2015-09-17 14:33 GMT+02:00 Robert Moskowitz <[email protected]>: > > > On 09/17/2015 06:53 AM, Peter Robinson wrote: > >> On Wed, Sep 16, 2015 at 10:00 PM, Robert Moskowitz <[email protected]> >> wrote: >> >>> I went searching for information on sata port multiplier and found: >>> >>> http://www.spinics.net/lists/arm-kernel/msg377619.html >>> >>> Is this still the status of this and if so how do I set >>> AHCI_HFLAG_NO_PMP to >>> true? >>> >> Well if you read the message you reference it states: >> >> "So add a module parameter to enable pmp usage, and default this to off, >> so >> that directly attached disks keep working normally." >> >> So it seems if you use a multiple you need to do a different option >> than without so it indicates it would need it. If you do "modinfo >> ahci_sunxi" you'll see that actually the patch has landed and there is >> a enable_pmp parameter. So you'll need to create something like >> /etc/modprobe.d/sunxi.conf and add a line "options ahci_sunxi >> enable_pmp=1" line (no I've not verified that is correct so you'll >> need to check it) and reboot. >> > > Ah, thanks! I will try that. I was looking at: > /boot/extlinux/extlinux.conf and adding to the append line something like: > > AHCI_HFLAG_NO_PMP=0 > > > So I would have been heading in the wrong direction... > > Not entirely, it should also work having ahci_sunxi.enable_pmp=1 on kernel cmdline. Also, you may need to rebuild initramfs by running dracut -f after modifying modprobe.d files.
> > >> Peter >> >> But it seems there were more messages about this... >>> >>> >>> On 09/16/2015 03:34 PM, Robert Moskowitz wrote: >>> >>>> I figured out the various ports on the muitiport card and have 2 sata >>>> drives I am testing with. >>>> >>>> One drive works fine. But two drives it is a bit of a guess which one >>>> will come in as /dev/sda (the mSD card is /dev/mmcblk0). And only one >>>> drive >>>> is visible. Or at least gparted is only seeing one. >>>> >>>> From messages back last fall? I had that this board would let me use >>>> multiple sata drives, so there seems to be something I am missing. >>>> >>>> Right now each item has its own power supply: Cubietruck, Multiport >>>> card, >>>> Drive1, and Drive2. So it is not a power issue (or shouldn't be). >>>> >>>> >>>> _______________________________________________ >>>> arm mailing list >>>> [email protected] >>>> https://admin.fedoraproject.org/mailman/listinfo/arm >>>> >>> >>> _______________________________________________ >>> arm mailing list >>> [email protected] >>> https://admin.fedoraproject.org/mailman/listinfo/arm >>> >> > _______________________________________________ > arm mailing list > [email protected] > https://admin.fedoraproject.org/mailman/listinfo/arm > -- Pavel Holica
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