From: Bjorn Helgaas <helgaas@kernel.org>
To: "Krzysztof Hałasa" <khalasa@piap.pl>
Cc: "Pali Rohár" <pali@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
"Lorenzo Pieralisi" <lorenzo.pieralisi@arm.com>,
"Gregory Clement" <gregory.clement@bootlin.com>,
"Andrew Lunn" <andrew@lunn.ch>,
"Krzysztof Wilczyński" <kw@linux.com>
Subject: Re: PCI: Race condition in pci_create_sysfs_dev_files (can't boot)
Date: Fri, 21 Jan 2022 10:57:07 -0600 [thread overview]
Message-ID: <20220121165707.GA1129091@bhelgaas> (raw)
In-Reply-To: <m3bl05zhjt.fsf@t19.piap.pl>
On Fri, Jan 21, 2022 at 08:14:46AM +0100, Krzysztof Hałasa wrote:
> Hi Bjorn, Krzysztof,
>
> Bjorn Helgaas <helgaas@kernel.org> writes:
>
> > On Fri, Jul 30, 2021 at 10:18:44AM +0200, Krzysztof Hałasa wrote:
> >> I'm encountering a problem booting an i.MX6-based device (Gateworks
> >> Ventana SBC). This is apparently a known issue:
> >> https://lkml.org/lkml/2020/7/16/388
>
> > Hi Krzysztof, is this still an issue?
>
> Well... I'm still using i.MX6 with 5.14 and Krzysiek Wilczyński's "PCI:
> Race condition in pci_create_sysfs_dev_files (can't boot)" patch (which
> fixes the problem). It seems parts of this patch are now in mainline,
> but most of it is still missing. So I guess the problem isn't fixed.
>
> Perhaps because the DEC Alpha part of the patch is not yet ready?
> Krzysztof?
>
> > e1d3f3268b0e ("PCI/sysfs: Convert "config" to static attribute") and
> > similar patches appeared in v5.13,
>
> Right, but they hadn't fixed the problem. 5.13 was released in June, and
> I have started using the patch in August (apparently with pre-5.14
> first, then with final 5.14).
Thanks. e1d3f3268b0e and related patches converted individual files
("config", "rom", "vpd", etc) to static attributes, but since the
problem you're seeing is with a directory, it's likely different.
I opened this bugzilla report to try to keep this from getting lost:
https://bugzilla.kernel.org/show_bug.cgi?id=215515
Bjorn
next prev parent reply other threads:[~2022-01-21 16:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-30 8:18 PCI: Race condition in pci_create_sysfs_dev_files (can't boot) Krzysztof Hałasa
2021-07-30 9:49 ` Pali Rohár
2022-01-20 23:00 ` Bjorn Helgaas
2022-01-21 7:14 ` Krzysztof Hałasa
2022-01-21 16:57 ` Bjorn Helgaas [this message]
2022-01-31 11:56 ` Krzysztof Hałasa
2022-02-08 23:40 ` Bjorn Helgaas
2022-02-11 12:31 ` Krzysztof Hałasa
2022-02-15 6:35 ` Krzysztof Hałasa
2022-04-01 13:50 ` Koen Vandeputte
2022-04-06 14:08 ` Koen Vandeputte
2022-04-13 12:52 ` Koen Vandeputte
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