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Install the driver of physical device for a SR-IOV virtual device

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Related: https://issues.redhat.com/browse/RHEL-7028
Conflict: None

Upstream Status: git@github.com:rhkdump/kdump-utils.git

commit 7a8edc8de67dccae23b01461bc3b17c0ad42aa5f
Author: Coiby Xu <coxu@redhat.com>
Date:   Wed Sep 27 09:31:39 2023 +0800

    Install the driver of physical device for a SR-IOV virtual device

    Currently, network dumping failed over a NIC that is a Single Root I/O
    Virtualization (SR-IOV) virtual device. Usually the driver of the
    virtual device won't specify the dependency on the driver of the
    physical device. So to fix this issue, the driver of the physical device
    needs to be found and installed as well.

    Fixes: a65dde2d ("Reduce kdump memory consumption by only installing needed NIC drivers")
    Signed-off-by: Coiby Xu <coxu@redhat.com>

Signed-off-by: Coiby Xu <coxu@redhat.com>
This commit is contained in:
Coiby Xu 2024-05-09 13:41:05 +08:00
parent ce8f796720
commit 74e1022fae
1 changed files with 11 additions and 0 deletions
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11
dracut-module-setup.sh
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@ -391,6 +391,14 @@ _get_hpyerv_physical_driver() {
_get_nic_driver "$_physical_nic" _get_nic_driver "$_physical_nic"
} }
_get_physical_function_driver() {
local _physfn_dir=/sys/class/net/"$1"/device/physfn
if [[ -e "$_physfn_dir" ]]; then
basename "$(readlink -f "$_physfn_dir"/driver)"
fi
}
kdump_install_nic_driver() { kdump_install_nic_driver() {
local _netif _driver _drivers local _netif _driver _drivers
@ -418,6 +426,9 @@ kdump_install_nic_driver() {
fi fi
_drivers+=("$_driver") _drivers+=("$_driver")
# For a Single Root I/O Virtualization (SR-IOV) virtual device,
# the driver of physical device needs to be installed as well
_drivers+=("$(_get_physical_function_driver "$_netif")")
done done
[[ -n ${_drivers[*]} ]] || return [[ -n ${_drivers[*]} ]] || return