libata/SATA noprobe

libata/SATA noprobe

[Roger While]

Is there any knob/option to prevent libata
probing non-existent channels ?
Specifically how can I stop the kernel probing
the second SATA? -

<4>ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
<7>libata version 2.00 loaded.
<7>ata_piix 0000:00:1f.2: version 2.00ac7
<6>ata_piix 0000:00:1f.2: MAP [ P0 P2 P1 P3 ]
<6>GSI 18 sharing vector 0xD9 and IRQ 18
<6>ACPI: PCI Interrupt 0000:00:1f.2[C] -> GSI 20 (level, low) -> IRQ 217
<7>PCI: Setting latency timer of device 0000:00:1f.2 to 64
<6>ata1: SATA max UDMA/133 cmd 0xFE00 ctl 0xFE12 bmdma 0xFEA0 irq 217
<6>ata2: SATA max UDMA/133 cmd 0xFE20 ctl 0xFE32 bmdma 0xFEA8 irq 217
<6>scsi0 : ata_piix
<6>ata1.00: ATA-7, max UDMA/133, 490234752 sectors: LBA48 NCQ (depth 0/1)
<6>ata1.00: ata1: dev 0 multi count 8
<6>ata1.00: configured for UDMA/133
<6>scsi1 : ata_piix
<4>ata2: port is slow to respond, please be patient (Status 0xff)
<3>ata2: port failed to respond (30 secs, Status 0xff)
<3>ata2: SRST failed (status 0xFF)
<3>ata2: SRST failed (err_mask=0x100)
<4>ata2: softreset failed, retrying in 5 secs
<3>ata2: SRST failed (status 0xFF)
<3>ata2: SRST failed (err_mask=0x100)
<4>ata2: softreset failed, retrying in 5 secs
<3>ata2: SRST failed (status 0xFF)
<3>ata2: SRST failed (err_mask=0x100)
<3>ata2: reset failed, giving up

There is physically no second SATA connection.
This is a Dell small desktop form factor.
BIOS is latest, 2nd SATA and 2nd IDE are NOT selectable
in BIOS (marked as off)

lspci :
00:00.0 Host bridge: Intel Corporation 82915G/P/GV/GL/PL/910GL Memory 
Controller Hub (rev 04)
00:01.0 PCI bridge: Intel Corporation 82915G/P/GV/GL/PL/910GL PCI Express 
Root Port (rev 04)
00:02.0 VGA compatible controller: Intel Corporation 82915G/GV/910GL 
Integrated Graphics Controller (rev 04)
00:02.1 Display controller: Intel Corporation 82915G Integrated Graphics 
Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) 
PCI Express Port 1 (rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) 
PCI Express Port 2 (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
Family) USB UHCI #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
Family) USB UHCI #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
Family) USB UHCI #3 (rev 03)
00:1d.3 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
Family) USB UHCI #4 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
Family) USB2 EHCI Controller (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev d3)
00:1e.2 Multimedia audio controller: Intel Corporation 
82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller (rev 03)
00:1f.0 ISA bridge: Intel Corporation 82801FB/FR (ICH6/ICH6R) LPC Interface 
Bridge (rev 03)
00:1f.1 IDE interface: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
Family) IDE Controller (rev 03)
00:1f.2 IDE interface: Intel Corporation 82801FB/FW (ICH6/ICH6W) SATA 
Controller (rev 03)
00:1f.3 SMBus: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) SMBus 
Controller (rev 03)
02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5751 Gigabit 
Ethernet PCI Express (rev 01)

Full dmesg and other info can be supplied

Roger While

Re: libata/SATA noprobe

[Mark Lord]

Roger While wrote:
> Is there any knob/option to prevent libata
> probing non-existent channels ?
> Specifically how can I stop the kernel probing
> the second SATA? -
..
> <6>ata1.00: ATA-7, max UDMA/133, 490234752 sectors: LBA48 NCQ (depth 0/1)
> <6>ata1.00: ata1: dev 0 multi count 8
> <6>ata1.00: configured for UDMA/133
> <6>scsi1 : ata_piix
> <4>ata2: port is slow to respond, please be patient (Status 0xff)
> <3>ata2: port failed to respond (30 secs, Status 0xff)
> <3>ata2: SRST failed (status 0xFF)
> <3>ata2: SRST failed (err_mask=0x100)
> <4>ata2: softreset failed, retrying in 5 secs
> <3>ata2: SRST failed (status 0xFF)
> <3>ata2: SRST failed (err_mask=0x100)
> <4>ata2: softreset failed, retrying in 5 secs
> <3>ata2: SRST failed (status 0xFF)
> <3>ata2: SRST failed (err_mask=0x100)
> <3>ata2: reset failed, giving up
..

Ugh.  That could really slow down system startup.

There is no parameter to avoid it,
just one to reduce the delay while it probes.  Not ideal.

But it really could be more clever here, and notice the 0xff patterns,
and have an early exit if there's obviously nothing attached.

Or perhaps there's some register it could read to see if the
port was disabled in the BIOS (I'm betting it is still "enabled",
but it could be good to check if we don't already).

Maybe just do it in the ata_piix subdriver.  Tejun, Alan?

-ml

Re: libata/SATA noprobe

[Tejun Heo]

Mark Lord wrote:
> Roger While wrote:
>> Is there any knob/option to prevent libata
>> probing non-existent channels ?
>> Specifically how can I stop the kernel probing
>> the second SATA? -
> ..
>> <6>ata1.00: ATA-7, max UDMA/133, 490234752 sectors: LBA48 NCQ (depth 0/1)
>> <6>ata1.00: ata1: dev 0 multi count 8
>> <6>ata1.00: configured for UDMA/133
>> <6>scsi1 : ata_piix
>> <4>ata2: port is slow to respond, please be patient (Status 0xff)
>> <3>ata2: port failed to respond (30 secs, Status 0xff)
>> <3>ata2: SRST failed (status 0xFF)
>> <3>ata2: SRST failed (err_mask=0x100)
>> <4>ata2: softreset failed, retrying in 5 secs
>> <3>ata2: SRST failed (status 0xFF)
>> <3>ata2: SRST failed (err_mask=0x100)
>> <4>ata2: softreset failed, retrying in 5 secs
>> <3>ata2: SRST failed (status 0xFF)
>> <3>ata2: SRST failed (err_mask=0x100)
>> <3>ata2: reset failed, giving up
> ..
> 
> Ugh.  That could really slow down system startup.
> 
> There is no parameter to avoid it,
> just one to reduce the delay while it probes.  Not ideal.
> 
> But it really could be more clever here, and notice the 0xff patterns,
> and have an early exit if there's obviously nothing attached.
> 
> Or perhaps there's some register it could read to see if the
> port was disabled in the BIOS (I'm betting it is still "enabled",
> but it could be good to check if we don't already).
> 
> Maybe just do it in the ata_piix subdriver.  Tejun, Alan?

We do consider 0xff as port empty these days.  Roger, which kernel
version are you using?  Can you give a shot at 2.6.20.7?

-- 
tejun

Re: libata/SATA noprobe

[Roger While]

This is Opensuse 10.2, complete boot.msg below
(to level 5) -

I had a similar problem with an old ASUS DLS board where
I needed to do :
hda=noprobe hdb=noprobe hdc=noprobe hdd=noprobe
to stop an inacceptible boot time. (SCSI only config)
Therefor the sibject, that we had for ide the param.

It seems to me that we want something like ata2=noprobe

Yes, I can give current kernels a shot given some
time for this.

Whatever is decided here needs to be backported.

Roger


Inspecting /boot/System.map-2.6.18.2-34-default
Loaded 23895 symbols from /boot/System.map-2.6.18.2-34-default.
Symbols match kernel version 2.6.18.
No module symbols loaded - kernel modules not enabled.

klogd 1.4.1, log source = ksyslog started.
<4>Bootdata ok (command line is root=/dev/sda2 vga=normal resume=/dev/sda1 
splash=0 elevator=deadline)
<5>Linux version 2.6.18.2-34-default (geeko@buildhost) (gcc version 4.1.2 
20061115 (prerelease) (SUSE Linux)) #1 SMP Mon Nov 27 11:46:27 UTC 2006
<6>BIOS-provided physical RAM map:
<4> BIOS-e820: 0000000000000000 - 00000000000a0000 (usable)
<4> BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
<4> BIOS-e820: 0000000000100000 - 000000007f686c00 (usable)
<4> BIOS-e820: 000000007f686c00 - 000000007f688c00 (ACPI NVS)
<4> BIOS-e820: 000000007f688c00 - 000000007f68ac00 (ACPI data)
<4> BIOS-e820: 000000007f68ac00 - 0000000080000000 (reserved)
<4> BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved)
<4> BIOS-e820: 00000000fec00000 - 00000000fed00400 (reserved)
<4> BIOS-e820: 00000000fed20000 - 00000000feda0000 (reserved)
<4> BIOS-e820: 00000000fee00000 - 00000000fef00000 (reserved)
<4> BIOS-e820: 00000000ffb00000 - 0000000100000000 (reserved)
<6>DMI 2.3 present.
<7>ACPI: RSDP (v000 DELL                                  ) @ 
0x00000000000fec00
<7>ACPI: RSDT (v001 DELL    GX280   0x00000007 ASL  0x00000061) @ 
0x00000000000fcbdf
<7>ACPI: FADT (v001 DELL    GX280   0x00000007 ASL  0x00000061) @ 
0x00000000000fcc1f
<7>ACPI: SSDT (v001   DELL    st_ex 0x00001000 MSFT 0x0100000d) @ 
0x00000000fffd4cf1
<7>ACPI: MADT (v001 DELL    GX280   0x00000007 ASL  0x00000061) @ 
0x00000000000fcc93
<7>ACPI: BOOT (v001 DELL    GX280   0x00000007 ASL  0x00000061) @ 
0x00000000000fcd25
<7>ACPI: ASF! (v016 DELL    GX280   0x00000007 ASL  0x00000061) @ 
0x00000000000fcd4d
<7>ACPI: MCFG (v001 DELL    GX280   0x00000007 ASL  0x00000061) @ 
0x00000000000fcdb4
<7>ACPI: HPET (v001 DELL    GX280   0x00000007 ASL  0x00000061) @ 
0x00000000000fcdf2
<7>ACPI: DSDT (v001   DELL    dt_ex 0x00001000 MSFT 0x0100000d) @ 
0x0000000000000000
<6>No NUMA configuration found
<6>Faking a node at 0000000000000000-000000007f686000
<6>Bootmem setup node 0 0000000000000000-000000007f686000
<7>On node 0 totalpages: 513582
<7>  DMA zone: 2894 pages, LIFO batch:0
<7>  DMA32 zone: 510688 pages, LIFO batch:31
<6>ACPI: PM-Timer IO Port: 0x808
<7>ACPI: Local APIC address 0xfee00000
<6>ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
<6>Processor #0 15:4 APIC version 20
<6>ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
<6>Processor #1 15:4 APIC version 20
<6>ACPI: LAPIC (acpi_id[0x03] lapic_id[0x06] disabled)
<6>ACPI: LAPIC (acpi_id[0x04] lapic_id[0x02] disabled)
<6>ACPI: LAPIC (acpi_id[0x05] lapic_id[0x04] disabled)
<6>ACPI: LAPIC (acpi_id[0x06] lapic_id[0x07] disabled)
<6>ACPI: LAPIC (acpi_id[0x07] lapic_id[0x03] disabled)
<6>ACPI: LAPIC (acpi_id[0x08] lapic_id[0x05] disabled)
<6>ACPI: LAPIC_NMI (acpi_id[0xff] high level lint[0x1])
<6>ACPI: IOAPIC (id[0x08] address[0xfec00000] gsi_base[0])
<6>IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23
<6>ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
<6>ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
<7>ACPI: IRQ0 used by override.
<7>ACPI: IRQ2 used by override.
<7>ACPI: IRQ9 used by override.
<6>Setting APIC routing to physical flat
<6>ACPI: HPET id: 0x8086a201 base: 0xfed00000
<6>Using ACPI (MADT) for SMP configuration information
<6>Allocating PCI resources starting at 88000000 (gap: 80000000:60000000)
<6>SMP: Allowing 8 CPUs, 6 hotplug CPUs
<4>Built 1 zonelists.  Total pages: 513582
<5>Kernel command line: root=/dev/sda2 vga=normal resume=/dev/sda1 splash=0 
elevator=deadline
<4>Initializing CPU#0
<4>PID hash table entries: 4096 (order: 12, 32768 bytes)
<6>time.c: Using 14.318180 MHz WALL HPET GTOD HPET/TSC timer.
<6>time.c: Detected 3391.745 MHz processor.
<4>Console: colour VGA+ 80x25
<4>Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
<4>Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
<4>Checking aperture...
<4>Memory: 2047388k/2087448k available (1915k kernel code, 39676k reserved, 
1278k data, 188k init)
<4>Calibrating delay using timer specific routine.. 6789.92 BogoMIPS 
(lpj=13579854)
<6>Security Framework v1.0.0 initialized
<4>Mount-cache hash table entries: 256
<6>CPU: Trace cache: 12K uops, L1 D cache: 16K
<6>CPU: L2 cache: 2048K
<4>using mwait in idle threads.
<6>CPU: Physical Processor ID: 0
<6>CPU: Processor Core ID: 0
<6>CPU0: Thermal monitoring enabled (TM1)
<6>SMP alternatives: switching to UP code
<6>checking if image is initramfs... it is
<6>Freeing initrd memory: 3422k freed
<6>ACPI: Core revision 20060707
<6>Using local APIC timer interrupts.
<4>result 12469572
<6>Detected 12.469 MHz APIC timer.
<6>SMP alternatives: switching to SMP code
<6>Booting processor 1/2 APIC 0x1
<4>Initializing CPU#1
<4>Calibrating delay using timer specific routine.. 6783.26 BogoMIPS 
(lpj=13566537)
<6>CPU: Trace cache: 12K uops, L1 D cache: 16K
<6>CPU: L2 cache: 2048K
<6>CPU: Physical Processor ID: 0
<6>CPU: Processor Core ID: 0
<6>CPU1: Thermal monitoring enabled (TM1)
<4>              Intel(R) Pentium(R) 4 CPU 3.40GHz stepping 0a
<6>Brought up 2 CPUs
<6>testing NMI watchdog ... OK.
<4>migration_cost=13
<6>NET: Registered protocol family 16
<6>ACPI: bus type pci registered
<6>PCI: Using MMCONFIG at e0000000
<6>ACPI: Interpreter enabled
<6>ACPI: Using IOAPIC for interrupt routing
<6>ACPI: PCI Root Bridge [PCI0] (0000:00)
<7>PCI: Probing PCI hardware (bus 00)
<6>ACPI: Assume root bridge [\_SB_.PCI0] bus is 0
<7>Boot video device is 0000:00:02.0
<4>PCI quirk: region 0800-087f claimed by ICH6 ACPI/GPIO/TCO
<4>PCI quirk: region 0880-08bf claimed by ICH6 GPIO
<6>PCI: Ignoring BAR0-3 of IDE controller 0000:00:1f.1
<6>PCI: Transparent bridge - 0000:00:1e.0
<7>ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
<7>ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCI1._PRT]
<7>ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCI2._PRT]
<7>ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCI3._PRT]
<7>ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCI4._PRT]
<4>ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 *11 12 15)
<4>ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 9 *10 11 12 15)
<4>ACPI: PCI Interrupt Link [LNKC] (IRQs 3 *4 5 6 7 9 10 11 12 15)
<4>ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 9 10 11 12 15) *0, disabled.
<4>ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 9 *10 11 12 15)
<4>ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 *9 10 11 12 15)
<4>ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 *5 6 7 9 10 11 12 15)
<4>ACPI: PCI Interrupt Link [LNKH] (IRQs *3 4 5 6 7 9 10 11 12 15)
<6>PCI: Using ACPI for IRQ routing
<6>PCI: If a device doesn't work, try "pci=routeirq".  If it helps, post a 
report
<6>hpet0: at MMIO 0xfed00000 (virtual 0xffffffffff5fe000), IRQs 2, 8, 0
<6>hpet0: 3 64-bit timers, 14318180 Hz
<6>PCI-GART: No AMD northbridge found.
<4>PCI: Ignore bogus resource 6 [0:0] of 0000:00:02.0
<6>PCI: Bridge: 0000:00:01.0
<6>  IO window: disabled.
<6>  MEM window: dfd00000-dfdfffff
<6>  PREFETCH window: disabled.
<6>PCI: Bridge: 0000:00:1c.0
<6>  IO window: disabled.
<6>  MEM window: dfc00000-dfcfffff
<6>  PREFETCH window: disabled.
<6>PCI: Bridge: 0000:00:1c.1
<6>  IO window: disabled.
<6>  MEM window: dfb00000-dfbfffff
<6>  PREFETCH window: disabled.
<6>PCI: Bridge: 0000:00:1e.0
<6>  IO window: disabled.
<6>  MEM window: disabled.
<6>  PREFETCH window: disabled.
<6>GSI 16 sharing vector 0xA9 and IRQ 16
<6>ACPI: PCI Interrupt 0000:00:01.0[A] -> GSI 16 (level, low) -> IRQ 169
<7>PCI: Setting latency timer of device 0000:00:01.0 to 64
<6>ACPI: PCI Interrupt 0000:00:1c.0[A] -> GSI 16 (level, low) -> IRQ 169
<7>PCI: Setting latency timer of device 0000:00:1c.0 to 64
<6>GSI 17 sharing vector 0xB1 and IRQ 17
<6>ACPI: PCI Interrupt 0000:00:1c.1[B] -> GSI 17 (level, low) -> IRQ 177
<7>PCI: Setting latency timer of device 0000:00:1c.1 to 64
<7>PCI: Setting latency timer of device 0000:00:1e.0 to 64
<6>NET: Registered protocol family 2
<4>IP route cache hash table entries: 65536 (order: 7, 524288 bytes)
<4>TCP established hash table entries: 262144 (order: 10, 4194304 bytes)
<4>TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
<6>TCP: Hash tables configured (established 262144 bind 65536)
<6>TCP reno registered
<6>Simple Boot Flag at 0x7a set to 0x1
<6>audit: initializing netlink socket (disabled)
<5>audit(1176905386.476:1): initialized
<4>Total HugeTLB memory allocated, 0
<5>VFS: Disk quotas dquot_6.5.1
<4>Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
<6>Initializing Cryptographic API
<6>io scheduler noop registered
<6>io scheduler anticipatory registered
<6>io scheduler deadline registered (default)
<6>io scheduler cfq registered
<7>PCI: Setting latency timer of device 0000:00:01.0 to 64
<4>assign_interrupt_mode Found MSI capability
<7>Allocate Port Service[0000:00:01.0:pcie00]
<7>Allocate Port Service[0000:00:01.0:pcie03]
<7>PCI: Setting latency timer of device 0000:00:1c.0 to 64
<4>assign_interrupt_mode Found MSI capability
<7>Allocate Port Service[0000:00:1c.0:pcie00]
<7>Allocate Port Service[0000:00:1c.0:pcie02]
<7>Allocate Port Service[0000:00:1c.0:pcie03]
<7>PCI: Setting latency timer of device 0000:00:1c.1 to 64
<4>assign_interrupt_mode Found MSI capability
<7>Allocate Port Service[0000:00:1c.1:pcie00]
<7>Allocate Port Service[0000:00:1c.1:pcie03]
<6>Real Time Clock Driver v1.12ac
<7>hpet_resources: 0xfed00000 is busy
<6>Non-volatile memory driver v1.2
<6>Linux agpgart interface v0.101 (c) Dave Jones
<6>Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled
<4>RAMDISK driver initialized: 16 RAM disks of 128000K size 1024 blocksize
<6>serio: i8042 AUX port at 0x60,0x64 irq 12
<6>serio: i8042 KBD port at 0x60,0x64 irq 1
<6>mice: PS/2 mouse device common for all mice
<6>input: PC Speaker as /class/input/input0
<6>md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
<6>md: bitmap version 4.39
<6>NET: Registered protocol family 1
<6>ACPI: (supports S0 S1 S3 S4 S5)
<6>Freeing unused kernel memory: 188k freed
<6>Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
<6>ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
<5>SCSI subsystem initialized
<6>ICH6: IDE controller at PCI slot 0000:00:1f.1
<6>ACPI: PCI Interrupt 0000:00:1f.1[A] -> GSI 16 (level, low) -> IRQ 169
<6>ICH6: chipset revision 3
<6>ICH6: not 100% native mode: will probe irqs later
<6>    ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:pio
<7>Probing IDE interface ide0...
<4>hda: PHILIPS SPD2411P, ATAPI CD/DVD-ROM drive
<4>ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
<7>libata version 2.00 loaded.
<7>ata_piix 0000:00:1f.2: version 2.00ac7
<6>ata_piix 0000:00:1f.2: MAP [ P0 P2 P1 P3 ]
<6>GSI 18 sharing vector 0xD9 and IRQ 18
<6>ACPI: PCI Interrupt 0000:00:1f.2[C] -> GSI 20 (level, low) -> IRQ 217
<7>PCI: Setting latency timer of device 0000:00:1f.2 to 64
<6>ata1: SATA max UDMA/133 cmd 0xFE00 ctl 0xFE12 bmdma 0xFEA0 irq 217
<6>ata2: SATA max UDMA/133 cmd 0xFE20 ctl 0xFE32 bmdma 0xFEA8 irq 217
<6>scsi0 : ata_piix
<6>ata1.00: ATA-7, max UDMA/133, 490234752 sectors: LBA48 NCQ (depth 0/1)
<6>ata1.00: ata1: dev 0 multi count 8
<6>ata1.00: configured for UDMA/133
<6>scsi1 : ata_piix
<4>ata2: port is slow to respond, please be patient (Status 0xff)
<3>ata2: port failed to respond (30 secs, Status 0xff)
<3>ata2: SRST failed (status 0xFF)
<3>ata2: SRST failed (err_mask=0x100)
<4>ata2: softreset failed, retrying in 5 secs
<3>ata2: SRST failed (status 0xFF)
<3>ata2: SRST failed (err_mask=0x100)
<4>ata2: softreset failed, retrying in 5 secs
<3>ata2: SRST failed (status 0xFF)
<3>ata2: SRST failed (err_mask=0x100)
<3>ata2: reset failed, giving up
<5>  Vendor: ATA       Model: WDC WD2500YD-01N  Rev: 10.0
<5>  Type:   Direct-Access                      ANSI SCSI revision: 05
<5>SCSI device sda: 490234752 512-byte hdwr sectors (251000 MB)
<5>sda: Write Protect is off
<7>sda: Mode Sense: 00 3a 00 00
<5>SCSI device sda: drive cache: write back
<5>SCSI device sda: 490234752 512-byte hdwr sectors (251000 MB)
<5>sda: Write Protect is off
<7>sda: Mode Sense: 00 3a 00 00
<5>SCSI device sda: drive cache: write back
<6> sda: sda1 sda2
<5>sd 0:0:0:0: Attached scsi disk sda
<6>BIOS EDD facility v0.16 2004-Jun-25, 1 devices found
<5>sd 0:0:0:0: Attached scsi generic sg0 type 0
<4>Attempting manual resume
<5>ReiserFS: sda2: found reiserfs format "3.6" with standard journal
<5>ReiserFS: sda2: using ordered data mode
<4>reiserfs: using flush barriers
<5>ReiserFS: sda2: journal params: device sda2, size 8192, journal first 
block 18, max trans len 1024, max batch 900, max commit age 30, max trans 
age 30
<5>ReiserFS: sda2: checking transaction log (sda2)
<5>ReiserFS: sda2: Using r5 hash to sort names
<6>Floppy drive(s): fd0 is 1.44M
<6>FDC 0 is a post-1991 82077
<6>usbcore: registered new driver usbfs
<6>usbcore: registered new driver hub
<3>intel_rng: FWH not detected
<6>USB Universal Host Controller Interface driver v3.0
<6>GSI 19 sharing vector 0xE1 and IRQ 19
<6>ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 21 (level, low) -> IRQ 225
<7>PCI: Setting latency timer of device 0000:00:1d.0 to 64
<6>uhci_hcd 0000:00:1d.0: UHCI Host Controller
<6>uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 1
<6>uhci_hcd 0000:00:1d.0: irq 225, io base 0x0000ff80
<6>usb usb1: new device found, idVendor=0000, idProduct=0000
<6>usb usb1: new device strings: Mfr=3, Product=2, SerialNumber=1
<6>usb usb1: Product: UHCI Host Controller
<6>usb usb1: Manufacturer: Linux 2.6.18.2-34-default uhci_hcd
<6>usb usb1: SerialNumber: 0000:00:1d.0
<6>usb usb1: configuration #1 chosen from 1 choice
<6>hub 1-0:1.0: USB hub found
<6>hub 1-0:1.0: 2 ports detected
<6>GSI 20 sharing vector 0xE9 and IRQ 20
<6>ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 22 (level, low) -> IRQ 233
<7>PCI: Setting latency timer of device 0000:00:1d.1 to 64
<6>uhci_hcd 0000:00:1d.1: UHCI Host Controller
<6>uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 2
<6>uhci_hcd 0000:00:1d.1: irq 233, io base 0x0000ff60
<6>usb usb2: new device found, idVendor=0000, idProduct=0000
<6>usb usb2: new device strings: Mfr=3, Product=2, SerialNumber=1
<6>usb usb2: Product: UHCI Host Controller
<6>usb usb2: Manufacturer: Linux 2.6.18.2-34-default uhci_hcd
<6>usb usb2: SerialNumber: 0000:00:1d.1
<6>usb usb2: configuration #1 chosen from 1 choice
<6>hub 2-0:1.0: USB hub found
<6>hub 2-0:1.0: 2 ports detected
<6>GSI 21 sharing vector 0x32 and IRQ 21
<6>ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 50
<7>PCI: Setting latency timer of device 0000:00:1d.2 to 64
<6>uhci_hcd 0000:00:1d.2: UHCI Host Controller
<6>uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 3
<6>uhci_hcd 0000:00:1d.2: irq 50, io base 0x0000ff40
<6>usb usb3: new device found, idVendor=0000, idProduct=0000
<6>usb usb3: new device strings: Mfr=3, Product=2, SerialNumber=1
<6>usb usb3: Product: UHCI Host Controller
<6>usb usb3: Manufacturer: Linux 2.6.18.2-34-default uhci_hcd
<6>usb usb3: SerialNumber: 0000:00:1d.2
<6>usb usb3: configuration #1 chosen from 1 choice
<6>hub 3-0:1.0: USB hub found
<6>hub 3-0:1.0: 2 ports detected
<6>hda: ATAPI 48X DVD-ROM DVD-R-RAM CD-R/RW drive, 2048kB Cache, UDMA(33)
<6>Uniform CD-ROM driver Revision: 3.20
<6>GSI 22 sharing vector 0x3A and IRQ 22
<6>ACPI: PCI Interrupt 0000:00:1d.3[D] -> GSI 23 (level, low) -> IRQ 58
<7>PCI: Setting latency timer of device 0000:00:1d.3 to 64
<6>uhci_hcd 0000:00:1d.3: UHCI Host Controller
<6>uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 4
<6>uhci_hcd 0000:00:1d.3: irq 58, io base 0x0000ff20
<6>usb usb4: new device found, idVendor=0000, idProduct=0000
<6>usb usb4: new device strings: Mfr=3, Product=2, SerialNumber=1
<6>usb usb4: Product: UHCI Host Controller
<6>usb usb4: Manufacturer: Linux 2.6.18.2-34-default uhci_hcd
<6>usb usb4: SerialNumber: 0000:00:1d.3
<6>usb usb4: configuration #1 chosen from 1 choice
<6>hub 4-0:1.0: USB hub found
<6>hub 4-0:1.0: 2 ports detected
<6>agpgart: Detected an Intel 915G Chipset.
<6>agpgart: Detected 7932K stolen memory.
<6>agpgart: AGP aperture is 256M @ 0xc0000000
<6>ACPI: PCI Interrupt 0000:00:1d.7[A] -> GSI 21 (level, low) -> IRQ 225
<7>PCI: Setting latency timer of device 0000:00:1d.7 to 64
<6>ehci_hcd 0000:00:1d.7: EHCI Host Controller
<6>ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 5
<6>ehci_hcd 0000:00:1d.7: debug port 1
<7>PCI: cache line size of 128 is not supported by device 0000:00:1d.7
<6>ehci_hcd 0000:00:1d.7: irq 225, io mem 0xffa80800
<6>ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
<6>usb usb5: new device found, idVendor=0000, idProduct=0000
<6>usb usb5: new device strings: Mfr=3, Product=2, SerialNumber=1
<6>usb usb5: Product: EHCI Host Controller
<6>usb usb5: Manufacturer: Linux 2.6.18.2-34-default ehci_hcd
<6>usb usb5: SerialNumber: 0000:00:1d.7
<6>usb usb5: configuration #1 chosen from 1 choice
<6>hub 5-0:1.0: USB hub found
<6>hub 5-0:1.0: 8 ports detected
<6>usb 2-1: new low speed USB device using uhci_hcd and address 2
<6>ACPI: PCI Interrupt 0000:00:1f.3[B] -> GSI 17 (level, low) -> IRQ 177
<6>ACPI: PCI Interrupt 0000:00:1e.2[A] -> GSI 23 (level, low) -> IRQ 58
<7>PCI: Setting latency timer of device 0000:00:1e.2 to 64
<6>intel8x0_measure_ac97_clock: measured 54316 usecs
<6>intel8x0: clocking to 48000
<6>tg3.c:v3.65 (August 07, 2006)
<6>ACPI: PCI Interrupt 0000:02:00.0[A] -> GSI 16 (level, low) -> IRQ 169
<7>PCI: Setting latency timer of device 0000:02:00.0 to 64
<6>eth0: Tigon3 [partno(BCM95751) rev 4001 PHY(5750)] (PCI Express) 
10/100/1000BaseT Ethernet 00:12:3f:2c:76:73
<6>eth0: RXcsums[1] LinkChgREG[1] MIirq[1] ASF[0] Split[0] WireSpeed[1] 
TSOcap[1]
<6>eth0: dma_rwctrl[76180000] dma_mask[64-bit]
<6>usb 2-1: new low speed USB device using uhci_hcd and address 3
<6>usb 2-1: new device found, idVendor=045e, idProduct=0040
<6>usb 2-1: new device strings: Mfr=1, Product=3, SerialNumber=0
<6>usb 2-1: Product: Microsoft 3-Button Mouse with IntelliEye(TM)
<6>usb 2-1: Manufacturer: Microsoft
<6>usb 2-1: configuration #1 chosen from 1 choice
<6>Adding 1534168k swap on /dev/sda1.  Priority:-1 extents:1 across:1534168k
<6>usb 2-2: new low speed USB device using uhci_hcd and address 4
<6>usb 2-2: new device found, idVendor=046d, idProduct=c313
<6>usb 2-2: new device strings: Mfr=1, Product=2, SerialNumber=0
<6>usb 2-2: Product: USB Multimedia Keyboard
<6>usb 2-2: Manufacturer: BTC
<6>usb 2-2: configuration #1 chosen from 1 choice
<6>usbcore: registered new driver hiddev
<6>input: Microsoft Microsoft 3-Button Mouse with IntelliEye(TM) as 
/class/input/input1
<6>input: USB HID v1.10 Mouse [Microsoft Microsoft 3-Button Mouse with 
IntelliEye(TM)] on usb-0000:00:1d.1-1
<6>input: BTC USB Multimedia Keyboard as /class/input/input2
<6>input: USB HID v1.10 Keyboard [BTC USB Multimedia Keyboard] on 
usb-0000:00:1d.1-2
<6>input: BTC USB Multimedia Keyboard as /class/input/input3
<6>input,hiddev96: USB HID v1.10 Device [BTC USB Multimedia Keyboard] on 
usb-0000:00:1d.1-2
<6>usbcore: registered new driver usbhid
<6>drivers/usb/input/hid-core.c: v2.6:USB HID core driver
<6>device-mapper: ioctl: 4.7.0-ioctl (2006-06-24) initialised: 
dm-devel@redhat.com
<6>loop: loaded (max 8 devices)
<6>AppArmor: AppArmor initialized
<5>audit(1176905450.556:2): AppArmor initialized
<4>
Kernel logging (ksyslog) stopped.
Kernel log daemon terminating.

Boot logging started on /dev/tty1(/dev/console) at Wed Apr 18 14:09:46 2007

Trying manual resume from /dev/sda1
Creating device nodes with udev
Loading ide-core
Loading ide-disk
Loading scsi_mod
Loading sd_mod
Loading processor
Loading thermal
Loading piix
Loading libata
Loading ata_piix
Loading fan
Loading edd
Loading reiserfs
Invoking userspace resume from /dev/sda1
resume: Could not stat configuration file
resume: libgcrypt version: 1.2.3
resume: Could not read the image
Invoking in-kernel resume from /dev/sda1
Waiting for device /dev/sda2 to appear:  ok
fsck 1.39 (29-May-2006)
[/bin/fsck.reiserfs (1) -- /] fsck.reiserfs -a /dev/sda2
Reiserfs super block in block 16 on 0x802 of format 3.6 with standard journal
Blocks (total/free): 60894368/59458229 by 4096 bytes
Filesystem is clean
Replaying journal..
Reiserfs journal '/dev/sda2' in blocks [18..8211]: 0 transactions replayed
Checking internal tree..finished
fsck succeeded. Mounting root device read-write.
Mounting root /dev/sda2


>Mark Lord wrote:
> > Roger While wrote:
> >> Is there any knob/option to prevent libata
> >> probing non-existent channels ?
> >> Specifically how can I stop the kernel probing
> >> the second SATA? -
> > ..
> >> <6>ata1.00: ATA-7, max UDMA/133, 490234752 sectors: LBA48 NCQ (depth 0/1)
> >> <6>ata1.00: ata1: dev 0 multi count 8
> >> <6>ata1.00: configured for UDMA/133
> >> <6>scsi1 : ata_piix
> >> <4>ata2: port is slow to respond, please be patient (Status 0xff)
> >> <3>ata2: port failed to respond (30 secs, Status 0xff)
> >> <3>ata2: SRST failed (status 0xFF)
> >> <3>ata2: SRST failed (err_mask=0x100)
> >> <4>ata2: softreset failed, retrying in 5 secs
> >> <3>ata2: SRST failed (status 0xFF)
> >> <3>ata2: SRST failed (err_mask=0x100)
> >> <4>ata2: softreset failed, retrying in 5 secs
> >> <3>ata2: SRST failed (status 0xFF)
> >> <3>ata2: SRST failed (err_mask=0x100)
> >> <3>ata2: reset failed, giving up
> > ..
> >
> > Ugh.  That could really slow down system startup.
> >
> > There is no parameter to avoid it,
> > just one to reduce the delay while it probes.  Not ideal.
> >
> > But it really could be more clever here, and notice the 0xff patterns,
> > and have an early exit if there's obviously nothing attached.
> >
> > Or perhaps there's some register it could read to see if the
> > port was disabled in the BIOS (I'm betting it is still "enabled",
> > but it could be good to check if we don't already).
> >
> > Maybe just do it in the ata_piix subdriver.  Tejun, Alan?
>
>We do consider 0xff as port empty these days.  Roger, which kernel
>version are you using?  Can you give a shot at 2.6.20.7?
>
>--
>tejun

Re: libata/SATA noprobe

[Roger While]

2.6.20.7 works fine.
As indeed does the updated Suse 2.6.18 kernel.

Case closed.

Roger



>We do consider 0xff as port empty these days.  Roger, which kernel
>version are you using?  Can you give a shot at 2.6.20.7?
>
>--
>tejun