Messages in this thread | | | Subject | Re: [PATCH] iavf: Fix hang during reboot/shutdown | From | patchwork-bot+netdevbpf@kernel ... | Date | Thu, 17 Mar 2022 17:30:10 +0000 |
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Hello:
This patch was applied to netdev/net.git (master) by Jakub Kicinski <kuba@kernel.org>:
On Thu, 17 Mar 2022 11:45:24 +0100 you wrote: > Recent commit 974578017fc1 ("iavf: Add waiting so the port is > initialized in remove") adds a wait-loop at the beginning of > iavf_remove() to ensure that port initialization is finished > prior unregistering net device. This causes a regression > in reboot/shutdown scenario because in this case callback > iavf_shutdown() is called and this callback detaches the device, > makes it down if it is running and sets its state to __IAVF_REMOVE. > Later shutdown callback of associated PF driver (e.g. ice_shutdown) > is called. That callback calls among other things sriov_disable() > that calls indirectly iavf_remove() (see stack trace below). > As the adapter state is already __IAVF_REMOVE then the mentioned > loop is end-less and shutdown process hangs. > > [...]
Here is the summary with links: - iavf: Fix hang during reboot/shutdown https://git.kernel.org/netdev/net/c/b04683ff8f08
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