ap_vlan_open exits hwsim tests

[Eduardo Abinader]

I've run tests on kvm with v3.14-rc4 and on non-virtual machines. The
behavior I reported, termination earlier, was due to a crash in my kvm. It
occurs that this test is freezing my real machine, event if it is run
separetely (run-tests.py -f ap_vlan).

I suspect of configure filter function in hwsim that is causing such issue,
as can be seen in the message logs below:

===> From VM logs:
[ 1610.660319] kobject: 'brport' (ffff880078d35558): kobject_uevent_env
[ 1610.660341] kobject: 'brport' (ffff880078d35558): kobject_uevent_env:
filter function caused the event to drop!
[ 1610.663776] kobject: 'rx-0' (ffff88007afc3b20): kobject_release, parent
ffff88007afc1750 (delayed 100)
[ 1610.667599] kobject: 'tx-3' (ffff880078df4bf8): kobject_release, parent
ffff88007afc1750 (delayed 300)
[ 1610.671548] kobject: 'tx-2' (ffff880078df49b8): kobject_release, parent
ffff88007afc1750 (delayed 100)
[ 1610.674346] kobject: 'tx-1' (ffff880078df4778): kobject_release, parent
ffff88007afc1750 (delayed 400)
[ 1610.675251] kobject: 'tx-0' (ffff880078df4538): kobject_release, parent
ffff88007afc1750 (delayed 300)

===> From real machine logs:
kernel: [  298.329711] ieee80211 phy2: mac80211_hwsim_config
(freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static)
kernel: [  298.329728] ieee80211 phy2: mac80211_hwsim_configure_filter
kernel: [  298.329744] IPv6: ADDRCONF(NETDEV_UP): wlan2: link is not ready
kernel: [  298.329747] ieee80211 phy2: mac80211_hwsim_configure_filter
kernel: imklog 5.8.11, log source = /proc/kmsg started.


The kvm logs are available at
https://www.dropbox.com/s/miuo7z2rscj2rwg/kvm_logs.tgz


Thanks.

On Tue, Mar 11, 2014 at 9:54 AM, Jouni Malinen <j at w1.fi> wrote:

> On Tue, Mar 11, 2014 at 09:13:57AM -0400, Eduardo Abinader wrote:
> > With current master branch (390b92913a9a1b3a6aaf70e8b5971a7b7c76cabc), in
> > every environment I
> > test, hwsim test is exiting just after ap_vlan_open with the message:
> > 'Terminating early due to device reset failure', although I have noticed
> > success in buildbot.
>
> I don't see that in any of my test setups. Could you please check the
> end of each ap_vlan_open log file to see if they show any signs of a
> process getting stuck or terminating? If no, please check all log files
> in the same directory that are newer than ap_vlan_open* logs.
>
> --
> Jouni Malinen                                            PGP id EFC895FA
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