Date: Sat, 26 Mar 2016 12:23:41 +0300 From: Ruslan Makhmatkhanov <rm@FreeBSD.org> To: Ian Lepore <ian@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: SD card adapter doesn't working anymore Message-ID: <56F6551D.1010308@FreeBSD.org> In-Reply-To: <1458954555.1091.94.camel@freebsd.org> References: <56F5A0A9.8030207@FreeBSD.org> <1458947510.1091.91.camel@freebsd.org> <56F5CCDA.2060808@FreeBSD.org> <1458954555.1091.94.camel@freebsd.org>
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Ian Lepore wrote on 03/26/16 04:09 AM:
> On Sat, 2016-03-26 at 02:42 +0300, Ruslan Makhmatkhanov wrote:
>> Ian Lepore wrote on 03/26/16 02:11 AM:
>>> On Fri, 2016-03-25 at 23:33 +0300, Ruslan Makhmatkhanov wrote:
>>>> Hello,
>>>>
>>>> I have this in pciconf output:
>>>>
>>>> =================================================================
>>>> ====
>>>> =
>>>> none1@pci0:36:0:0: class=0x088000 card=0x167e103c
>>>> chip=0x2392197b
>>>> rev=0x30 hdr=0x00
>>>> vendor = 'JMicron Technology Corp.'
>>>> device = 'SD/MMC Host Controller'
>>>> class = base peripheral
>>>>
>>>> none2@pci0:36:0:3: class=0x088000 card=0x167e103c
>>>> chip=0x2393197b
>>>> rev=0x30 hdr=0x00
>>>> vendor = 'JMicron Technology Corp.'
>>>> device = 'MS Host Controller'
>>>> class = base peripheral
>>>> =================================================================
>>>> ====
>>>> =
>>>>
>>>> And my SD-card controller is not working anymore (it worked on
>>>> -current
>>>> on the same laptop year or two ago). Do I need to load some kld
>>>> to
>>>> make
>>>> it working, or support for this controllers was dropped
>>>> altogether
>>>> for
>>>> some reason? I have mostly vanilla GENERIC at r296772, but it
>>>> actually
>>>> stopped to work much earlier.
>>>>
>>>> Thanks.
>>>>
>>>
>>> Do you have a pciconf entry for class=080501 chip=0x2391197b,
>>> device
>>> would probably be "SD Host Controller", and if so, is it none@pci o
>>> r
>>> sdhci_pci@pci ? If sdhci_pci attached, there would be dmesg output
>>> for
>>> it, and I'm curious whether any irq-related error showed up when it
>>> attached.
>>>
>>> The only change I can find that might have some effect is a switch
>>> to
>>> MSI-based interrupts some time ago. That was MFC'd to 10-stable in
>>> r271051, and that's very close to range cited in that PR.
>>>
>>> It might be worth trying to set hw.sdhci.enable_msi=0 in
>>> loader.conf
>>> and see if it makes a difference.
>>>
>>> -- Ian
>>
>> Sorry, but nothing has changed in pciconf/dmesg with this option at
>> boot.
>>
>
> Hmm, well so much for logic ("what changed around the time reported in
> that PR?"). Now for intuition...
>
> Maybe this JMicro device id needs the same quirks as the 2381 ID that's
> already in the driver. The attached patch would add that. If this
> fixes it, that's good, but it doesn't explain why it worked then
> stopped working at some point.
>
> -- Ian
I updated to r297281 with this quirk applied. Sadly, it doesn't change
anything - controllers still not recognized. I also tried to boot this
revision with disabled hw.sdhci.enable_msi=0, that I applied earlier.
--
Regards,
Ruslan
T.O.S. Of Reality
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