Mailinglist Archive: opensuse-bugs (8042 mails)

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https://bugzilla.novell.com/show_bug.cgi?id=227873

           Summary: ata_piix tries to access non-existent ports
           Product: openSUSE 10.2
           Version: Final
          Platform: i586
        OS/Version: Linux
            Status: NEW
          Severity: Minor
          Priority: P5 - None
         Component: Kernel
        AssignedTo: kernel-maintainers@xxxxxxxxxxxxxxxxxxxxxx
        ReportedBy: grok@xxxxxx
         QAContact: qa@xxxxxxx


This seems like a hardware bug, not a kernel bug really, but here it goes:

On Dell Optiplex 745 machines (Dec2006) there are two SATA controlers

00:1f.2 IDE interface: Intel Corporation 82801H (ICH8 Family) 4 port SATA IDE
Controller (rev 02)
00:1f.5 IDE interface: Intel Corporation 82801H (ICH8 Family) 2 port SATA IDE
Controller (rev 02)

visible via lspci. The first one works like expected and is visible in the BIOS
(can be disabled etc.). Unfortunately, the BIOS does not allow disabling ata3
and ata4 (there are simply no SATA-2 and SATA-3 options in the bios).

In effect the following happends on boot:

PCI: Setting latency timer of device 0000:00:1f.5 to 64
ata3: SATA max UDMA/133 cmd 0xFE40 ctl 0xFE52 bmdma 0xFED0 irq 201
ata4: SATA max UDMA/133 cmd 0xFE60 ctl 0xFE72 bmdma 0xFED8 irq 201
scsi2 : ata_piix
ata3: port is slow to respond, please be patient (Status 0xff)
ata3: port failed to respond (30 secs, Status 0xff)
ata3: SRST failed (status 0xFF)
ata3: SRST failed (err_mask=0x100)
ata3: softreset failed, retrying in 5 secs
ata3: SRST failed (status 0xFF)
ata3: SRST failed (err_mask=0x100)
ata3: softreset failed, retrying in 5 secs
ata3: SRST failed (status 0xFF)
ata3: SRST failed (err_mask=0x100)
ata3: reset failed, giving up
scsi3 : ata_piix
ata4: port is slow to respond, please be patient (Status 0xff)
ata4: port failed to respond (30 secs, Status 0xff)
ata4: SRST failed (status 0xFF)
ata4: SRST failed (err_mask=0x100)
ata4: softreset failed, retrying in 5 secs
ata4: SRST failed (status 0xFF)
ata4: SRST failed (err_mask=0x100)
ata4: softreset failed, retrying in 5 secs
ata4: SRST failed (status 0xFF)
ata4: SRST failed (err_mask=0x100)
ata4: reset failed, giving up

The hardware vendor has been notified about the problem. Still awaiting bios
update.

Proposed solution:

Add bootoption to skip detection when status of the port is 0xff or don't try
to detect ports with status 0xff (not sure if this is legit :).


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