From: Kalle Valo <kvalo@codeaurora.org>
To: Luca Coelho <luca@coelho.fi>
Cc: Marc MERLIN <marc@merlins.org>,
linux-wireless@vger.kernel.org, linuxwifi@intel.com
Subject: Re: After upgrading to 4.11.1, wifi driver refuses to load after being unloaded once.
Date: Wed, 18 Oct 2017 07:59:16 +0300 [thread overview]
Message-ID: <87infduk4b.fsf@purkki.adurom.net> (raw)
In-Reply-To: <1508276099.5497.122.camel@coelho.fi> (Luca Coelho's message of "Wed, 18 Oct 2017 00:34:59 +0300")
Luca Coelho <luca@coelho.fi> writes:
> On Tue, 2017-10-17 at 14:23 -0700, Marc MERLIN wrote:
>> On Tue, Oct 17, 2017 at 05:05:57PM +0300, Luca Coelho wrote:
>> > Hi,
>> >
>> > On Tue, 2017-10-17 at 02:44 -0700, Marc MERLIN wrote:
>> > > Was broken in 4.11, still broken in 4.12. This is crippling, I'm
>> > > not
>> > > running linux so that I have to reboot it to reload an intel
>> > > wireless
>> > > driver :-/
>> >
>> > Can you report a bug in https://bugzilla.kernel.org so it's easier
>> > to
>> > track this?
>> >
>> > The problem seems to be that the rootport is not leaving D3 for
>> > some
>> > reason when the driver is loaded again. Do you have
>> > CONFIG_IWLWIFI_PCIE_RTPM enabled in your .config? (you shouldn't)
>>
>>
>> I don't know how or why, but I seem to:
>> saruman:~# grep IWLWIFI /boot/config-4.12.10-amd64-preempt-sysrq-
>> 20170406
>> CONFIG_IWLWIFI=m
>> CONFIG_IWLWIFI_LEDS=y
>> CONFIG_IWLWIFI_OPMODE_MODULAR=y
>> # CONFIG_IWLWIFI_BCAST_FILTERING is not set
>> CONFIG_IWLWIFI_PCIE_RTPM=y
>> CONFIG_IWLWIFI_DEBUG=y
>> CONFIG_IWLWIFI_DEVICE_TRACING=y
>>
>> I'll remove that, thanks.
>
> Cool, I think that might help. If it doesn't, please report a bug in
> buzilla. ;)
But a Kconfig option should never break functionality, so IMHO this
still sounds like a bug in iwlwifi.
--
Kalle Valo
next prev parent reply other threads:[~2017-10-18 4:59 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-26 2:48 After upgrading to 4.11.1, wifi driver refuses to load after being unloaded once Marc MERLIN
2017-06-02 9:42 ` Luca Coelho
2017-06-03 16:59 ` Marc MERLIN
2017-08-16 23:38 ` Marc MERLIN
2017-08-27 0:56 ` Marc MERLIN
2017-10-17 9:44 ` Marc MERLIN
2017-10-17 14:05 ` Luca Coelho
2017-10-17 21:23 ` Marc MERLIN
2017-10-17 21:34 ` Luca Coelho
2017-10-18 4:59 ` Kalle Valo [this message]
2017-10-18 6:16 ` Luca Coelho
2017-10-18 9:50 ` Kalle Valo
2017-10-18 10:22 ` Luca Coelho
2017-10-20 6:35 ` Kalle Valo
2017-10-21 0:50 ` Marc MERLIN
2017-10-21 10:22 ` Marc MERLIN
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