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SubjectBig 2.1.102 blowup.

The Oops:

Unable to handle kernel paging request at virtual address f0dc9708
current->tss.cr3 = 03ca7000, %cr3 = 03ca7000
*pde = 00000000
Oops: 0000
CPU: 1
EIP: 0010:[<c0173018>]
EFLAGS: 00010296
eax: 00000000 ebx: f0dc9700 ecx: 000002a8 edx: 0100007f
esi: 0000006f edi: 6777f535 ebp: c02bced0 esp: c3bd1d08
ds: 0018 es: 0018 ss: 0018
Process rpc.nfsd (pid: 80, process nr: 10, stackpage=c3bd1000)
Stack: f0dc9700 c01a939a 6777f535 00000007 c3a61820 c3bd0000 080551cc 00001812
006f0003 000002a8 c017381e f0dc9700 c01a939a c02bced0 00000000 000002a8
0000006f 00000000 c01bd0c8 00000002 c3bd1dfc 00000000 00000030 02a81da8
Call Trace: [<c01a939a>] [<c017381e>] [<c01a939a>] [<c0174a04>] [<c01a939a>] [<c014ec0f>] [<c015fd86>]
[<c016b523>] [<c016b168>] [<c016fb57>] [<c014c8c1>] [<c014dbbf>] [<c0105000>] [<c011e1db>] [<c011e7bd>]
[<c011e84a>] [<c014e90b>] [<c0109e78>]
Code: 23 53 08 39 13 0f 95 c1 31 d2 88 ca f6 43 18 01 74 0a 85 d2

The output:

Using `/System.map-2.1.102' to map addresses to symbols.

>>EIP: c0173018 <ip_rule_match+34/28c>
Trace: c01a939a <error_table+56a/29f3>
Trace: c017381e <ip_fw_check+22a/41c>
Trace: c01a939a <error_table+56a/29f3>
Trace: c0174a04 <ipfw_output_check+50/54>
Trace: c01a939a <error_table+56a/29f3>
Trace: c014ec0f <call_out_firewall+2f/4c>
Trace: c015fd86 <ip_build_xmit+20e/260>
Trace: c016b523 <udp_sendmsg+2bb/314>
Trace: c016b168 <udp_getfrag>
Trace: c016fb57 <inet_sendmsg+83/90>
Trace: c014c8c1 <sock_sendmsg+79/9c>
Trace: c014dbbf <sys_sendto+133/1b4>
Trace: c0105000 <empty_zero_page>
Trace: c011e1db <do_wp_page+12b/24c>
Trace: c011e7bd <handle_mm_fault+f1/19c>
Trace: c011e84a <handle_mm_fault+17e/19c>
Trace: c014e90b <sys_socketcall+177/234>
Trace: c0109e78 <system_call+38/40>
Code: c0173018 <ip_rule_match+34/28c>
Code: c0173018 <ip_rule_match+34/28c> 23 53 08 andl 0x8(%ebx),%edx
Code: c017301b <ip_rule_match+37/28c> 39 13 cmpl %edx,(%ebx)
Code: c017301d <ip_rule_match+39/28c> 0f 95 c1 setne %cl
Code: c0173020 <ip_rule_match+3c/28c> 31 d2 xorl %edx,%edx
Code: c0173028 <ip_rule_match+44/28c> 88 ca movb %cl,%dl
Code: c017302a <ip_rule_match+46/28c> f6 43 18 01 testb $0x1,0x18(%ebx)
Code: c017302e <ip_rule_match+4a/28c> 74 0a je c0173034 <ip_rule_match+50/28c>
Code: c0173030 <ip_rule_match+4c/28c> 85 d2 testl %edx,%edx

Currently loaded modules:

parport_pc 4692 0 (autoclean) (unused)
parport 5640 0 [parport_pc]
unix 9760 16 (autoclean)

The config (without modules since they weren't loaded):

CONFIG_EXPERIMENTAL=y
CONFIG_M586=y
CONFIG_MODULES=y
CONFIG_KMOD=y
CONFIG_NET=y
CONFIG_PCI=y
CONFIG_PCI_BIOS=y
CONFIG_PCI_DIRECT=y
CONFIG_PCI_QUIRKS=y
CONFIG_PCI_OPTIMIZE=y
CONFIG_PCI_OLD_PROC=y
CONFIG_SYSVIPC=y
CONFIG_SYSCTL=y
CONFIG_BINFMT_ELF=y
CONFIG_VIDEO_SELECT=y
CONFIG_BLK_DEV_IDE=y
CONFIG_BLK_DEV_IDEDISK=y
CONFIG_BLK_DEV_IDEPCI=y
CONFIG_BLK_DEV_IDEDMA=y
CONFIG_NETLINK=y
CONFIG_RTNETLINK=y
CONFIG_FIREWALL=y
CONFIG_NET_ALIAS=y
CONFIG_INET=y
CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_RTNETLINK=y
CONFIG_NETLINK=y
CONFIG_IP_MULTIPLE_TABLES=y
CONFIG_IP_ROUTE_MULTIPATH=y
CONFIG_IP_ROUTE_TOS=y
CONFIG_IP_ROUTE_VERBOSE=y
CONFIG_IP_ROUTE_NAT=y
CONFIG_IP_FIREWALL=y
CONFIG_IP_MASQUERADE=y
CONFIG_IP_MASQUERADE_ICMP=y
CONFIG_IP_ALIAS=y
CONFIG_SYN_COOKIES=y
CONFIG_IP_NOSR=y
CONFIG_SKB_LARGE=y
CONFIG_NETDEVICES=y
CONFIG_QUOTA=y
CONFIG_EXT2_FS=y
CONFIG_JOLIET=y
CONFIG_PROC_FS=y
CONFIG_SMB_WIN95=y
CONFIG_NCPFS_NFS_NS=y
CONFIG_NCPFS_OS2_NS=y
CONFIG_NCPFS_MOUNT_SUBDIR=y
CONFIG_BSD_DISKLABEL=y
CONFIG_NLS=y
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_SERIAL=y
CONFIG_SERIAL_EXTENDED=y
CONFIG_SERIAL_SHARE_IRQ=y
CONFIG_MOUSE=y
CONFIG_APM=y
CONFIG_APM_DO_ENABLE=y
CONFIG_APM_CPU_IDLE=y
CONFIG_WATCHDOG=y
CONFIG_RTC=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_VGA_CONSOLE=y

Using GCC 2.8.1, though I doubt that caused it since the exact same .config
doesn't have a problem with 2.1.99. (Used oldconfig, totally missed the
menuconfig bug.)

If I press ScrollLock long enough to write down the Oops immediately after
it occurs, no other oopses occur. If I let the system continue booting
_without the pause_, I get a five page scrolling oops that doesn't make it
into the system logs. I see a lot of 'Scheduling in interrupt' though.
The call trace is about 15 screen lines long at that point.

Dual Pentium 133, Tyan Tomcat IV, 64 MB RAM, SMP kernel, 1 Maxtor EIDE HD,
Internal modem, unused BTC 1815 soundcard (driver?), and a Cirrus Logic GD
5430 (though I still don't see anything that the kernel PCI workaround
does, I have 2 MB of video RAM with and without the "ROM BIOS disable").

-George Greer



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