Messages in this thread | | | Date | Sun, 03 Apr 2005 14:40:05 +0100 | From | Daniel Drake <> | Subject | Re: [Bug] invalid mac address after rebooting (kernel 2.6.11.5) |
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Peter Baumann wrote: > On Wed, Mar 23, 2005 at 06:52:25PM -0800, Andrew Morton wrote: > >>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?) >> > > > Reverting the above patch solved it.
A gentoo user also reported this, but according to the bug report, this happens on every bootup (as opposed to only every warm boot)
http://bugs.gentoo.org/87142
I asked him to try reverting the patch shown above and that helped his situation too.
What's next towards getting this fixed for real?
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