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    SubjectRe: linux-2.6.19-rc2 PCI problem
    Greg, is this 2.6.19-rc1 regression anything you've already heard about, 
    or should Jeff bisect for the commit that broke it?

    On Sat, Oct 28, 2006 at 09:05:01AM +0800, Jeff Chua wrote:
    > On 10/28/06, Adrian Bunk <bunk@stusta.de> wrote:
    >
    > >That's still pretty terse...
    > >If there is anything interesting in the dmesg, it's above this point
    > >(Please send complete "dmesg -s 1000000" for both cases).
    >
    >
    > The working one (2.6.18) ...
    >
    > Linux version 2.6.18 (root@indiana.corp.fedex.com) (gcc version 3.4.5) #3
    >...
    > Brought up 2 CPUs
    > migration_cost=325
    > NET: Registered protocol family 16
    > ACPI: bus type pci registered
    > PCI: Using MMCONFIG
    > Setting up standard PCI resources
    > ACPI: Interpreter enabled
    > ACPI: Using IOAPIC for interrupt routing
    > ACPI: PCI Root Bridge [PCI0] (0000:00)
    > PCI: Probing PCI hardware (bus 00)
    > ACPI: Assume root bridge [\_SB_.PCI0] bus is 0
    > Boot video device is 0000:00:02.0
    > PCI: Ignoring BAR0-3 of IDE controller 0000:00:1f.1
    > PCI: Transparent bridge - 0000:00:1e.0
    > ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
    > ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCI4._PRT]
    > ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCI2._PRT]
    > ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCI3._PRT]
    > ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCI1._PRT]
    > ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 *11 12 15)
    > ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 9 *10 11 12 15)
    > ACPI: PCI Interrupt Link [LNKC] (IRQs *3 4 5 6 7 9 10 11 12 15)
    > ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 9 10 11 12 15) *0, disabled.
    > ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 *5 6 7 9 10 11 12 15)
    > ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 *9 10 11 12 15)
    > ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 *5 6 7 9 10 11 12 15)
    > ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 9 *10 11 12 15)
    > Linux Plug and Play Support v0.97 (c) Adam Belay
    > pnp: PnP ACPI init
    > pnp: PnP ACPI: found 10 devices
    > SCSI subsystem initialized
    > usbcore: registered new driver usbfs
    > usbcore: registered new driver hub
    > PCI: Using ACPI for IRQ routing
    > PCI: Routing PCI interrupts for all devices because "pci=routeirq" specified
    > ACPI: PCI Interrupt 0000:00:01.0[A] -> GSI 16 (level, low) -> IRQ 16
    > ACPI: PCI Interrupt 0000:00:02.0[A] -> GSI 16 (level, low) -> IRQ 16
    > ACPI: PCI Interrupt 0000:00:1c.0[A] -> GSI 16 (level, low) -> IRQ 16
    > ACPI: PCI Interrupt 0000:00:1c.1[B] -> GSI 17 (level, low) -> IRQ 17
    > ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 21 (level, low) -> IRQ 18
    > ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 22 (level, low) -> IRQ 19
    > ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 20
    > ACPI: PCI Interrupt 0000:00:1d.3[D] -> GSI 23 (level, low) -> IRQ 21
    > ACPI: PCI Interrupt 0000:00:1d.7[A] -> GSI 21 (level, low) -> IRQ 18
    > ACPI: PCI Interrupt 0000:00:1e.2[A] -> GSI 23 (level, low) -> IRQ 21
    > ACPI: PCI Interrupt 0000:00:1f.1[A] -> GSI 16 (level, low) -> IRQ 16
    > ACPI: PCI Interrupt 0000:00:1f.2[C] -> GSI 20 (level, low) -> IRQ 22
    > ACPI: PCI Interrupt 0000:00:1f.3[B] -> GSI 17 (level, low) -> IRQ 17
    > ACPI: PCI Interrupt 0000:02:00.0[A] -> GSI 16 (level, low) -> IRQ 16
    > NET: Registered protocol family 23
    >...
    > The bad one (2.6.19-rc1) "diff" ..
    >...
    > 134,135c151,153
    > < usbcore: registered new driver usbfs
    > < usbcore: registered new driver hub
    > ---
    > >usbcore: registered new interface driver usbfs
    > >usbcore: registered new interface driver hub
    > >usbcore: registered new device driver usb
    > 151a170,179
    > >PCI: Cannot allocate resource region 8 of bridge 0000:00:01.0
    > >PCI: Cannot allocate resource region 8 of bridge 0000:00:1c.0
    > >PCI: Cannot allocate resource region 8 of bridge 0000:00:1c.1
    > >PCI: Cannot allocate resource region 0 of device 0000:00:02.0
    > >PCI: Cannot allocate resource region 3 of device 0000:00:02.0
    > >PCI: Cannot allocate resource region 0 of device 0000:00:02.1
    > >PCI: Cannot allocate resource region 0 of device 0000:00:1d.7
    >
    > >PCI: Cannot allocate resource region 2 of device 0000:00:1e.2
    > >PCI: Cannot allocate resource region 3 of device 0000:00:1e.2
    > >PCI: Cannot allocate resource region 0 of device 0000:02:00.0
    > 164a193,199
    > >PCI: Failed to allocate mem resource #8:100000@e1000000 for 0000:00:1c.0
    > >PCI: Failed to allocate mem resource #0:80000@e1000000 for 0000:00:02.0
    > >PCI: Failed to allocate mem resource #0:80000@e1000000 for 0000:00:02.1
    > >PCI: Failed to allocate mem resource #3:40000@e1000000 for 0000:00:02.0
    > >PCI: Failed to allocate mem resource #0:400@e1000000 for 0000:00:1d.7
    > >PCI: Failed to allocate mem resource #2:200@e1000000 for 0000:00:1e.2
    > >PCI: Failed to allocate mem resource #3:100@e1000000 for 0000:00:1e.2
    > 167c202
    > < MEM window: fe900000-fe9fffff
    > ---
    > > MEM window: disabled.
    > 168a204
    > >PCI: Failed to allocate mem resource #0:10000@0 for 0000:02:00.0
    > 171c207
    > < MEM window: fe800000-fe8fffff
    > ---
    > > MEM window: disabled.
    > 175c211
    > < MEM window: fe700000-fe7fffff
    > ---
    > > MEM window: disabled.
    >...

    So it's a PCI problem, not a tg3 issue.

    > 286,295c319,321
    > < 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 128 is not supported by device 0000:00:1d.7
    > < ehci_hcd 0000:00:1d.7: irq 18, io mem 0xffa80800
    > < 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
    > ---
    > >ACPI: PCI interrupt for device 0000:00:1d.7 disabled
    > >ehci_hcd 0000:00:1d.7: init 0000:00:1d.7 fail, -16
    > >ehci_hcd: probe of 0000:00:1d.7 failed with error -16
    >...

    And tg3 is even not the first driver that fails after this...

    > Thanks,
    > Jeff.

    cu
    Adrian

    --

    "Is there not promise of rain?" Ling Tan asked suddenly out
    of the darkness. There had been need of rain for many days.
    "Only a promise," Lao Er said.
    Pearl S. Buck - Dragon Seed

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