux-azure (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-azure (Ubuntu Focal)
Importance: Undecided
Status: New
** Affects: linux-azure (Ubuntu Jammy)
Importance: Undecided
Status: New
** Affects: linux-azure (Ubuntu Lunar)
Importance: Undecided
Status: New
** Package changed: linux (Ubuntu) => linux-azure (Ubuntu)
** Also affects: linux-azure (Ubuntu Lunar)
Importance: Undecided
Status: New
** Also affects: linux-azure (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: linux-azure (Ubuntu Focal)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2033531
Title:
Azure: net: mana: Fix MANA VF unload when hardware is unresponsive
Status in linux-azure package in Ubuntu:
New
Status in linux-azure source package in Focal:
New
Status in linux-azure source package in Jammy:
New
Status in linux-azure source package in Lunar:
New
Bug description:
SRU Justification
[Impact]
MSFT has requested to backport commit
a7dfeda6fdeccab4c7c3dce9a72c4262b9530c80 ('net: mana: Fix MANA VF
unload when hardware is unresponsive').
When unloading the MANA driver, mana_dealloc_queues() waits for the MANA
hardware to complete any inflight packets and set the pending send count
to zero. But if the hardware has failed, mana_dealloc_queues()
could wait forever.
[Test Plan]
Microsoft tested. Commit upstream since 6.5
[Regression Potential]
The MANA driver may not shut down correctly.
[Other Info]
SF: #00367140
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https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/2033531/+subscriptions
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