On Mon, 2011-10-24 at 10:39 -0400, Bill C Riemers wrote:
> Last night, I tried using wifi from the comfortinn I am staying at for the
> week, and I repeatedly received a kernel error:
>
> :WARNING: at drivers/net/wireless/iwlwifi/iwl-core.c:482
> iwl_check_rxon_cmd+0x21
> 1/0x21f [iwlagn]()
>
> Actually, looking at the respective line of code, it seems the module is
> complaining that channel number 6 is not a valid channel number...
Probably best to persue this via kernel development lists actually, it's
probably more of a kernel driver bug than an NM bug. But some things
that come to mind: perhaps the AP's 802.11d IE is telling your card that
it cannot use some channels; often APs get this wrong. Second, if this
happens generally, it could be rfkill related. But actually, your
problem is apparently this block:
if ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK))
== (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK)) {
IWL_WARN(priv, "CCK and short slot\n");
errors |= BIT(7);
}
which is much more a kernel driver issue than an NM issue... (0x40 = bit 7)
Dan
> Now here are the problems related to network manager:
> 1. I have no way of aborting the connection attempt. In fact now when I'm
> in the hotel I have to have the wifi switched off otherwise it automatically
> tries to connect to comfortinn, and generates the error repeatedly, blocking
> me from doing anything else.
> 2. I'm not sure if the problem is a kernel bug, or network manager is
> passing invalid parameters. There seems to be no way to open the connection
> in with the gnome interface to network manager. I can only open the
> connection options for connections I'm actively connected to. Is there a
> file on disk somewhere I can access, or an alternate UI?
>
> BTW. This problem seems related to the settings used for comfort inn, as I
> have never had problems connecting to any other wifi network.
>
> Regards,
>
> Bill
>
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