linux-kernel - Re: [PATCH v7 3/6] PCI: Allow pci_bus_for_each

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Date:   Thu, 30 Mar 2023 18:38:50 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     kernel test robot <oliver.sang@...el.com>
Cc:     oe-lkp@...ts.linux.dev, lkp@...el.com,
        Krzysztof Wilczyński <kw@...ux.com>,
        linux-pci@...r.kernel.org,
        Mickaël Salaün <mic@...ikod.net>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Randy Dunlap <rdunlap@...radead.org>,
        Arnd Bergmann <arnd@...db.de>,
        Niklas Schnelle <schnelle@...ux.ibm.com>,
        Bjorn Helgaas <helgaas@...nel.org>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Pali Rohár <pali@...nel.org>,
        "Maciej W. Rozycki" <macro@...am.me.uk>,
        Juergen Gross <jgross@...e.com>,
        Dominik Brodowski <linux@...inikbrodowski.net>,
        linux-kernel@...r.kernel.org, linux-alpha@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-mips@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-sh@...r.kernel.org,
        sparclinux@...r.kernel.org, xen-devel@...ts.xenproject.org,
        linux-acpi@...r.kernel.org, Miguel Ojeda <ojeda@...nel.org>,
        Richard Henderson <richard.henderson@...aro.org>,
        Ivan Kokshaysky <ink@...assic.park.msu.ru>,
        Matt Turner <mattst88@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Andrew Lunn <andrew@...n.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Anatolij Gustschin <agust@...x.de>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        "David S. Miller" <davem@...emloft.net>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>
Subject: Re: [PATCH v7 3/6] PCI: Allow pci_bus_for_each_resource() to take
 less arguments

On Thu, Mar 30, 2023 at 09:24:21PM +0800, kernel test robot wrote:
> 
> Greeting,
> 
> FYI, we noticed various errors such like
>     "i40e: probe of 0000:3d:00.0 failed with error -12"
> due to commit (built with gcc-11):
> 
> commit: d23d5938fd7ced817d6aa1ff86cd671ebbaebfc2 ("[PATCH v7 3/6] PCI: Allow pci_bus_for_each_resource() to take less arguments")
> url: https://github.com/intel-lab-lkp/linux/commits/Andy-Shevchenko/kernel-h-Split-out-COUNT_ARGS-and-CONCATENATE/20230324-013857
> base: https://git.kernel.org/cgit/linux/kernel/git/pci/pci.git next
> patch link: https://lore.kernel.org/all/20230323173610.60442-4-andriy.shevchenko@linux.intel.com/
> patch subject: [PATCH v7 3/6] PCI: Allow pci_bus_for_each_resource() to take less arguments
> 
> in testcase: boot
> 
> on test machine: 96 threads 2 sockets Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz (Cascade Lake) with 512G memory
> 
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
> 
> 
> If you fix the issue, kindly add following tag
> | Reported-by: kernel test robot <oliver.sang@...el.com>
> | Link: https://lore.kernel.org/oe-lkp/202303302009.55848372-oliver.sang@intel.com

Thanks, that is useful test!

-- 
With Best Regards,
Andy Shevchenko