Messages in this thread | | | Date | Fri, 27 Sep 2013 21:01:58 +0200 | From | Zdenek Kabelac <> | Subject | Re: kobject_add_internal failed for msi_irqs with -EEXIST |
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Dne 27.9.2013 18:01, Veaceslav Falico napsal(a): > On Fri, Sep 27, 2013 at 09:58:28AM -0600, Bjorn Helgaas wrote: >> [+cc Veaceslav, linux-pci] >> >> On Fri, Sep 27, 2013 at 7:34 AM, Zdenek Kabelac <zkabelac@redhat.com> wrote: >>> Hi >>> >>> With recent build of 3.12-rc2 I'm getting this warning report from kernel: >>> (hw Lenovo T61, C2D, 4GB Ram) >>> (repost since linux-kernel@ rejected my gmail email....) >> >> This looks related to the MSI/kobject issues Veaceslav is working on. >> See >> http://lkml.kernel.org/r/1379382464-7920-2-git-send-email-vfalico@redhat.com >> and related messages. >> >> We don't have a resolution yet. If you have >> CONFIG_DEBUG_KOBJECT_RELEASE=y, you could try turning that off. I >> don't know if it would help, and it would only be a temporary >> workaround anyway. > > I've looked at the original post - > http://www.mail-archive.com/linux-kernel@vger.kernel.org/msg510798.html > hope that's it - and it seems that it's disabling DEBUG_KOBJECT_RELEASE > won't help - the warning is about the re-registering, not about freeing it. > > As a workaround I'd suggest adding some kind of delay between removing and > adding the msi - as in - rmmod e1000e; sleep 1; modprobe e1000e; - or > something like that, so that there is enough time for the /msqi_irqs/ to go > away. >
I'm not readding e1000e modules myself - however I've no idea what NetworkManager does. Here are messages prior warning:
NetworkManager[304]: <info> monitoring kernel firmware directory '/lib/firmware'. NetworkManager[304]: <info> rfkill1: found WiFi radio killswitch (at /sys/devices/pci0000:00/0000:00:1c.1/0000:03:00.0/ieee80211/phy0/rfkill1) (driver iwl3945) NetworkManager[304]: <info> WiFi hardware radio set enabled NetworkManager[304]: <info> WiFi enabled by radio killswitch; enabled by state file NetworkManager[304]: <info> WWAN enabled by radio killswitch; disabled by state file NetworkManager[304]: <info> WiMAX enabled by radio killswitch; enabled by state file NetworkManager[304]: <info> Networking is enabled by state file NetworkManager[304]: <info> (eth0): carrier is OFF NetworkManager[304]: <info> (eth0): new Ethernet device (driver: 'e1000e' ifindex: 2) NetworkManager[304]: <info> (eth0): exported as /org/freedesktop/NetworkManager/Devices/0 NetworkManager[304]: <info> (eth0): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2] NetworkManager[304]: <info> (eth0): bringing up device. rpcbind: cannot create socket for udp6 rpcbind: cannot create socket for tcp6 kernel: [ 5.727025] WARNING! power/level is deprecated; use power/control instead
So it looks like 'bringing up' causes recreation of msi_irqs ?
Zdenek
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