Public bug reported:
Binary package hint: network-manager
sounded kind of similar to #140763, but different enough for a new
bug...
On a Lenovo T61, resume from suspend takes around 2min32sec if "roaming" mode
is turned off and DHCP selected in network manager for the wireless interface.
If I turn roaming mode back on, then it's around 12 seconds, i.e excellent!
This is from pressing the button, to the password box reappearing, with
the intervening time being the flashing underscore in the top left hand
corner.
The problem seems to be resuming the wireless card... dmesg says (from
the first reference to network stuff... )
[ 6.634240] iwl4965: Intel(R) Wireless WiFi Link 4965AGN driver for Linux,
1.2.0
[ 6.634244] iwl4965: Copyright(c) 2003-2007 Intel Corporation
[ 6.634374] ACPI: PCI Interrupt 0000:03:00.0[A] -> GSI 17 (level, low) ->
IRQ 21
[ 6.634419] PCI: Setting latency timer of device 0000:03:00.0 to 64
[ 6.634440] iwl4965: Detected Intel Wireless WiFi Link 4965AGN
[ 6.697344] Intel(R) PRO/1000 Network Driver - version 7.3.20-k2-NAPI
[ 6.697348] Copyright (c) 1999-2006 Intel Corporation.
[ 6.697401] ACPI: PCI Interrupt 0000:00:19.0[A] -> GSI 20 (level, low) ->
IRQ 17
[ 6.697417] PCI: Setting latency timer of device 0000:00:19.0 to 64
[ 6.722457] e1000: 0000:00:19.0: e1000_probe: (PCI Express:2.5Gb/s:Width x1)
00:1c:25:10:7f:6f
[ 6.815707] e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connection
[ 6.832108] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 6.887165] iwl4965: Tunable channels: 13 802.11bg, 19 802.11a channels
[ 6.888776] wmaster0: Selected rate control algorithm 'iwl-4965-rs'
[ 6.922330] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 7.178133] usb 1-2: new full speed USB device using uhci_hcd and address 11
[ 7.356249] usb 1-2: configuration #1 chosen from 1 choice
[ 7.600008] usb 4-2: new full speed USB device using uhci_hcd and address 10
[ 7.797044] usb 4-2: configuration #1 chosen from 1 choice
[ 39.057143] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 145.430337] ADDRCONF(NETDEV_UP): wlan0: link is not ready
Note the 2 minute pause at the end!!
Whereas, when I turn roaming mode back on, it looks like this:
[ 6.885904] iwl4965: Intel(R) Wireless WiFi Link 4965AGN driver for Linux,
1.2.0
[ 6.885908] iwl4965: Copyright(c) 2003-2007 Intel Corporation
[ 6.886020] ACPI: PCI Interrupt 0000:03:00.0[A] -> GSI 17 (level, low) ->
IRQ 21
[ 6.886055] PCI: Setting latency timer of device 0000:03:00.0 to 64
[ 6.886094] iwl4965: Detected Intel Wireless WiFi Link 4965AGN
[ 6.946511] Intel(R) PRO/1000 Network Driver - version 7.3.20-k2-NAPI
[ 6.946516] Copyright (c) 1999-2006 Intel Corporation.
[ 6.946562] ACPI: PCI Interrupt 0000:00:19.0[A] -> GSI 20 (level, low) ->
IRQ 17
[ 6.946575] PCI: Setting latency timer of device 0000:00:19.0 to 64
[ 6.974603] e1000: 0000:00:19.0: e1000_probe: (PCI Express:2.5Gb/s:Width x1)
00:1c:25:10:7f:6f
[ 7.067726] e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connection
[ 7.096835] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 7.125858] iwl4965: Tunable channels: 13 802.11bg, 19 802.11a channels
[ 7.128170] wmaster0: Selected rate control algorithm 'iwl-4965-rs'
[ 7.142755] usb 1-2: new full speed USB device using uhci_hcd and address 13
[ 7.329532] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 7.390769] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 7.507073] usb 1-2: configuration #1 chosen from 1 choice
[ 7.756369] usb 4-2: new full speed USB device using uhci_hcd and address 12
[ 7.962425] usb 4-2: configuration #1 chosen from 1 choice
much more civilised!
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
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resume from suspend takes a long time when wifi "roaming" is turned off
https://bugs.launchpad.net/bugs/252496
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