Re: Fwd: Kernel 6.5.2 Causes Marvell Technology Group 88SE9128 PCIe SATA to Constantly Reset

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On 9/15/23 12:22, David Gow wrote:
> Le 2023/09/13 à 23:12, Niklas Cassel a écrit :
>> On Wed, Sep 13, 2023 at 06:25:31PM +0700, Bagas Sanjaya wrote:
>>> Hi,
>>>
>>> I notice a regression report on Bugzilla [1]. Quoting from it:
>>>
>>>> After upgrading to 6.5.2 from 6.4.12 I keep getting the following kernel messages around three times per second:
>>>>
>>>> [ 9683.269830] ata16: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
>>>> [ 9683.270399] ata16.00: configured for UDMA/66
>>>>
>>>> So I've tracked the offending device:
>>>>
>>>> ll /sys/class/ata_port/ata16
>>>> lrwxrwxrwx 1 root root 0 Sep 10 21:51 /sys/class/ata_port/ata16 -> ../../devices/pci0000:00/0000:00:1c.7/0000:0a:00.0/ata16/ata_port/ata16
>>>>
>>>> cat /sys/bus/pci/devices/0000:0a:00.0/uevent
>>>> DRIVER=ahci
>>>> PCI_CLASS=10601
>>>> PCI_ID=1B4B:9130
>>>> PCI_SUBSYS_ID=1043:8438
>>>> PCI_SLOT_NAME=0000:0a:00.0
>>>> MODALIAS=pci:v00001B4Bd00009130sv00001043sd00008438bc01sc06i01
>>>>
>>>> lspci | grep 0a:00.0
>>>> 0a:00.0 SATA controller: Marvell Technology Group Ltd. 88SE9128 PCIe SATA 6 Gb/s RAID controller with HyperDuo (rev 11)
>>>>
>>>> I am not using the 88SE9128, so I have no way of knowing whether it works or not. It may simply be getting reset a couple of times per second or it may not function at all.
>>>
>>> See Bugzilla for the full thread.
>>>
>>> patenteng: I have asked you to bisect this regression. Any conclusion?
>>>
>>> Anyway, I'm adding this regression to regzbot:
>>>
>>> #regzbot: introduced: v6.4..v6.5 https://bugzilla.kernel.org/show_bug.cgi?id=217902
>>
>> Hello Bagas, patenteng,
>>
>>
>> FYI, the prints:
>> [ 9683.269830] ata16: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
>> [ 9683.270399] ata16.00: configured for UDMA/66
>>
>> Just show that ATA error handler has been invoked.
>> There was no reset performed.
>>
>> If there was a reset, you would have seen something like:
>> [    1.441326] ata8: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>> [    1.541250] ata8.00: configured for UDMA/133
>> [    1.541411] ata8: hard resetting link
>>
>>
>> Could you please try this patch and see if it improves things for you:
>> https://lore.kernel.org/linux-ide/20230913150443.1200790-1-nks@xxxxxxxxxxx/T/#u
>>
> 
> FWIW, I'm seeing a very similar issue both in 6.5.2 and in git master 
> [aed8aee11130 ("Merge tag 'pmdomain-v6.6-rc1' of 
> git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm") with that 
> patch applied.
> 
> 
> The log is similar (the last two lines repeat several times a second):
> [    0.369632] ata14: SATA max UDMA/133 abar m2048@0xf7c10000 port 
> 0xf7c10480 irq 33
> [    0.683693] ata14: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> [    1.031662] ata14.00: ATAPI: MARVELL VIRTUALL, 1.09, max UDMA/66
> [    1.031852] ata14.00: configured for UDMA/66
> [    1.414145] ata14: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> [    1.414505] ata14.00: configured for UDMA/66
> [    1.744094] ata14: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> [    1.744368] ata14.00: configured for UDMA/66
> [    2.073916] ata14: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> [    2.074276] ata14.00: configured for UDMA/66
> 
> 
> lspci shows:
> 09:00.0 SATA controller: Marvell Technology Group Ltd. 88SE9230 PCIe 2.0 
> x2 4-port SATA 6 Gb/s RAID Controller (rev 10) (prog-if 01 [AHCI 1.0])
>          Subsystem: Gigabyte Technology Co., Ltd Device b000
>          Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- 
> ParErr- Stepping- SERR- FastB2B- DisINTx+
>          Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>          Latency: 0, Cache Line Size: 64 bytes
>          Interrupt: pin A routed to IRQ 33
>          Region 0: I/O ports at b050 [size=8]
>          Region 1: I/O ports at b040 [size=4]
>          Region 2: I/O ports at b030 [size=8]
>          Region 3: I/O ports at b020 [size=4]
>          Region 4: I/O ports at b000 [size=32]
>          Region 5: Memory at f7c10000 (32-bit, non-prefetchable) [size=2K]
>          Expansion ROM at f7c00000 [disabled] [size=64K]
>          Capabilities: <access denied>
>          Kernel driver in use: ahci
> 
> The controller in question lives on a Gigabyte Z87X-UD5H-CF motherboard. 
> I'm using the controller for several drives, and it's working, it's just 
> spammy. (At worst, there's some performance hitching, but that might 
> just be journald rotating logs as they fill up with the message).
> 
> I haven't had a chance to bisect yet (this is a slightly awkward machine 
> for me to install test kernels on), but can also confirm it worked with 
> 6.4.12.
> 
> Hopefully that's useful. I'll get back to you if I manage to bisect it.

Bisect will definitely be welcome. But first, please try adding the patch that
Niklas mentioned above:

https://lore.kernel.org/linux-ide/20230913150443.1200790-1-nks@xxxxxxxxxxx/T/#u

If that fixes the issue, we know the culprit :)

> 
> Cheers,
> -- David

-- 
Damien Le Moal
Western Digital Research




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