From: Larry Finger <Larry.Finger@lwfinger.net>
To: "Zhang, Rui" <rui.zhang@intel.com>,
"Greenman, Gregory" <gregory.greenman@intel.com>,
"Berg, Johannes" <johannes.berg@intel.com>,
"regressions@lists.linux.dev" <regressions@lists.linux.dev>
Cc: "bagasdotme@gmail.com" <bagasdotme@gmail.com>,
"davem@davemloft.net" <davem@davemloft.net>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"kvalo@kernel.org" <kvalo@kernel.org>,
"Baruch, Yaara" <yaara.baruch@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
"Torvalds, Linus" <torvalds@linux-foundation.org>,
"Ben Ami, Golan" <golan.ben.ami@intel.com>,
"edumazet@google.com" <edumazet@google.com>,
"Sisodiya, Mukesh" <mukesh.sisodiya@intel.com>,
"kuba@kernel.org" <kuba@kernel.org>,
"pabeni@redhat.com" <pabeni@redhat.com>
Subject: Re: [Regression][BISECTED] kernel boot hang after 19898ce9cf8a ("wifi: iwlwifi: split 22000.c into multiple files")
Date: Sun, 9 Jul 2023 11:28:02 -0500 [thread overview]
Message-ID: <b4063a55-be7c-8f3a-2529-e1211080d323@lwfinger.net> (raw)
In-Reply-To: <4153ce0aac6dc760a3a9c7204c5c9141b60839a4.camel@intel.com>
On 7/9/23 08:27, Zhang, Rui wrote:
> On Sat, 2023-07-08 at 16:17 +0200, Thorsten Leemhuis wrote:
>> On 07.07.23 12:55, Linux regression tracking (Thorsten Leemhuis)
>> wrote:
>>> On 07.07.23 10:25, Zhang, Rui wrote:
>>>>
>>>> I run into a NULL pointer dereference and kernel boot hang after
>>>> switching to latest upstream kernel, and git bisect shows that
>>>> below
>>>> commit is the first offending commit, and I have confirmed that
>>>> commit
>>>> 19898ce9cf8a has the issue while 19898ce9cf8a~1 does not.
>>>
>>> FWIW, this is the fourth such report about this that I'm aware of.
>>>
>>> The first is this one (with two affected users afaics):
>>> https://bugzilla.kernel.org/show_bug.cgi?id=217622
>>>
>>> The second is this one:
>>> https://lore.kernel.org/all/CAAJw_Zug6VCS5ZqTWaFSr9sd85k%3DtyPm9DEE%2BmV%3DAKoECZM%2BsQ@mail.gmail.com/
>>>
>>> The third:
>>> https://lore.kernel.org/all/9274d9bd3d080a457649ff5addcc1726f08ef5b2.camel@xry111.site/
>>>
>>> And in the past few days two people from Fedora land talked to me
>>> on IRC
>>> with problems that in retrospective might be caused by this as
>>> well.
>>
>> I got confirmation: one of those cases is also caused by 19898ce9cf8a
>> But I write for a different reason:
>>
>> Larry (now CCed) looked at the culprit and spotted something that
>> looked
>> suspicious to him; he posted a patch and looks for testers:
>> https://lore.kernel.org/all/0068af47-e475-7e8d-e476-c374e90dff5f@lwfinger.net/
>
> I applied this patch but the problem still exists.
>
> thanks,
> rui
Rui,
I am not surprised that the patch did not help. I guess you will need to stay
with kernel 6.3.X until the Intel developers return from their summer break.
Larry
next prev parent reply other threads:[~2023-07-09 16:32 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-07 8:25 [Regression][BISECTED] kernel boot hang after 19898ce9cf8a ("wifi: iwlwifi: split 22000.c into multiple files") Zhang, Rui
2023-07-07 10:55 ` Linux regression tracking (Thorsten Leemhuis)
2023-07-08 14:17 ` Thorsten Leemhuis
2023-07-09 13:27 ` Zhang, Rui
2023-07-09 16:28 ` Larry Finger [this message]
2023-07-09 16:31 ` Linus Torvalds
2023-07-09 18:07 ` Johannes Berg
2023-07-10 1:54 ` Zhang, Rui
2023-07-10 10:39 ` Linux regression tracking (Thorsten Leemhuis)
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