Re: libata problems

[Gavin Cameron <gavin@gavsworld.net>]

Tejun Heo wrote:
> Gavin Cameron wrote:
>> Hello,
>>
>> Happy new year first of all :-)
>>
>> It's been a while since I've heard anything on this libata problem, so I
>> thought I'd see what's happening.
>>
>> I have some good news though: one of my PCs is working fine now - kirk
>> (which I've recently switched from Fedora to Ubuntu)
>>
>>     * Gigabyte GA-7DX M/B (AMD 761 / VIA 686B chipset)
>>     * AMD Althlon XP 2100+
>>     * PATA LiteOn DVD-RW
>>     * Ubuntu 8.10 - kernel 2.6.27-9-generic
>>
>> However, picard is still not working:
>>     * ASUS M2V M/B (VIA K8T890 / VIA VT8237A chipset)
>>     * AMD Athlon 64 X2 6000+
>>     * PATA LiteOn DVD RAM/RW
>>     * Fedora 10 - kernel 2.6.27.9-159.fc10.x86_64
>>
>> I'm currently booting with this from grub:
>> title Fedora (2.6.27.9-159.fc10.x86_64)
>>     root (hd0,2)
>>     kernel /vmlinuz-2.6.27.9-159.fc10.x86_64 ro
>> root=UUID=5d9cfdad-6c2f-4f95-840f-99080642519c rhgb quiet pci=noacpi
>>     initrd /initrd-2.6.27.9-159.fc10.x86_64.img
>>
>> Which is the standard Fedora option (plus the noacpi).
>>
>> I've attached some log files to assist in further debug.
>>
>> The /var/log/messages file is very long (so appologies for this), but I
>> noticed something interesting: on 2nd of Jan, there were no CDs inserted
>> into the drive at all that day, yet there is trouble communicating with
>> the drive. Today is the 3rd and the ata messages at the end are when I
>> inserted a CD.
>>
>> The problem with picard is that it refuses to read CDs/DVDs placed in
>> the PATA drive (unless it has been within a few minutes of powering up)
>> and also that the PATA hard drive still performs frequent head unloads.
>>
>> If you require any other information, please let me know.
> 
> Does irqpoll help?
> 

Hi,

I've just tried adding "irqpoll" to my kernel options and it makes no 
difference.

Regards,
Gavin.