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Date:      Thu, 15 Jan 2004 19:30:49 +0400
From:      rihad <rihad@mail.ru>
To:        jason <jason@ec.rr.com>
Cc:        freebsd-current@freebsd.org
Subject:   Re: ATA activity LED
Message-ID:  <4006B229.8000501@mail.ru>
In-Reply-To: <40067F22.8040209@ec.rr.com>
References:  <4004E482.7030200@mail.ru> <20040114042707.K47506@alpha.siliconlandmark.com> <40056FC8.7020501@mail.ru> <20040115020730.I47506@alpha.siliconlandmark.com> <40067F22.8040209@ec.rr.com>

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jason wrote:

> Andre Guibert de Bruet wrote:
>
>> On Wed, 14 Jan 2004, rihad wrote:
>>
>>  
>>
>>> Andre Guibert de Bruet wrote:
>>>
>>>   
>>>
>>>> On Wed, 14 Jan 2004, rihad wrote:
>>>>
>>>>     
>>>>
>>>>> Why is the disk activity LED always on in 5-C? Various Linuxes and XP
>>>>> don't exhibit this behaviour.
>>>>>       
>>>>
>>>> Care to share what type of ATA controller(s) your system has?
>>>>     
>>>
>>> $ dmesg | grep -e ^ata -e ^ad -e ^acd
>>> atapci0: <Intel ICH2 UDMA100 controller> port 0xfc00-0xfc0f at device
>>> 31.1 on pci0
>>> ata0: at 0x1f0 irq 14 on atapci0
>>> ata0: [MPSAFE]
>>> ata1: at 0x170 irq 15 on atapci0
>>> ata1: [MPSAFE]
>>> ad0: 29325MB <Maxtor 6E030L0> [59582/16/63] at ata0-master UDMA100
>>> acd0: DVDROM <LITEON DVD-ROM LTD-165H> at ata0-slave PIO4
>>>   
>>
>>  
>>
> There is a problem here.  1st there should not be a pio4 and dma100 on 
> the same cable, the pio4 mode is on only there because it is not 
> working, the spec say no mode mixing like this.  Try the cdrom on the 
> second ide able, it should be atleast UDMA33, I have a liteon so I 
> know it should be at least this fast.  You may have the drive jumpers 
> set to 2 masters or something?  Any way having the drives on there own 
> cables is much faster anyway.
>
>
I added "hw.ata.atapi_dma=1" to /boot/loader.conf and rebooted. Now I 
got UDMA33 on primary slave, too. Other than that, the output of dmesg 
is basically the same, but the devices were probed (?) twice:
$ dmesg | grep -e ^ata -e ^ad -e ^acd
atapci0: <Intel ICH2 UDMA100 controller> port 0xfc00-0xfc0f at device 
31.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata0: [MPSAFE]
ata1: at 0x170 irq 15 on atapci0
ata1: [MPSAFE]
ad0: 29325MB <Maxtor 6E030L0> [59582/16/63] at ata0-master UDMA100
acd0: DVDROM <LITEON DVD-ROM LTD-165H> at ata0-slave PIO4
atapci0: <Intel ICH2 UDMA100 controller> port 0xfc00-0xfc0f at device 
31.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata0: [MPSAFE]
ata1: at 0x170 irq 15 on atapci0
ata1: [MPSAFE]
ata0-slave: DMA limited to UDMA33, non-ATA66 cable or device
ad0: 29325MB <Maxtor 6E030L0> [59582/16/63] at ata0-master UDMA100
acd0: DVDROM <LITEON DVD-ROM LTD-165H> at ata0-slave UDMA33
$

The LED is still on. The devices are jumpered properly in master-slave 
terms. I'll try to get a hold of another cable and see if splitting them 
across cables helps. Thanks a lot.




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