Search Linux Wireless

Re: iwlwifi: Regression after migrating to 6.6.32

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Fabio Estevam <festevam@xxxxxxxxx>, Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Subject: Re: iwlwifi: Regression after migrating to 6.6.32
From: Baochen Qiang <quic_bqiang@xxxxxxxxxxx>
Date: Thu, 13 Jun 2024 15:10:35 +0800
Cc: <miriam.rachel.korenblit@xxxxxxxxx>, <kvalo@xxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, linux-wireless <linux-wireless@xxxxxxxxxxxxxxx>, linux-kernel <linux-kernel@xxxxxxxxxxxxxxx>
In-reply-to: <CAOMZO5CMX_juW4-t6CSd2xdzXkFfBiamuSTjsTB80Ly_TUsxRA@mail.gmail.com>
References: <CAOMZO5A7+nxACoBPY0k8cOpVQByZtEV_N1489MK5wETHF_RXWA@mail.gmail.com> <3fbb5317d9ff33ef1b60ca8297537335ce86a79d.camel@sipsolutions.net> <CAOMZO5Aufe7zAE7TFVprvRreamYd9=RHjybjaEz2O9WaPksV=Q@mail.gmail.com> <95163ee547da95964c16f87a38d3326ae4da3253.camel@sipsolutions.net> <CAOMZO5CYDsh70u3To7HYXVki_MzzhFyCCHkigt_Es7o_+XG3oA@mail.gmail.com> <7a8e220d77d7e30a0cfaf984404ef2f57eaa785f.camel@sipsolutions.net> <CAOMZO5BktgtaSPzCf3WOOnkD2n+fj3FeQEfHeT7CYFL+tCHeaw@mail.gmail.com> <fb60b7f5bcf5ba47be54398225075a5bfab7c141.camel@sipsolutions.net> <CAOMZO5CMX_juW4-t6CSd2xdzXkFfBiamuSTjsTB80Ly_TUsxRA@mail.gmail.com>
User-agent: Mozilla Thunderbird


On 6/13/2024 3:15 AM, Fabio Estevam wrote:
> Hi Johannes,
> 
> On Wed, Jun 12, 2024 at 4:10 PM Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote:
> 
>> Strange. Is there an IOMMU involved on this platform?
> 
> IOMMU isn't available on i.MX8M as far as I know.
If IOMMU not present, likely the buffer is mapped by SWIOTLB. The iova 4215433216, aka 0xFB426800, is 2K aligned, which also supports such guessing. See definition of IO_TLB_SIZE.

> 
> Interestingly, such a warning does not happen with the 5.10 kernel.
> 
> I only noticed it yesterday, after migrating to 6.6.32.
> 
> Thanks
>

Follow-Ups:
- Re: iwlwifi: Regression after migrating to 6.6.32
  - From: Johannes Berg

References:
- iwlwifi: Regression after migrating to 6.6.32
  - From: Fabio Estevam
- Re: iwlwifi: Regression after migrating to 6.6.32
  - From: Johannes Berg
- Re: iwlwifi: Regression after migrating to 6.6.32
  - From: Fabio Estevam
- Re: iwlwifi: Regression after migrating to 6.6.32
  - From: Johannes Berg
- Re: iwlwifi: Regression after migrating to 6.6.32
  - From: Fabio Estevam
- Re: iwlwifi: Regression after migrating to 6.6.32
  - From: Johannes Berg
- Re: iwlwifi: Regression after migrating to 6.6.32
  - From: Fabio Estevam
- Re: iwlwifi: Regression after migrating to 6.6.32
  - From: Johannes Berg
- Re: iwlwifi: Regression after migrating to 6.6.32
  - From: Fabio Estevam

Prev by Date: Re: iwlwifi: Regression after migrating to 6.6.32
Next by Date: brcmfmac: implement basic AP-follow-STA
Previous by thread: Re: iwlwifi: Regression after migrating to 6.6.32
Next by thread: Re: iwlwifi: Regression after migrating to 6.6.32
Index(es):
- Date
- Thread

[Index of Archives] [Linux Host AP] [ATH6KL] [Linux Wireless Personal Area Network] [Linux Bluetooth] [Wireless Regulations] [Linux Netdev] [Kernel Newbies] [Linux Kernel] [IDE] [Git] [Netfilter] [Bugtraq] [Yosemite Hiking] [MIPS Linux] [ARM Linux] [Linux RAID]