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Re: Ethernet chip disappeared from lspci

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Nevermind, this is a POS machine with a big battery inside.
When I allowed it to discharge, the network card came back
with PXE boot. There might have been some bad state kept
by the battery.

Sorry for the noise.

2015-06-19 15:24 keltezéssel, Boszormenyi Zoltan írta:
> Hi,
>
> I have a problem on a special POS mainboard that has
> a Realtek RTL8111/8168/8411 chip. I use mainline kernel 4.0.5.
>
> The initial problem was that when r8169 was not blacklisted,
> as soon as this driver loaded, a lot of IRQ problems popped up,
> like pressing keys on the USB keyboard made the keys duplicated
> and the system was sluggish. Upon powering off the system,
> the r8169 driver compained about "rtl_eriar_cond = 1 loop 100"
> or something like that and the system couldn't even reboot or
> get powered down properly.
>
> It was impossible to get dmesg or other diagnostics info out of
> the system in this state.
>
> When I blacklisted r8169, everything was OK except there was
> no network, obviously.
>
> I also noticed that with kernel 4.0.5, there are memory range conflicts, like
>
> pci 0000:00:02.0: can't claim BAR 0 [mem ....]: address conflict with PCI Bus 0000:00 [mem
> ... window]
>
> I also tried to load the r8168 driver from Realtek, with the
> same results as with r8169.
>
> I don't know what happened, was it the "official" Realtek driver
> that disabled the chip, or that I toggled the PXE boot in the BIOS,
> but now lspci doesn't list the ethernet chip anymore and not even
> the PXE boot messages show up, despite it being enabled in the BIOS.
> I tried kernels 3.18.16, 4.0.5 again and 4.1.0-rc8.
>
> I have this in dmesg:
>
> [    0.136171] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 *7 10 11 12 14 15)
> [    0.136323] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 10 11 12 *14 15)
> [    0.136466] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 10 11 12 14 *15)
> [    0.136609] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 10 11 12 14 *15)
> [    0.136751] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
> [    0.136894] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
> [    0.137050] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
> [    0.137195] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 *6 7 10 11 12 14 15)
>
> and
>
> [    0.139098] PCI: Using ACPI for IRQ routing
> [    0.139098] PCI: pci_cache_line_size set to 64 bytes
> [    0.139098] pci 0000:00:02.0: can't claim BAR 0 [mem 0xfeb00000-0xfeb7ffff]: address
> conflict with PCI Bus 0000:00 [mem 0xf0000000-0xfed8ffff window]
> [    0.139098] pci 0000:00:02.0: can't claim BAR 2 [mem 0xd0000000-0xdfffffff pref]:
> address conflict with PCI Bus 0000:00 [mem 0x7f700000-0xdfffffff window]
> [    0.139104] pci 0000:00:02.0: can't claim BAR 3 [mem 0xfea00000-0xfeafffff]: address
> conflict with PCI Bus 0000:00 [mem 0xf0000000-0xfed8ffff window]
> [    0.139113] pci 0000:00:02.1: can't claim BAR 0 [mem 0xfeb80000-0xfebfffff]: address
> conflict with PCI Bus 0000:00 [mem 0xf0000000-0xfed8ffff window]
> [    0.139123] pci 0000:00:1b.0: can't claim BAR 0 [mem 0xfe9f8000-0xfe9fbfff 64bit]:
> address conflict with PCI Bus 0000:00 [mem 0xf0000000-0xfed8ffff window]
> [    0.139146] pci 0000:00:1d.7: can't claim BAR 0 [mem 0xfe9f7c00-0xfe9f7fff]: address
> conflict with PCI Bus 0000:00 [mem 0xf0000000-0xfed8ffff window]
> [    0.139161] pci 0000:00:1f.2: can't claim BAR 5 [mem 0xfe9f7800-0xfe9f7bff]: address
> conflict with PCI Bus 0000:00 [mem 0xf0000000-0xfed8ffff window]
> [    0.139190] Expanded resource reserved due to conflict with PCI Bus 0000:00
>
> Full dmesg for 4.0.5 is attached.
>
> Can anyone help me re-enable the network card?
>
> Thanks in advance,
> Zoltán Böszörményi
>

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Re: Ethernet chip disappeared from lspci Boszormenyi Zoltan <zboszor@pr.hu> - 2015-06-19 15:40 +0200
  ACPI regression? Was Re: Ethernet chip disappeared from lspci Boszormenyi Zoltan <zboszor@pr.hu> - 2015-06-19 15:50 +0200
    Re: ACPI regression? Was Re: Ethernet chip disappeared from lspci Boszormenyi Zoltan <zboszor@pr.hu> - 2015-06-21 17:40 +0200
    Re: ACPI regression? Was Re: Ethernet chip disappeared from lspci Jiang Liu <jiang.liu@linux.intel.com> - 2015-06-21 19:30 +0200
      Re: ACPI regression? Was Re: Ethernet chip disappeared from lspci Jiang Liu <jiang.liu@linux.intel.com> - 2015-06-21 20:00 +0200

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