** Changed in: linux (Ubuntu Eoan)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1853964
Title:
[hns-1126]net: hns3: make hclge_service use delayed workqueue
Status in kunpeng920:
In Progress
Status in kunpeng920 ubuntu-18.04 series:
Won't Fix
Status in kunpeng920 ubuntu-18.04-hwe series:
Fix Committed
Status in kunpeng920 ubuntu-19.10 series:
In Progress
Status in kunpeng920 ubuntu-20.04 series:
Fix Committed
Status in kunpeng920 upstream-kernel series:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Eoan:
Fix Committed
Bug description:
[Impact]
System crashes when setting irq affinity and turning on/off on the interfaces
[Fix]
net: hns3: make hclge_service use delayed workqueue
[Test]
Writing smp_affinity_list and turning on/off in loop
[Regression Potential]
This patch only for hns3. Lowest risk for other platform/driver
"[Bug Description]
Currently, up/down port process may concurrently operate
timer(del_timer_sync/add_timer_on) with setting IRQ affinity, and cause system
breaking down.
[Steps to Reproduce]
set misc irp affinity of PF during up/down port by follow script:
while((1))
do
for i in {0..31}; do echo $i > /proc/irq/678/smp_affinity_list; done
done
while((1))
do
ifconfig eth4 down
ifconfig eth4 up
done
[Actual Results]
System break down.
kernel call trace
[Expected Results]
System run normally.
[Reproducibility]
Inevitably
[Additional information]
Hardware: D06
Firmware: NA
Kernel: NA
[Resolution]
This patch uses delayed work instead of using timers to trigger the
hclge_serive."
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