From: Baolu Lu <baolu.lu@linux.intel.com>
To: Zeno Davatz <zdavatz@gmail.com>
Cc: baolu.lu@linux.intel.com, wangxiongfeng2@huawei.com,
dwmw2@infradead.org, iommu@lists.linux.dev, joro@8bytes.org,
jroedel@suse.de, robin.murphy@arm.com, will@kernel.org,
yangyingliang@huawei.com
Subject: Re: [PATCH 1/2] iommu/vt-d: Fix PCI device reference count leak in has_external pci()
Date: Sun, 25 Dec 2022 21:52:17 +0800 [thread overview]
Message-ID: <1c3be2ab-43af-cac7-fa0b-f3118b4e714e@linux.intel.com> (raw)
In-Reply-To: <CAOkhzLWJzYoE-1b02ZLra=1FF7WjLYznf_PwMEAQWB0NGJsJhw@mail.gmail.com>
On 2022/12/25 21:37, Zeno Davatz wrote:
> On Sun, Dec 25, 2022 at 2:16 PM Baolu Lu<baolu.lu@linux.intel.com> wrote:
>> On 2022/12/25 20:11, Zeno Davatz wrote:
>>> Hi
>>>
>>> I am getting this hang with kernel 6.1. See attachment.
>>>
>>> Is this related to your patch?
>>>
>>> Kernel 6.1 does not boot for me. Kernel 6.0 was fine.
>> It seems unlikely.
>>
>> Have you located the patch through the bisect tool? Or does it boot well
>> if you revert this patch?
> I did not bisect the patch. All I currently know is that version 5.5
> and version 6.0 of the Kernel booted fine for me.
>
> I test every Kernel release and normally the boot process goes flawless.
>
> The patch I am referring to is also mentioned by Linus in the Kernel
> log, AFAICT tell the only PCI patch.
>
> https://lkml.org/lkml/2022/12/11/206
I didn't find any reference to this patch in above thread. Can you
please elaborate a bit more?
By the way, from the video you shared, the hang happens in the PCI
enumeration process. This patch touched the code that only executes
after that.
Can you please simply revert this patch and check the boot again?
--
Best regards,
baolu
next prev parent reply other threads:[~2022-12-25 13:52 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-25 12:11 [PATCH 1/2] iommu/vt-d: Fix PCI device reference count leak in has_external pci() Zeno Davatz
2022-12-25 13:16 ` Baolu Lu
2022-12-25 13:37 ` Zeno Davatz
2022-12-25 13:52 ` Baolu Lu [this message]
2022-12-25 14:03 ` Zeno Davatz
2022-12-25 14:26 ` Zeno Davatz
2022-12-25 18:56 ` Zeno Davatz
2022-12-25 13:40 ` Zeno Davatz
2022-12-26 13:29 ` [PATCH 1/2] iommu/vt-d: Fix PCI device reference count leak in has_external pci() #forregzbot Thorsten Leemhuis
2022-12-27 7:20 ` Baolu Lu
2022-12-27 7:37 ` [PATCH 1/2] iommu/vt-d: Fix PCI device reference count leak in has_external pci() Thorsten Leemhuis
2023-02-01 23:24 ` [PATCH 1/2] iommu/vt-d: Fix PCI device reference count leak in has_external pci() #forregzbot Bjorn Helgaas
2023-02-13 20:43 ` Bjorn Helgaas
-- strict thread matches above, loose matches on Subject: below --
2022-11-21 11:36 [PATCH 0/2] iommu/vt-d: Fix PCI device reference count leak Xiongfeng Wang
2022-11-21 11:36 ` [PATCH 1/2] iommu/vt-d: Fix PCI device reference count leak in has_external pci() Xiongfeng Wang
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