wireless scan doesn't show hidden networks, neither as "hidden". [Regression]

[bi-abba]

Description: Ubuntu 9.04
Release: 9.04

ii network-manage 0.7.1~rc4.1.cf network management framework daemon

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From MAP of wlan interface, hidden network aren't shown, neither as "hidden", as in <iwlist wlan0 scan>.

Manual iwconfig commands also aren't supported from network manager applet.
When iwconfig says it's connected to hidden network, nothing is showed from applet.

Previous release of kubuntu 8.04 with 2.6.22-14 kernel works perfectly with same hidden lan, same hardware and same commands (iwconfig).
Newer kernel release with iwl3945 driver, doesn't support it anymore. Same problem in actual kubuntu jaunty 9.04 with 2.6.28-11-generic kernel.

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# lspci
00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub (rev 0c)
00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c)
00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c)
00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 (rev 03)
00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 (rev 03)
00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 2 (rev 03)
00:1c.2 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 3 (rev 03)
00:1c.4 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 5 (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f3)
00:1f.0 ISA bridge: Intel Corporation 82801HEM (ICH8M) LPC Interface Controller (rev 03)
00:1f.1 IDE interface: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) IDE Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) SATA AHCI Controller (rev 03)
02:04.0 CardBus bridge: Ricoh Co Ltd RL5c476 II (rev b6)
02:04.1 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller (rev 02)
10:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02)
18:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5787M Gigabit Ethernet PCI Express (rev 02)

[bi-abba (l-epa-m-inonda)]

Architecture: i386
DistroRelease: Ubuntu 9.04
Gconf:

IfupdownConfig:
 auto lo
 iface lo inet loopback
NonfreeKernelModules: vmmon
Package: network-manager 0.7.1~rc4.1.cf199a964-0ubuntu2
PackageArchitecture: i386
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=it_IT.UTF-8
 LANGUAGE=
Uname: Linux 2.6.28-11-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Timothy Arceri (t-fridey)]

Ubuntu 9.04 support ended 23 October 2010.

Can you confirm if this is still an issue with a later version of Ubuntu?