Re: [regression] Bug 217218 - Trying to boot Linux version 6-2.2 kernel with Marvell SATA controller 88SE9235

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Hi, Thorsten here, the Linux kernel's regression tracker. Top-posting
for once, to make this easily accessible to everyone.

I might be missing something, but it looks to me like this regression
was never fixed in mainline. Which is strange, as we apparently had a
patch from Robin that fixed the issue for the reporter.

Did it fall through the cracks or what am I missing?

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
If I did something stupid, please tell me, as explained on that page.

#regzbot poke

On 25.04.23 15:58, Jason Adriaanse wrote:
> I am happy to report that the change worked, this is what
> drivers/pci/quirks.c looks like
> 
> /* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c49 */
> DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9230,
>                          quirk_dma_func1_alias);
> /* https://bugzilla.kernel.org/show_bug.cgi?id=217218 */
> DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9235,
>                          quirk_dma_func1_alias);
> DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TTI, 0x0642,
>                          quirk_dma_func1_alias);
> 
> Relevant output of dmesg -T with the new kernel running
> 
> Tue Apr 25 21:45:13 2023] scsi host0: ahci
> [Tue Apr 25 21:45:13 2023] scsi host1: ahci
> [Tue Apr 25 21:45:13 2023] scsi host2: ahci
> [Tue Apr 25 21:45:13 2023] scsi host3: ahci
> [Tue Apr 25 21:45:13 2023] ata1: SATA max UDMA/133 abar m2048@0xf7d06000
> port 0xf7d06100 irq 40
> [Tue Apr 25 21:45:13 2023] ata2: SATA max UDMA/133 abar m2048@0xf7d06000
> port 0xf7d06180 irq 40
> [Tue Apr 25 21:45:13 2023] ata3: DUMMY
> [Tue Apr 25 21:45:13 2023] ata4: DUMMY
> [Tue Apr 25 21:45:13 2023] igb 0000:05:00.0 enp5s0: renamed from eth0
> [Tue Apr 25 21:45:13 2023] ahci 0000:07:00.0: AHCI 0001.0000 32 slots 4
> ports 6 Gbps 0xf impl SATA mode
> [Tue Apr 25 21:45:13 2023] ahci 0000:07:00.0: flags: 64bit ncq sntf led
> only pmp fbs pio slum part sxs
> [Tue Apr 25 21:45:13 2023] scsi host4: ahci
> [Tue Apr 25 21:45:13 2023] scsi host5: ahci
> [Tue Apr 25 21:45:13 2023] scsi host6: ahci
> [Tue Apr 25 21:45:13 2023] scsi host7: ahci
> [Tue Apr 25 21:45:13 2023] ata5: SATA max UDMA/133 abar m2048@0xf7b10000
> port 0xf7b10100 irq 41
> [Tue Apr 25 21:45:13 2023] ata6: SATA max UDMA/133 abar m2048@0xf7b10000
> port 0xf7b10180 irq 41
> [Tue Apr 25 21:45:13 2023] ata7: SATA max UDMA/133 abar m2048@0xf7b10000
> port 0xf7b10200 irq 41
> [Tue Apr 25 21:45:13 2023] ata8: SATA max UDMA/133 abar m2048@0xf7b10000
> port 0xf7b10280 irq 41
> [Tue Apr 25 21:45:13 2023] usb 1-1: new high-speed USB device number 2
> using ehci-pci
> [Tue Apr 25 21:45:14 2023] usb 3-1: new high-speed USB device number 2
> using ehci-pci
> [Tue Apr 25 21:45:14 2023] ata8: SATA link up 6.0 Gbps (SStatus 133
> SControl 300)
> [Tue Apr 25 21:45:14 2023] ata6: SATA link up 6.0 Gbps (SStatus 133
> SControl 300)
> [Tue Apr 25 21:45:14 2023] ata7: SATA link up 6.0 Gbps (SStatus 133
> SControl 300)
> [Tue Apr 25 21:45:14 2023] ata5: SATA link up 6.0 Gbps (SStatus 133
> SControl 300)
> [Tue Apr 25 21:45:14 2023] ata7.00: ATA-9: WDC WD40EFRX-68WT0N0,
> 80.00A80, max UDMA/133
> [Tue Apr 25 21:45:14 2023] ata6.00: ATA-9: WDC WD40EFRX-68WT0N0,
> 80.00A80, max UDMA/133
> [Tue Apr 25 21:45:14 2023] ata8.00: ATA-9: WDC WD40EFRX-68WT0N0,
> 80.00A80, max UDMA/133
> [Tue Apr 25 21:45:14 2023] ata5.00: ATA-10: CT2000BX500SSD1, M6CR030,
> max UDMA/133
> [Tue Apr 25 21:45:14 2023] ata6.00: 7814037168 sectors, multi 0: LBA48
> NCQ (depth 32), AA
> [Tue Apr 25 21:45:14 2023] ata7.00: 7814037168 sectors, multi 0: LBA48
> NCQ (depth 32), AA
> [Tue Apr 25 21:45:14 2023] ata8.00: 7814037168 sectors, multi 0: LBA48
> NCQ (depth 32), AA
> [Tue Apr 25 21:45:14 2023] ata5.00: 3907029168 sectors, multi 1: LBA48
> NCQ (depth 32), AA
> [Tue Apr 25 21:45:14 2023] ata6.00: configured for UDMA/133
> [Tue Apr 25 21:45:14 2023] ata7.00: configured for UDMA/133
> [Tue Apr 25 21:45:14 2023] ata8.00: configured for UDMA/133
> [Tue Apr 25 21:45:14 2023] ata1: SATA link down (SStatus 0 SControl 300)
> [Tue Apr 25 21:45:14 2023] ata5.00: Features: Dev-Sleep
> [Tue Apr 25 21:45:14 2023] ata5.00: configured for UDMA/133
> [Tue Apr 25 21:45:14 2023] usb 1-1: New USB device found, idVendor=8087,
> idProduct=0024, bcdDevice= 0.00
> [Tue Apr 25 21:45:14 2023] usb 1-1: New USB device strings: Mfr=0,
> Product=0, SerialNumber=0
> [Tue Apr 25 21:45:14 2023] hub 1-1:1.0: USB hub found
> [Tue Apr 25 21:45:14 2023] hub 1-1:1.0: 4 ports detected
> [Tue Apr 25 21:45:14 2023] usb 3-1: New USB device found, idVendor=8087,
> idProduct=0024, bcdDevice= 0.00
> [Tue Apr 25 21:45:14 2023] usb 3-1: New USB device strings: Mfr=0,
> Product=0, SerialNumber=0
> [Tue Apr 25 21:45:14 2023] hub 3-1:1.0: USB hub found
> [Tue Apr 25 21:45:14 2023] hub 3-1:1.0: 6 ports detected
> [Tue Apr 25 21:45:14 2023] ata2: SATA link down (SStatus 0 SControl 300)
> [Tue Apr 25 21:45:14 2023] scsi 4:0:0:0: Direct-Access ATA     
> CT2000BX500SSD1  030  PQ: 0 ANSI: 5
> [Tue Apr 25 21:45:14 2023] scsi 5:0:0:0: Direct-Access ATA      WDC
> WD40EFRX-68W 0A80 PQ: 0 ANSI: 5
> [Tue Apr 25 21:45:14 2023] scsi 6:0:0:0: Direct-Access ATA      WDC
> WD40EFRX-68W 0A80 PQ: 0 ANSI: 5
> [Tue Apr 25 21:45:14 2023] scsi 7:0:0:0: Direct-Access ATA      WDC
> WD40EFRX-68W 0A80 PQ: 0 ANSI: 5
> 
> Thanks everyone for all your help.
> 
> Jason
> 
> 
> On 25/04/2023 19:37, Robin Murphy wrote:
>> On 2023-04-25 05:17, Jason Adriaanse wrote:
>>> Ok great,
>>>
>>> I take it a change needs to be made in
>>> drivers/pci/quirks.c
>>> ?
>>> I do not mind making the change locally here and letting you know if
>>> it works or not.
>>
>> Indeed, something like this (make sure the IDs actually match what your
>> device reports, I'm just guessing):
>>
>>
>> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
>> index 44cab813bf95..a9166e886b75 100644
>> --- a/drivers/pci/quirks.c
>> +++ b/drivers/pci/quirks.c
>> @@ -4161,6 +4161,8 @@
>> DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9220,
>>  /* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c49 */
>>  DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9230,
>>               quirk_dma_func1_alias);
>> +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9235,
>> +             quirk_dma_func1_alias);
>>  DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TTI, 0x0642,
>>               quirk_dma_func1_alias);
>>  DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TTI, 0x0645,
>>
>>
>> Marvell themselves seem to lump the 88SE92xx products together as a
>> closely-related family, so given that we do have quirks for 3 of the 4
>> already, this one does rather seem conspicuous by its absence...
>>
>> Thanks,
>> Robin.
>>
>>> On 24/04/2023 22:07, Robin Murphy wrote:
>>>> On 2023-04-24 14:44, Jason Adriaanse wrote:
>>>>> I took out "iommu=soft" and the server failed to boot, so yes it
>>>>> does break.
>>>>>
>>>>> The first error was
>>>>> ata7.00: Failed to IDENTIFY (INIT_DEV_PARAMS failed , err_mask=0x80)
>>>>
>>>> OK, great, that confirms the underlying issue existed all along, so
>>>> the regression is only a change in who wins a fight between certain
>>>> conflicting command-line arguments, which is arguably not so critical.
>>>>
>>>> The rest of the evidence points to 88SE9235 wanting the same phantom
>>>> function quirk as most other Marvell controllers, since although
>>>> it's apparently been half-fixed such that DMA for two of the ports
>>>> is being correctly emitted from function 0 - given that you say two
>>>> of the disks *are* detected OK - the other two are still claiming to
>>>> be function 1 after all.
>>>>
>>>> Thanks,
>>>> Robin.
>>>>
>>>>> On 24/04/2023 21:20, Robin Murphy wrote:
>>>>>> On 2023-04-22 07:25, Jason Adriaanse wrote:
>>>>>>> Hi Christoph,
>>>>>>>
>>>>>>> Sorry for my late reply, I have been on the road.
>>>>>>>
>>>>>>> So, if I boot with
>>>>>>> intel_iommu=off
>>>>>>> Then the server boots fine..although that is not a solution
>>>>>>> because I need Intel iommu for virtualisation.
>>>>>>>
>>>>>>> Also, I build all my kernels with CONFIG_INTEL_IOMMU=y
>>>>>>>
>>>>>>
>>>>>> If you boot 5.15 *without* the "iommu=soft" argument, just
>>>>>> "intel_iommu=on", does that also break?
>>>>>>
>>>>>> Robin.
> 
> 



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