Bug 46131 - pcnet32 driver causes kernel oops
pcnet32 driver causes kernel oops
Product: Red Hat Linux
Classification: Retired
Component: kernel (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Arjan van de Ven
Brock Organ
Depends On:
  Show dependency treegraph
Reported: 2001-06-26 22:03 EDT by Markus Hitz
Modified: 2007-04-18 12:34 EDT (History)
0 users

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2001-07-02 15:27:43 EDT
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
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Description Markus Hitz 2001-06-26 22:03:41 EDT
From Bugzilla Helper:
User-Agent: Mozilla/4.51 [en] (X11; I; Linux 2.2.5-15 i686)

Description of problem:
Fresh install of RedHat 7.1 on a system with two  AMD PCnet/Fast 79C971
based NICs.
On boot, the module is "loaded" (0 pages), but networking won't start.
After executing
"ifup eth0" and/or "ifup eth1" the respective NIC will show up twice in
(the "ifup" command returns errors, the driver won't start).

Finally - after a clean boot - I did

rmmod pcnet32
modprobe pcnet32 (no action)
insmod pcnet32  results in kernel oops

and after

cat /proc/interrupts

the kernel hangs

How reproducible:

Steps to Reproduce:
1. boot
2. rmmod pcnet32
3. modprobe pcnet32
4. insmod pcnet32

Actual Results:  kernel oops

Expected Results:  pcnet32 module gets loaded

Additional info:

A search on google turned up a few posts on the kernel list.
The problem also exists in the 2.4.3 kernels.
Comment 1 Arjan van de Ven 2001-06-27 04:15:48 EDT
The 2.4.3-12 kernel update we released should have this fixed. Could you
try this ? (yes I know it's hard to install without network)
Comment 2 Markus Hitz 2001-07-02 15:27:40 EDT
Problem resolved in 2.4.3-12 kernel.

Over the weekend, I swapped the pcnet NICs for cheapo RealTeks,
downloaded the latest RPMs from the GaTech mirror, and upgraded
the kernel. After successfully starting the new kernel, I re-installed
the pcnet cards. Kudzu did the rest.

Comment 3 Arjan van de Ven 2001-07-02 15:31:34 EDT
Thanks for confirming this. I'm marking this as "fixed in errata" now.

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