5.3-BETA2 hangs during cdrom detection

[Søren Schmidt]

Alexander S. Usov wrote:
> Hi!
> 
> I have a problems installing 5.3-BETA1 & BETA2 on my pc.
> 
> The configuration is like this:
> motherboard -- AOpen AX4GR based on i845G and ICH4.
> On the first ide channel there is an HDD, and on the second channel -- CDROM.
> I am not sure about the exact model, but FreeBSD 5.2.1-p9 detects it as 
> <CD-ROM 56X/AKH>.
> 
> The problem is, that FreeBSD somehow incorrectly detects the absence of the 
> slave device on the second ata channel, and tries to detect it.
> On 5.2.1 it looks like this:
> .....
> ad0: 76345MB <MAXTOR 6L080J4> [155114/16/63] at ata0-master UDMA100
> ata1-slave: FAILURE - ATA_IDENTIFY no interrupt
> ata1-slave: FAILURE - ATA_IDENTIFY  status=7f<READY,DMA_READY,DSC,DRQ,
> CORRECTABLE,INDEX,ERROR> error=7f<UNCORRECTABLE,MEDIA_CHANGED,
> NID_NOT_FOUND,MEDIA_CHANGE_REQEST,ABORTED,NO_MEDIA,ILLEGAL_LENGTH> LBA=0
> ata1-slave: FAILURE - ATA_IDENTIFY no interrupt
> acd0: CDROM <CD-ROM 56X/AKH> at ata1-master WDMA2
> ......
> 
> With 5.3 I am getting only the 
> ata1-slave: FAILURE - ATA_IDENTIFY  status=7f<READY,DMA_READY,DSC,DRQ,
> CORRECTABLE,INDEX,ERROR> error= 7f<UNCORRECTABLE,MEDIA_CHANGED,
> NID_NOT_FOUND,MEDIA_CHANGE_REQEST,ABORTED,NO_MEDIA,ILLEGAL_LENGTH> LBA=0
> and it hangs.
> I have tried replacing the cdrom with different hdd and putting in as a slave 
> on the first channel -- both cases work.

This has been fixed in -current some time ago, but has not been MFC'd to 
the RELENG_5 branch yet...

-Søren