I understand this bug will be fixed when Marc rebased Ubuntu wpa package
on top of the Debian's.
** Changed in: wpa (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1670494
Title:
'wpa_supplicant -D nl80211 -W' hangs with some Intel cards
Status in wpa package in Ubuntu:
Confirmed
Bug description:
init_wpa_supplicant() in /etc/wpa_supplicant/functions.sh runs
wpa_supplicant with the -W option, which causes it to wait for wpa_cli
to attach. init_wpa_supplicant() then attaches wpa_cli to
wpa_supplicant.
When the nl80211 driver is used with some Intel cards, wpa_supplicant
automatically defines a second p2p_dev_${WPA_IFACE} interface. If
multiple interfaces are defined in wpa_supplicant, then wpa_supplicant
will wait for multiple wpa_cli instances to attach. Since
init_wpa_supplicant() only attaches a single wpa_cli process, this
causes wpa_supplicant to hang, which ultimately leads to a timeout and
causes interface configuration to fail.
This has been fixed upstream:
http://lists.infradead.org/pipermail/hostap/2015-December/034410.html
And also in Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=833402
However, the updated wpa_supplicant has not made it to Ubuntu (not
even Zesty), and the "-m ''" workaround mentioned in the mailing list
thread associated with the upstream fix does not work with the version
of wpa_supplicant that comes with Ubuntu.
Could the P2P patches that were merged into Debian be merged into
Ubuntu?
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