[systemd-devel] udev rules fails to set attribute on boot on CentOS 6.6

[Lennart Poettering]

On Thu, 05.02.15 15:11, Angelos Ching (angelosching at clustertech.com) wrote:

> Hi guys,
> 
> I'm not exactly sure if I'm asking the right question in the right place,
> please let me know if this is not the right place for this question.
> 
> I'm setting up SR-IOV for my Intel I350 igb on CentOS 6.6
> (2.6.32-504.el6.x86_64, udev 147) using udev. I have modified a rule I used
> in CentOS 7 (3.10.0-123.el7.x86_64, udev 208). When I do "udevadm test" on
> CentOS 6.6, the rule is matched correctly and sets the sriov_numvfs
> attribute to the desired number and enables SR-IOV accordingly:
> 
> # cat /etc/udev/rules.d/igbsriov.rules
> KERNEL=="0000:01:00.0", SUBSYSTEM=="pci", DRIVER=="igb",
> ATTR{vendor}=="0x8086", ATTR{device}=="0x1521",
> WAIT_FOR="/sys/bus/pci/devices/0000:01:00.0/sriov_numvfs",
> ATTR{sriov_numvfs}="7"
> 
> However, when the computer is reboot, sriov_numvfs attribute is not set
> until I perform "udevadm trigger"
> 
> Any ideas what I may be missing?

systemd upstream is probably not the best place to ask questions about
really old distros, with udev versions predating systemd... Also,
sriov questions are not really at the right place here either...

Sorry,

Lennart

-- 
Lennart Poettering, Red Hat