From: Larry Finger <Larry.Finger@lwfinger.net>
To: Kalle Valo <kvalo@kernel.org>, Ping-Ke Shih <pkshih@realtek.com>
Cc: rb <rb0171610@gmail.com>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: New binary rtw8852b_fw.bin not loading firmware not recognized
Date: Fri, 17 Mar 2023 00:55:45 -0500 [thread overview]
Message-ID: <b4ced875-310f-8469-137f-7cee0c0ea336@lwfinger.net> (raw)
In-Reply-To: <87a60cvu3v.fsf@kernel.org>
On 3/17/23 00:12, Kalle Valo wrote:
> Ping-Ke Shih <pkshih@realtek.com> writes:
>
>>> -----Original Message-----
>>> From: rb <rb0171610@gmail.com>
>>> Sent: Friday, March 17, 2023 6:48 AM
>>> To: linux-wireless@vger.kernel.org
>>> Subject: New binary rtw8852b_fw.bin not loading firmware not recognized
>>>
>>> Briefly,
>>>
>>> I use rtw89_8852be in kernel driver
>>>
>>> HARDWARE:
>>> Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:b852]
>>>
>>> Lenovo Ideapad 1i
>>>
>>> ISSUE:
>>> Newest version of binary firmware 2023_03_10,
>>> rtw89/rtw8852b_fw.bin, will not load/firmware not recognized on Linux Kernel 6.2.5 (and others):
>>>
>>> [] loading firmare: rwt89/rtw8852b_fw.bin
>>> [] rtw89_8852be 0000:03:00.0: no suitable firmware found
>>> [] rtw89_8852be 0000:03:00.0: failed to recognize firmware
>>>
>>> Issue persists regardless of which 6.2 series kernel is used.
>>>
>>> All previous rwt89/rtw8852b_fw.bin firmware from linux-firmware 2023_02_10 and earlier loads and works
>>> correctly.
>>>
>>> I did file a bug report with the details:
>>>
>>> https://bugzilla.kernel.org/show_bug.cgi?id=217207
>>>
>>
>> The firmware format is changed, and wireless-next tree or upcoming 6.3 will
>> support it. I will also post this information on the bug.
>
> We cannot break user space like that, linux-firmware needs to be
> backwards compatible. In other words, anything you submit to
> linux-firmware needs to work with old kernels. Should this new firmware
> be reverted from linux-firmware?
>
> What about changes in the rtw89 driver? Do they still work with old
> firmware?
Kalle,
This is an unfortunate situation that I did not learn about until this week. As
you have seen, my download site has the old firmware.
The latest driver will work with either version of the firmware.
Larry
next prev parent reply other threads:[~2023-03-17 5:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-16 22:47 New binary rtw8852b_fw.bin not loading firmware not recognized rb
2023-03-17 0:35 ` Ping-Ke Shih
2023-03-17 5:12 ` Kalle Valo
2023-03-17 5:55 ` Larry Finger [this message]
2023-03-17 7:29 ` Ping-Ke Shih
2023-03-17 8:57 ` Kalle Valo
2023-03-17 5:53 ` Larry Finger
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