linux-kernel - Re: linux-next: Tree for Nov 14

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Message-ID: <54682618.1070508@linux.intel.com>
Date:	Sun, 16 Nov 2014 12:20:40 +0800
From:	Jiang Liu <jiang.liu@...ux.intel.com>
To:	Guenter Roeck <linux@...ck-us.net>,
	Stephen Rothwell <sfr@...b.auug.org.au>
CC:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: linux-next: Tree for Nov 14


On 2014/11/16 11:22, Guenter Roeck wrote:
> On 11/15/2014 06:33 PM, Jiang Liu wrote:
>> Hi Guenter,
>>     Could you please help to provide the config file and
>> error messages?
> 
> Config file:
>     https://github.com/groeck/linux-build-test/blob/master/rootfs/x86/qemu_x86_pc_nosmp_defconfig
Hi Guenter,
	Thanks for help. According to the above configuration file:
CONFIG_PCI_MSI is enabled, but CONFIG_X86_LOCAL_APIC and
CONFIG_X86_IO_APIC are both disabled. But the Kconfig for X86_LOCAL_APIC
is defined as:
config X86_LOCAL_APIC
        def_bool y
        depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_APIC
|| PCI_MSI
        select GENERIC_IRQ_LEGACY_ALLOC_HWIRQ

That means CONFIG_X86_LOCAL_APIC should be enabled if CONFIG_PCI_MSI is
enabled. So how did you generate the qemu_x86_pc_nosmp_defconfig? Are
you using an old configuration file?
Thanks!
Gerry

> 
> 
> Error log:
>     http://server.roeck-us.net:8010/builders/qemu-x86-next/builds/44/steps/qemubuildcommand/logs/stdio
> 
> 
> You can find the root file system used for the test as well as the test
> script at
>     https://github.com/groeck/linux-build-test/tree/master/rootfs/x86
> 
> There isn't really an error message, though - the boot stalls until the
> controlling daemon
> kills the qemu session.
> 
> Guenter
> 
>> Thanks!
>> Gerry
>>
>> On 2014/11/16 5:19, Guenter Roeck wrote:
>>> On Fri, Nov 14, 2014 at 07:27:38PM +1100, Stephen Rothwell wrote:
>>>> Hi all,
>>>>
>>>> Changes since 20141113:
>>>>
>>>> New tree: overlayfs
>>>>
>>>> The idle tree gained a conflict against Linus' tree.
>>>>
>>>> The scsi tree gained a conflict against the usb tree.
>>>>
>>>> Non-merge commits (relative to Linus' tree): 6264
>>>>   6509 files changed, 209171 insertions(+), 167101 deletions(-)
>>>>
>>>
>>> I bisected the x86-nosmp qemu runtime failure I have seen for
>>> the last few days. Here is the result:
>>>
>>> bb46613f7099f70bc68c1c684cfa22d6863cd8eb is the first bad commit
>>> commit bb46613f7099f70bc68c1c684cfa22d6863cd8eb
>>> Author: Jiang Liu <jiang.liu@...ux.intel.com>
>>> Date:   Mon Oct 27 16:12:06 2014 +0800
>>>
>>>      x86, irq: Make MSI and HT_IRQ indepenent of X86_IO_APIC
>>>
>>> Detailed log:
>>>
>>> git bisect start 'HEAD' 'v3.18-rc4'
>>> # good: [97bf3e2baed8f45432933bf15535061fb5acda44] Merge
>>> remote-tracking branch 'sound-asoc/for-next'
>>> git bisect good 97bf3e2baed8f45432933bf15535061fb5acda44
>>> # bad: [d23dcf93e7ad8004ef80726717f700316e53f44d] Merge
>>> remote-tracking branch 'usb-serial/usb-next'
>>> git bisect bad d23dcf93e7ad8004ef80726717f700316e53f44d
>>> # bad: [cff78d32f4c15b7b2cb173c8e6097c513f406da0] Merge
>>> remote-tracking branch 'kvm/linux-next'
>>> git bisect bad cff78d32f4c15b7b2cb173c8e6097c513f406da0
>>> # good: [09dc3f20206821e06b1b281b1ae4451777f707c4] Merge
>>> remote-tracking branch 'audit/next'
>>> git bisect good 09dc3f20206821e06b1b281b1ae4451777f707c4
>>> # bad: [caf0fea9e728916a92c508988fd2ae84a08c280b] Merge branch
>>> 'x86/vdso'
>>> git bisect bad caf0fea9e728916a92c508988fd2ae84a08c280b
>>> # good: [9aa5f98820067b00456c42347fc0ff48d2d2474f] Merge branch
>>> 'sched/urgent'
>>> git bisect good 9aa5f98820067b00456c42347fc0ff48d2d2474f
>>> # bad: [46fe562d914fde0a43ee339a0fcfd4af829cb8f7] Merge branch
>>> 'x86/boot'
>>> git bisect bad 46fe562d914fde0a43ee339a0fcfd4af829cb8f7
>>> # good: [b26ea43d0bb1539ce047206a57c7fd8d636e7f22] x86, irq: Protect
>>> __clear_irq_vector() with vector_lock
>>> git bisect good b26ea43d0bb1539ce047206a57c7fd8d636e7f22
>>> # bad: [e1d8f79a27a41493c8f1ad0bde440048e17f9494] iommu/amd: Use
>>> helpers to access irq_cfg data structure associated with IRQ
>>> git bisect bad e1d8f79a27a41493c8f1ad0bde440048e17f9494
>>> # good: [051825cab15c8180f2f0dbc3a9de5a3db7476065] x86, irq: Move HT
>>> IRQ related code from io_apic.c into htirq.c
>>> git bisect good 051825cab15c8180f2f0dbc3a9de5a3db7476065
>>> # bad: [bb46613f7099f70bc68c1c684cfa22d6863cd8eb] x86, irq: Make MSI
>>> and HT_IRQ indepenent of X86_IO_APIC
>>> git bisect bad bb46613f7099f70bc68c1c684cfa22d6863cd8eb
>>> # good: [b09198f7b59101e52bcf238ed3b7bfc64de055ef] x86, irq: Move IRQ
>>> initialization routines from io_apic.c into vector.c
>>> git bisect good b09198f7b59101e52bcf238ed3b7bfc64de055ef
>>> # first bad commit: [bb46613f7099f70bc68c1c684cfa22d6863cd8eb] x86,
>>> irq: Make MSI and HT_IRQ indepenent of X86_IO_APIC
>>>
>>> I'll be happy to provide the configuration if needed.
>>>
>>> Guenter
>>> -- 
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>>
> 
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