** Changed in: hwe-next
Status: New => Fix Released
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-5.6 in Ubuntu.
https://bugs.launchpad.net/bugs/1899726
Title:
Fix system reboot when disconnecting WiFi
Status in HWE Next:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-5.6 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Fix Released
Status in linux-oem-5.6 source package in Focal:
Fix Released
Status in linux source package in Groovy:
Fix Released
Status in linux-oem-5.6 source package in Groovy:
Invalid
Bug description:
[Impact]
Hardware triggrs reboot when disconnecting WiFi connection.
[Fix]
There's a DMA bug in Intel WiFi 9000 needs to be limits to 6 RX queue
max.
[Test]
With the patch applied, a 1000 times of connect/disconnect loop doesn't
bring the system down.
[Regression Potential]
Not that I can think of. Hypothetically reducing RX queue rings will
reduce the RX speed, but the wireless transfter is a lot slower then DMA
operation, so we won't see any difference.
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