On Sunday 03 April 2005 16:02, Daniel Drake wrote:
> Peter Baumann wrote:
> > On Wed, Mar 23, 2005 at 06:52:25PM -0800, Andrew Morton wrote:
> >
> >>Peter Baumann <[email protected]> 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.
nice. could i get dmesg output, lspci, lspci -vvvn output with the attached
patch applied?
thanks, rgds
-daniel
--- 1.81/drivers/pci/pci.c 2005-03-03 08:17:57 +01:00
+++ edited/drivers/pci/pci.c 2005-04-05 00:37:13 +02:00
@@ -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) > 3) {
printk(KERN_DEBUG
"PCI: %s has unsupported PM cap regs version (%u)\n",
pci_name(dev), pmc & PCI_PM_CAP_VER_MASK);
@@ -287,15 +287,19 @@
* This doesn't affect PME_Status, disables PME_En, and
* sets PowerState to 0.
*/
- if (dev->current_state >= PCI_D3hot)
+ printk("PCI: %s pmc: %04x, current_state: %08x, pmcsr: ", pci_name(dev), pmc, dev->current_state);
+ if (dev->current_state >= PCI_D3hot) {
pmcsr = 0;
- else {
+ printk("0");
+ } else {
pci_read_config_word(dev, pm + PCI_PM_CTRL, &pmcsr);
+ printk("%04x", pmcsr);
pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
pmcsr |= state;
}
/* enter specified state */
+ printk(", new: %04x\n", pmcsr);
pci_write_config_word(dev, pm + PCI_PM_CTRL, pmcsr);
/* Mandatory power management transition delays */
-
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