Re: [PATCH v1 15/25] PCI: generic: Free resource list close to where it's allocated

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Hi Bjorn,

On 6 June 2016 at 16:06, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote:
> Previously we allocated the PCI resource list in
> gen_pci_parse_request_of_pci_ranges(), but if we had an error, we freed it
> on error in gen_pci_init().
>
> Reorder gen_pci_init() so we can take care of error path cleanup in
> gen_pci_parse_request_of_pci_ranges() instead.
>
> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>

The kernelci.org bot has reported[0] new qemu-aarch64
(arm64-defconfig) boot failures[1][2] in next-20160620. I've
bisected[3] this boot failure down to this patch, and confirmed
reverting it on top of next-20160620 resolves the boot issue.

I have not investigated further, but you can easily reproduce[4] the
boot failure on an x86 host running qemu-system-aarch64 (I'm running
qemu-system 2.6).

Cheers,

Tyler

[0] https://kernelci.org/boot/all/job/next/kernel/next-20160620/
[1] https://storage.kernelci.org/next/next-20160620/arm64-defconfig/lab-cambridge/boot-apm-mustang-kvm-guest.txt
[2] https://storage.kernelci.org/next/next-20160620/arm64-defconfig/lab-tbaker/boot-qemu-aarch64,legacy.txt
[3] http://hastebin.com/segiruribu.vbs
[4] http://hastebin.com/dafuzicuyi.avrasm
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