linux-kernel - Re: tip: patches in git for irq and numa

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Message-ID: <4A1178D5.5050900@kernel.org>
Date:	Mon, 18 May 2009 08:03:49 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	Ingo Molnar <mingo@...e.hu>, Jack Steiner <steiner@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: tip: patches in git for irq and numa

Peter Zijlstra wrote:
> On Mon, 2009-05-18 at 09:29 +0200, Ingo Molnar wrote:
>> * Yinghai Lu <yinghai@...nel.org> wrote:
>>
>>> irq related:
>>> git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-2.6-yinghai.git irq
>>> need to on top of tip/irq/numa
>> ok, these were nicely structured. the pci_routeirq patch had a build 
>> bug for !CONFIG_PCI.
>>
>> ( I added an #ifdef for now, it might make sense to send a clean-up 
>>   patch in the next merge window (not now) to factor out a 
>>   pci_routeirq_enable() method that does all this cleanly. )
>>
>> Also, please add appropriate Cc: lines to the commit logs in the 
>> future, beyond the LKML-Reference tgs.
>>
>>> for memoryless node support: 
>>> git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-2.6-yinghai.git numa
>>> and it is on top of tip/master
>> small note: you could have based these on x86/mm btw. - that's where 
>> these patches go, typically.
>>
>> regarding subject lines:
>>
>>  d03a6a4: mm: clear N_HIGH_MEMORY map before se set it again -v2
>>  02ce039: x86: fix system without memory on node0 -v2
>>  8c1aec8: x86: fix node_possible_map logic -v2
>>  44a633c: x86: remove MEMORY_HOTPLUG_RESERVE related code -v2
>>
>> please never put '-v2' type of tags into the title of commits. In 
>> the title of patches they can be put here:
>>
>>   [PATCH, v2] x86: fix system without memory on node0
>>
>> that saves maintainers a bit of typing work.
>>
>> Also, you included:
>>
>>  d03a6a4: mm: clear N_HIGH_MEMORY map before se set it again -v2
>>
>> with no Acks from MM folks yet. So i skipped that one and will 
>> follow up about it.
> 
> The below seems to wreck my opteron, ata1 interrupts fail to get
> through.
> 
> 
> [    6.951257] ata1.00: qc timeout (cmd 0x27)
> [    6.955354] ata1.00: failed to read native max address (err_mask=0x4)
> [    6.961781] ata1.00: HPA support seems broken, skipping HPA handling
> [    7.273044] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> [    7.285159] ata1.00: configured for UDMA/133
> [    7.290052] scsi 0:0:0:0: Direct-Access     ATA      WDC WD1200JS-00N 10.0 PQ: 0 ANSI: 5
> [    7.299294] sd 0:0:0:0: [sda] 234441648 512-byte hardware sectors: (120 GB/111 GiB)
> [    7.306968] sd 0:0:0:0: [sda] Write Protect is off
> [    7.311754] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
> [    7.316839] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
> [    7.326312]  sda:<6>ata2: SATA link down (SStatus 4 SControl 300)
> [    7.938372] ata3: SATA link down (SStatus 4 SControl 300)
> [    8.258372] ata4: SATA link down (SStatus 4 SControl 300)
> [    8.264357] scsi 4:0:0:0: CD-ROM            TEAC     DV-516G          F4S7 PQ: 0 ANSI: 5
> [   37.704234] ata1: lost interrupt (Status 0x50)
> [   37.708695] sd 0:0:0:0: [sda] Unhandled error code
> [   37.713479] sd 0:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
> [   37.720791] end_request: I/O error, dev sda, sector 0
> [   37.725848] Buffer I/O error on device sda, logical block 0
> 
> ---
> 
> 
> commit b9c61b70075c87a8612624736faf4a2de5b1ed30
> Author: Yinghai Lu <yinghai@...nel.org>
> Date:   Wed May 6 10:10:06 2009 -0700
> 
>     x86/pci: update pirq_enable_irq() to setup io apic routing
>     
>     So we can set io apic routing only when enabling the device irq.
>     
>     This is advantageous for IRQ descriptor allocation affinity: if we set up
>     the IO-APIC entry later, we have a chance to allocate the IRQ descriptor
>     later and know which device it is on and can set affinity accordingly.
>     
>     [ Impact: standardize/enhance irq-enabling sequence for mptable irqs ]

can you post whole bootlog?
need to figure out 32bit/64bit? ACPI is disabled? MPtable is used?

also please check if pci=routeirq help to fix the problem.

YH
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