Re: [Bug] invalid mac address after rebooting (kernel 2.6.11.5)

[Andrew Morton <akpm@osdl.org>]

Peter Baumann <Peter.B.Baumann@stud.informatik.uni-erlangen.de> wrote:
>
> 
> I'm hitting an annoying bug in kernel 2.6.11.5
> 
> Every time I _reboot_ (warmstart) my pc my two network cards won't get
> recognized any longer.
> 
> Following error message appears on my screen:
> 
> PCI: Enabling device 0000:00:0b.0 (0000 -> 0003)
> ACPI: PCI interrupt 0000:00:0b.0[A] -> GSI 19 (level, low) -> IRQ 19
> 3c59x: Donald Becker and others. www.scyld.com/network/vortex.html
> 0000:00:0b.0: 3Com PCI 3c905B Cyclone 100baseTx at 0x1000. Vers LK1.1.19
> PCI: Setting latency timer of device 0000:00:0b.0 to 64
> *** EEPROM MAC address is invalid.
> 3c59x: vortex_probe1 fails.  Returns -22
> 3c59x: probe of 0000:00:0b.0 failed with error -22
> PCI: Enabling device 0000:00:0d.0 (0000 -> 0003)
> ACPI: PCI interrupt 0000:00:0d.0[A] -> GSI 19 (level, low) -> IRQ 19
> 0000:00:0d.0: 3Com PCI 3c905B Cyclone 100baseTx at 0x1080. Vers LK1.1.19
> PCI: Setting latency timer of device 0000:00:0d.0 to 64
> *** EEPROM MAC address is invalid.
> 3c59x: vortex_probe1 fails.  Returns -22
> 3c59x: probe of 0000:00:0d.0 failed with error -22
> 
> This doesn't happen with older kernels (especially with 2.6.10) and so
> I've done a binary search and narrowed it down to 2.6.11-rc5 where it
> first hits me.
> 
> My config, lspci output and the dmesg output of the working and non-working
> version can be found at [1]
> 
> Feel free to ask if any information is missing or if I am supposed to try
> a patch.

Thanks for doing the bsearch - it helps.

There were no driver changes between 2.6.11-rc4 and 2.6.11-rc5.

The only PCI change I see is

--- drivers/pci/pci.c   22 Jan 2005 03:20:37 -0000      1.71
+++ drivers/pci/pci.c   24 Feb 2005 18:02:37 -0000      1.72
@@ -268,7 +268,7 @@
                return -EIO; 
 
        pci_read_config_word(dev,pm + PCI_PM_PMC,&pmc);
-       if ((pmc & PCI_PM_CAP_VER_MASK) != 2) {
+       if ((pmc & PCI_PM_CAP_VER_MASK) > 2) {
                printk(KERN_DEBUG
                       "PCI: %s has unsupported PM cap regs version (%u)\n",
                       dev->slot_name, pmc & PCI_PM_CAP_VER_MASK);

and you're not getting that message (are you?)

Nothing much in arch/i386..

There were some ACPI changes, which is always a worry ;) Does that machine
run OK without ACPI support?  If so, could you determine whether disabling
ACPI fixes things up?

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