linux-kernel - e1000_intr in request_irq faults in 2.6.20-git

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Message-Id: <200702151728.07726.lenb@kernel.org>
Date:	Thu, 15 Feb 2007 17:28:06 -0500
From:	Len Brown <lenb@...nel.org>
To:	john.ronciak@...el.com, jesse.brandeburg@...el.com,
	jeffrey.t.kirsher@...el.com, auke-jan.h.kok@...el.com,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	"lkml - Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: e1000_intr in request_irq faults in 2.6.20-git

e1000 faults in 2.6.20-git, while 2.6.20 worked fine.

System is a D875PBZ with LOM.

clues?

thanks,
-Len


Bringing up loopback interface:  [  OK  ]
Bringing up interface eth0:  BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000
 printing eip:
*pde = 3747c001
Oops: 0000 [#1]
SMP
Modules linked in: dm_mod video thermal sbs i2c_ec fan button dock battery asus_acpi ac lp intel_agp agpgart ehci_hcd parport_serial parpt
CPU:    0
EIP:    0060:[<00000000>]    Not tainted VLI
EFLAGS: 00010246   (2.6.20-g724339d7 #32)
EIP is at _stext+0x3fefed10/0x14
eax: c21cd3a0   ebx: f8840000   ecx: 00000000   edx: c22d2e44
esi: c21cd3a0   edi: 00000000   ebp: c21cd564   esp: f755de6c
ds: 007b   es: 007b   fs: 00d8  gs: 0033  ss: 0068
Process ip (pid: 2975, ti=f755d000 task=f75590b0 task.ti=f755d000)
Stack: c02a2077 fffffff4 f7987404 00000000 c02a1fc3 c0140cb5 00000010 012321b4
       c21cd3a0 c21cd000 c21cd000 00000000 c02a1a71 c21cd000 c21cd000 c21cd3a0
       00000000 c21cd3a0 00000000 c02a4916 c21cd000 00001003 00001002 c03b3751
Call Trace:
 [<c02a2077>] e1000_intr+0xb4/0x107
 [<c02a1fc3>] e1000_intr+0x0/0x107
 [<c0140cb5>] request_irq+0xa5/0xcc
 [<c02a1a71>] e1000_request_irq+0xad/0xe6
 [<c02a4916>] e1000_open+0x43/0xbd
 [<c03b3751>] dev_open+0x2b/0x62
 [<c03b224d>] dev_change_flags+0x47/0xe4
 [<c03eb20e>] devinet_ioctl+0x250/0x56d
 [<c03b3348>] dev_ifsioc+0x113/0x38d
 [<c021f4ee>] copy_to_user+0x2d/0x43
 [<c03a9a28>] sock_ioctl+0x19f/0x1be
 [<c03a9889>] sock_ioctl+0x0/0x1be
 [<c0168767>] do_ioctl+0x1f/0x62
 [<c01689ee>] vfs_ioctl+0x244/0x256
 [<c0168a33>] sys_ioctl+0x33/0x4c
 [<c0103d88>] sysenter_past_esp+0x5d/0x81
 =======================
Code:  Bad EIP value.
EIP: [<00000000>] _stext+0x3fefed10/0x14 SS:ESP 0068:f755de6c
/etc/sysconfig/network-scripts/ifup-eth: line 272:  2975 Segmentation fault      ip link set dev ${REALDEVICE} up
Failed to bring up eth0.
[FAILED]

View attachment "console.log" of type "text/x-log" (47324 bytes)