Date:	Thu, 26 Jun 2008 14:08:05 -0700
From:	Michael Grollman <mgrollman@...us.com>
To:	Francois Romieu <romieu@...zoreil.com>
CC:	netdev@...r.kernel.org
Subject: Re: 8169 Intermittent ifup Failure Issue With RTL8102E Chipset in
 Intel's New D945GCLF Atom Board (Not the Initial Modprobe Crash, Another
 Problem)

Francois,

Per instructions, I built an 2.6.26-rc8 system on the target Intel 
hardware, and was able to re-recreate the intermittent failure of the 
8201.  When in failure mode, the lspci -vx' display of the pci registers 
of the 8102 is as follows:

01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E 
PCI Express Fast Ethernet controller (rev ff) (prog-if ff)
    !!! Unknown header type 7f
00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
20: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff

When the same hardware, running the same kernel, lspci -vx' display of 
the pci registers of the 8102 is as follows:

01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E 
PCI Express Fast Ethernet controller (rev 02)
    Subsystem: Intel Corporation Unknown device 0001
    Flags: bus master, fast devsel, latency 0, IRQ 16
    I/O ports at 1000 [size=256]
    Memory at 30100000 (64-bit, non-prefetchable) [size=4K]
    Memory at 30000000 (64-bit, prefetchable) [size=64K]
    Expansion ROM at 30020000 [disabled] [size=128K]
    Capabilities: [40] Power Management version 3
    Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ 
Queue=0/0 Enable-
    Capabilities: [70] Express Endpoint IRQ 1
    Capabilities: [ac] MSI-X: Enable- Mask- TabSize=2
    Capabilities: [cc] Vital Product Data
00: ec 10 36 81 07 00 10 00 02 00 00 02 08 00 00 00
10: 01 10 00 00 00 00 00 00 04 00 10 30 00 00 00 00
20: 0c 00 00 30 00 00 00 00 00 00 00 00 86 80 01 00
30: 00 00 fe ff 40 00 00 00 00 00 00 00 0b 01 00 00

Note as well, uname -a =  "Linux nscibus 2.6.26-rc8 #1 PREEMPT Thu Jun 
26 20:02:39 GMT 2008 i686 GNU/Linux"

I list the full dmesg for this system during failure modem below, as 
reference only.

Let me know if there is anything else I can do to collect information on 
this situation.

Merci,'

- Michael Grollman



Francois Romieu wrote:
>
>
> [...]
>   
>> Patch of <a class="moz-txt-link-freetext" href="http://lkml.org/lkml/2008/4/17/298">http://lkml.org/lkml/2008/4/17/298</a> seems to fix the boot-up
>> modprobe crash related to r8169 Intermittent Issue With RTL8102E
>> Chipset in Intel's New D945GCLF Atom Board.&nbsp; However, the r8169 still
>> only seems to work with this motherboard / realtek combo a certain
>> percentage of the time.&nbsp; I have found the best luck when unplugging the
>> power supply for 5 minutes, and then bring it up cold, thought his was
>> also not perfect.&nbsp; Warm boots, then r8169 driver will load, but not
>> work correctly all the time.<br>
>>     
>
> Can you simply check with the latest -rc that 'lspci -vx' correctly displays
> the pci registers of the 8102 when the device does not work ?
>
>   
---------------------------------

_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
ACPI: IRQ0 used by override.
ACPI: IRQ2 used by override.
ACPI: IRQ9 used by override.
Enabling APIC mode:  Flat.  Using 1 I/O APICs
Using ACPI (MADT) for SMP configuration information
Allocating PCI resources starting at 30000000 (gap: 20000000:d0000000)
PM: Registered nosave memory: 000000000008f000 - 00000000000a0000
PM: Registered nosave memory: 00000000000a0000 - 00000000000e0000
PM: Registered nosave memory: 00000000000e0000 - 0000000000100000
PM: Registered nosave memory: 000000001f525000 - 000000001f52d000
PM: Registered nosave memory: 000000001f5bd000 - 000000001f5c1000
PM: Registered nosave memory: 000000001f660000 - 000000001f6f0000
PM: Registered nosave memory: 000000001f6f3000 - 000000001f6ff000
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 127762
Kernel command line: root=/dev/sdb2
mapped APIC to ffffb000 (fee00000)
mapped IOAPIC to ffffa000 (fec00000)
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
PID hash table entries: 2048 (order: 11, 8192 bytes)
Detected 1596.171 MHz processor.
Console: colour VGA+ 80x25
console [tty0] enabled
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Memory: 503208k/515072k available (2142k kernel code, 10272k reserved, 
858k data, 204k init, 0k highmem)
virtual kernel memory layout:
    fixmap  : 0xfffa7000 - 0xfffff000   ( 352 kB)
    pkmap   : 0xff800000 - 0xffc00000   (4096 kB)
    vmalloc : 0xe0000000 - 0xff7fe000   ( 503 MB)
    lowmem  : 0xc0000000 - 0xdf700000   ( 503 MB)
      .init : 0xc03f2000 - 0xc0425000   ( 204 kB)
      .data : 0xc0317878 - 0xc03ee418   ( 858 kB)
      .text : 0xc0100000 - 0xc0317878   (2142 kB)
Checking if this processor honours the WP bit even in supervisor mode...Ok.
CPA: page pool initialized 1 of 1 pages preallocated
Calibrating delay using timer specific routine.. 3194.16 BogoMIPS 
(lpj=1597082)
Mount-cache hash table entries: 512
CPU: L1 I cache: 32K, L1 D cache: 24K
CPU: L2 cache: 512K
using mwait in idle threads.
CPU: Intel(R) Atom(TM) CPU  230   @ 1.60GHz stepping 02
Checking 'hlt' instruction... OK.
Freeing SMP alternatives: 0k freed
ACPI: Core revision 20080321
ENABLING IO-APIC IRQs
..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
net_namespace: 628 bytes
NET: Registered protocol family 16
No dock devices found.
ACPI: bus type pci registered
PCI: Found Intel Corporation 945G/GZ/P/PL Express Memory Controller Hub 
without MMCONFIG support.
PCI: Using configuration type 1 for base access
Setting up standard PCI resources
ACPI: EC: Look up EC in DSDT
ACPI: Interpreter enabled
ACPI: (supports S0 S1 S3 S4 S5)
ACPI: Using IOAPIC for interrupt routing
ACPI: PCI Root Bridge [PCI0] (0000:00)
pci 0000:00:1f.0: Force enabled HPET at 0xfed00000
pci 0000:00:1f.0: quirk: region 0400-047f claimed by ICH6 ACPI/GPIO/TCO
pci 0000:00:1f.0: quirk: region 0500-053f claimed by ICH6 GPIO
PCI: Transparent bridge - 0000:00:1e.0
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.P32_._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PEX0._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PEX2._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PEX3._PRT]
ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 7 9 10 *11 12)
ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 7 *9 10 11 12)
ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 7 9 10 *11 12)
ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 7 *9 10 11 12)
ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 7 9 *10 11 12)
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI init
ACPI: bus type pnp registered
pnp: PnP ACPI: found 11 devices
ACPI: ACPI bus type pnp unregistered
SCSI subsystem initialized
libata version 3.00 loaded.
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
PCI: Using ACPI for IRQ routing
hpet clockevent registered
system 00:01: iomem range 0xf0000000-0xf3ffffff could not be reserved
system 00:01: iomem range 0xfed13000-0xfed13fff could not be reserved
system 00:01: iomem range 0xfed14000-0xfed17fff could not be reserved
system 00:01: iomem range 0xfed18000-0xfed18fff could not be reserved
system 00:01: iomem range 0xfed19000-0xfed19fff could not be reserved
system 00:01: iomem range 0xfed1c000-0xfed1ffff could not be reserved
system 00:01: iomem range 0xfed20000-0xfed3ffff could not be reserved
system 00:01: iomem range 0xfed45000-0xfed99fff could not be reserved
system 00:01: iomem range 0xc0000-0xdffff could not be reserved
system 00:01: iomem range 0xe0000-0xfffff could not be reserved
system 00:06: ioport range 0x500-0x53f has been reserved
system 00:06: ioport range 0x400-0x47f has been reserved
system 00:06: ioport range 0x680-0x6ff has been reserved
PCI: Bridge: 0000:00:1c.0
  IO window: 1000-1fff
  MEM window: 0x30100000-0x301fffff
  PREFETCH window: 0x0000000030000000-0x00000000300fffff
PCI: Bridge: 0000:00:1c.2
  IO window: disabled.
  MEM window: disabled.
  PREFETCH window: disabled.
PCI: Bridge: 0000:00:1c.3
  IO window: disabled.
  MEM window: disabled.
  PREFETCH window: disabled.
PCI: Bridge: 0000:00:1e.0
  IO window: disabled.
  MEM window: disabled.
  PREFETCH window: disabled.
ACPI: PCI Interrupt 0000:00:1c.0[A] -> GSI 17 (level, low) -> IRQ 17
PCI: Setting latency timer of device 0000:00:1c.0 to 64
ACPI: PCI Interrupt 0000:00:1c.2[C] -> GSI 18 (level, low) -> IRQ 18
PCI: Setting latency timer of device 0000:00:1c.2 to 64
ACPI: PCI Interrupt 0000:00:1c.3[D] -> GSI 19 (level, low) -> IRQ 19
PCI: Setting latency timer of device 0000:00:1c.3 to 64
PCI: Setting latency timer of device 0000:00:1e.0 to 64
NET: Registered protocol family 2
IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
TCP established hash table entries: 16384 (order: 5, 131072 bytes)
TCP bind hash table entries: 16384 (order: 4, 65536 bytes)
TCP: Hash tables configured (established 16384 bind 16384)
TCP reno registered
NET: Registered protocol family 1
checking if image is initramfs... it is
Freeing initrd memory: 2357k freed
msgmni has been set to 988
io scheduler noop registered
io scheduler cfq registered (default)
pci 0000:00:02.0: Boot video device
PCI: Setting latency timer of device 0000:00:1c.0 to 64
assign_interrupt_mode Found MSI capability
Allocate Port Service[0000:00:1c.0:pcie00]
Allocate Port Service[0000:00:1c.0:pcie02]
PCI: Setting latency timer of device 0000:00:1c.2 to 64
assign_interrupt_mode Found MSI capability
Allocate Port Service[0000:00:1c.2:pcie00]
Allocate Port Service[0000:00:1c.2:pcie02]
PCI: Setting latency timer of device 0000:00:1c.3 to 64
assign_interrupt_mode Found MSI capability
Allocate Port Service[0000:00:1c.3:pcie00]
Allocate Port Service[0000:00:1c.3:pcie02]
input: Power Button (FF) as /class/input/input0
ACPI: Power Button (FF) [PWRF]
input: Sleep Button (CM) as /class/input/input1
ACPI: Sleep Button (CM) [SLPB]
ACPI: ACPI0007:00 is registered as cooling_device0
Serial: 8250/16550 driver $Revision: 1.90 $ 2 ports, IRQ sharing enabled
Switched to high resolution mode on CPU 0
serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
00:09: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
brd: module loaded
Uniform Multi-Platform E-IDE driver
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
ICH7: IDE controller (0x8086:0x27df rev 0x01) at  PCI slot 0000:00:1f.1
ACPI: PCI Interrupt 0000:00:1f.1[A] -> GSI 18 (level, low) -> IRQ 18
ICH7: not 100% native mode: will probe irqs later
ICH7: IDE port disabled
    ide0: BM-DMA at 0x20b0-0x20b7
Probing IDE interface ide0...
hda: CD-RW IDE5232, ATAPI CD/DVD-ROM drive
hda: host max PIO4 wanted PIO255(auto-tune) selected PIO4
hda: host side 80-wire cable detection failed, limiting max speed to UDMA33
hda: UDMA/33 mode selected
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide_generic: please use "probe_mask=0x3f" module parameter for probing 
all legacy ISA IDE ports
ide_generic: I/O resource 0x1F0-0x1F7 not free.
ide_generic: I/O resource 0x170-0x177 not free.
hda: ATAPI 52X CD-ROM CD-R/RW drive, 2048kB Cache
Uniform CD-ROM driver Revision: 3.20
usbmon: debugfs is not available
ACPI: PCI Interrupt 0000:00:1d.7[A] -> GSI 23 (level, low) -> IRQ 23
PCI: Setting latency timer of device 0000:00:1d.7 to 64
ehci_hcd 0000:00:1d.7: EHCI Host Controller
ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 1
ehci_hcd 0000:00:1d.7: debug port 1
PCI: cache line size of 32 is not supported by device 0000:00:1d.7
ehci_hcd 0000:00:1d.7: irq 23, io mem 0x302c4000
ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 8 ports detected
ohci_hcd: 2006 August 04 USB 1.1 'Open' Host Controller (OHCI) Driver
USB Universal Host Controller Interface driver v3.0
ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 23 (level, low) -> IRQ 23
PCI: Setting latency timer of device 0000:00:1d.0 to 64
uhci_hcd 0000:00:1d.0: UHCI Host Controller
uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 2
uhci_hcd 0000:00:1d.0: irq 23, io base 0x00002080
usb usb2: configuration #1 chosen from 1 choice
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 19 (level, low) -> IRQ 19
PCI: Setting latency timer of device 0000:00:1d.1 to 64
uhci_hcd 0000:00:1d.1: UHCI Host Controller
uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 3
uhci_hcd 0000:00:1d.1: irq 19, io base 0x00002060
usb usb3: configuration #1 chosen from 1 choice
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 18
PCI: Setting latency timer of device 0000:00:1d.2 to 64
uhci_hcd 0000:00:1d.2: UHCI Host Controller
uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 4
uhci_hcd 0000:00:1d.2: irq 18, io base 0x00002040
usb usb4: configuration #1 chosen from 1 choice
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 2 ports detected
usb 1-3: new high speed USB device using ehci_hcd and address 2
ACPI: PCI Interrupt 0000:00:1d.3[D] -> GSI 16 (level, low) -> IRQ 16
PCI: Setting latency timer of device 0000:00:1d.3 to 64
uhci_hcd 0000:00:1d.3: UHCI Host Controller
uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 5
uhci_hcd 0000:00:1d.3: irq 16, io base 0x00002020
usb usb5: configuration #1 chosen from 1 choice
hub 5-0:1.0: USB hub found
hub 5-0:1.0: 2 ports detected
usb 1-3: configuration #1 chosen from 1 choice
Initializing USB Mass Storage driver...
scsi0 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 2
usb-storage: waiting for device to settle before scanning
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
PNP: PS/2 Controller [PNP0303:PS2K,PNP0f03:PS2M] at 0x60,0x64 irq 1,12
serio: i8042 KBD port at 0x60,0x64 irq 1
serio: i8042 AUX port at 0x60,0x64 irq 12
mice: PS/2 mouse device common for all mice
input: AT Translated Set 2 keyboard as /class/input/input2
padlock: VIA PadLock not detected.
padlock: VIA PadLock Hash Engine not detected.
TCP cubic registered
NET: Registered protocol family 17
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
Using IPI Shortcut mode
Freeing unused kernel memory: 204k freed
input: ImPS/2 Generic Wheel Mouse as /class/input/input3
r8169 Gigabit Ethernet driver 2.2LK-NAPI loaded
ACPI: PCI Interrupt 0000:01:00.0[A] -> GSI 16 (level, low) -> IRQ 16
PCI: Setting latency timer of device 0000:01:00.0 to 64
r8169 0000:01:00.0: unknown MAC (27a00000)
r8169 0000:01:00.0: no MSI. Back to INTx.
eth0: RTL8169 at 0xe0020000, 00:1c:c0:45:de:94, XID 24a00000 IRQ 16
ata_piix 0000:00:1f.2: version 2.12
ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (level, low) -> IRQ 19
ata_piix 0000:00:1f.2: MAP [ P0 P2 P1 P3 ]
PCI: Setting latency timer of device 0000:00:1f.2 to 64
scsi1 : ata_piix
scsi2 : ata_piix
ata1: SATA max UDMA/133 cmd 0x20c8 ctl 0x20ec bmdma 0x20a0 irq 19
ata2: SATA max UDMA/133 cmd 0x20c0 ctl 0x20e8 bmdma 0x20a8 irq 19
ata1.00: ATA-8: WDC WD600BEVS-22UST0, 01.01A01, max UDMA/133
ata1.00: 117210240 sectors, multi 16: LBA48 NCQ (depth 0/32)
ata1.00: configured for UDMA/133
scsi 1:0:0:0: Direct-Access     ATA      WDC WD600BEVS-22 01.0 PQ: 0 ANSI: 5
Driver 'sd' needs updating - please use bus_type methods
sd 1:0:0:0: [sda] 117210240 512-byte hardware sectors (60012 MB)
sd 1:0:0:0: [sda] Write Protect is off
sd 1:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 1:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 1:0:0:0: [sda] 117210240 512-byte hardware sectors (60012 MB)
sd 1:0:0:0: [sda] Write Protect is off
sd 1:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 1:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
 sda: sda1 sda2
sd 1:0:0:0: [sda] Attached SCSI disk
scsi 0:0:0:0: Direct-Access     OEI-USB2 Ultra Disk Drive 2.22 PQ: 0 ANSI: 0
sd 0:0:0:0: [sdb] 1981728 512-byte hardware sectors (1015 MB)
sd 0:0:0:0: [sdb] Write Protect is off
sd 0:0:0:0: [sdb] Mode Sense: 0b 00 00 08
sd 0:0:0:0: [sdb] Assuming drive cache: write through
sd 0:0:0:0: [sdb] 1981728 512-byte hardware sectors (1015 MB)
sd 0:0:0:0: [sdb] Write Protect is off
sd 0:0:0:0: [sdb] Mode Sense: 0b 00 00 08
sd 0:0:0:0: [sdb] Assuming drive cache: write through
 sdb: sdb1 sdb2 sdb3 sdb4
sd 0:0:0:0: [sdb] Attached SCSI removable disk
usb-storage: device scan complete
ACPI: PCI Interrupt 0000:00:1b.0[A] -> GSI 22 (level, low) -> IRQ 22
PCI: Setting latency timer of device 0000:00:1b.0 to 64
hda_codec: Unknown model for ALC662, trying auto-probe from BIOS...
intel_rng: Firmware space is locked read-only. If you can't or
intel_rng: don't want to disable this in firmware setup, and if
intel_rng: you are certain that your system has a functional
intel_rng: RNG, try using the 'no_fwh_detect' option.
iTCO_vendor_support: vendor-support=0
iTCO_wdt: Intel TCO WatchDog Timer Driver v1.03 (30-Apr-2008)
iTCO_wdt: Found a ICH7 or ICH7R TCO device (Version=2, TCOBASE=0x0460)
iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0)
ACPI: PCI Interrupt 0000:00:1f.3[B] -> GSI 19 (level, low) -> IRQ 19
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
natsemi dp8381x driver, version 2.1, Sept 11, 2006
  originally by Donald Becker <becker@...ld.com>
  2.4.x kernel port by Jeff Garzik, Tjeerd Mulder
ieee80211_crypt: registered algorithm 'NULL'
device-mapper: ioctl: 4.13.0-ioctl (2007-10-18) initialised: 
dm-devel@...hat.com
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
EXT2-fs warning (device sda1): ext2_fill_super: mounting ext3 filesystem 
as ext2
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
r8169: eth0: link up
r8169: eth0: link up
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
warning: `ntpd' uses 32-bit capabilities (legacy support in use)
eth0: no IPv6 routers present

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