Red Hat Bugzilla – Bug 241503
e100 no longer works after update from 2.6.20-1.2933 to 2948
Last modified: 2012-07-23 22:59:34 EDT
Description of problem:
After updating Kernel from 2.6.20-1.2933.fc6 to 2.6.20-1.2948.fc6 all of my 3
network cards (e100) no longer works, kernel module loads but no packets are
lnx kernel: Linux version 2.6.20-1.2948.fc6
(email@example.com) (gcc version 4.1.1 2007..
May 26 23:53:31 lnx kernel: PCI: Firmware left 0000:02:08.0 e100 interrupts
May 26 23:53:31 lnx kernel: PCI: Firmware left 0000:02:0d.0 e100 interrupts
May 26 23:53:31 lnx kernel: PCI: Transparent bridge - 0000:00:1e.0
May 26 23:53:31 lnx kernel: PCI: Using IRQ router PIIX/ICH [8086/2440] at
(In reply to comment #0)
> Description of problem:
> After updating Kernel from 2.6.20-1.2933.fc6 to 2.6.20-1.2948.fc6 all of my 3
> network cards (e100) no longer works, kernel module loads but no packets are
> May 26 23:53:31 lnx kernel: PCI: Firmware left 0000:02:08.0 e100 interrupts
> enabled, disabling
> May 26 23:53:31 lnx kernel: PCI: Firmware left 0000:02:0d.0 e100 interrupts
> enabled, disabling
Are those messages new (only started after the kernel update?)
yes, they are. With 2.6.20-1.2933.fc6 it works fine. Here the output from lcpci,
may be it helps:
00:00.0 Host bridge: Intel Corporation 82845 845 (Brookdale) Chipset Host Bridge
00:01.0 PCI bridge: Intel Corporation 82845 845 (Brookdale) Chipset AGP Bridge (
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 12)
00:1f.0 ISA bridge: Intel Corporation 82801BA ISA Bridge (LPC) (rev 12)
00:1f.1 IDE interface: Intel Corporation 82801BA IDE U100 (rev 12)
00:1f.2 USB Controller: Intel Corporation 82801BA/BAM USB (Hub #1) (rev 12)
00:1f.3 SMBus: Intel Corporation 82801BA/BAM SMBus (rev 12)
00:1f.4 USB Controller: Intel Corporation 82801BA/BAM USB (Hub #2) (rev 12)
01:00.0 VGA compatible controller: nVidia Corporation NV11 [GeForce2 MX/MX 400]
02:07.0 Ethernet controller: 3Com Corporation 3c905B 100BaseTX [Cyclone] (rev 30
02:08.0 Ethernet controller: Intel Corporation 82801BA/BAM/CA/CAM Ethernet Contr
oller (rev 03)
02:0d.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet Pro 100] (rev
Does shutting down, then turning the power off for a while, then powering up
make the problem go away?
Is wake-on-LAN enabled? If so can it be disbled somehow?
Mental note: quirk_e100_interrupt has been there all along, maybe some other
change started triggering it?
(In reply to comment #2)
> yes, they are. With 2.6.20-1.2933.fc6 it works fine.
In addition to full power off, can you test if resetting the configuration CMOS
in the BIOS cures the problem (maybe only temporarily?)
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This problem has appeared again with Fedora 17, installed from the LiveCD. Kernel-3.3.4-5.fc17.i686
Actually not, this was a grub2-install problem: bug#820351