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SubjectLinux crashes on FTP-connections
Date
Hi,

I have big trouble with a Linux-box which connects a little Lan with the
Internet. The machine does masquerading, because off a dial up link and a
dynamic IP-Address. Everything works fine, but I a Client on the Lan (e.g.
Win 95) makes a FTP-Connection to the Internet, the Linux Kernel crashes
(sometimes earlier, sometimes later, somtimes not). The Linux-box has two
ne2000 compatible (DLink) network card and one AVM B1 ISDN card build in. I
have change the network cards and the ISDN card so far. I don't know where
the problem is. I tested the FTP-connection with many (Win 95-)Clients so I
think it's not a client-sided Problem. Does anybody know what I could do?

Here is a fragment from the messages-file:

May 25 13:25:02 iserv kernel: b1capi: appl 1 ncci 0x10101 up
May 25 13:25:02 iserv kernel: isdn_net: ippp0 connected
May 25 13:25:02 iserv kernel: isdn_net: chargetime of ippp0 now 9557
May 25 13:25:02 iserv kernel: capidrv-1: chan 0 up with ncci 0x10101
May 25 13:25:02 iserv ipppd[118]: Local number: 061, Remote number:
0191011, Type: outgoing
May 25 13:25:03 iserv ipppd[118]: PHASE_WAIT -> PHASE_ESTABLISHED, ifunit:
0, linkunit: 0, fd: 7
May 25 13:25:03 iserv ipppd[118]: lcp layer is UP
May 25 13:25:03 iserv ipppd[118]: Remote message:
May 25 13:25:03 iserv ipppd[118]: MPPP negotiation, He: No We: No
May 25 13:25:03 iserv ipppd[118]: CCP enabled! Trying CCP.
May 25 13:25:03 iserv ipppd[118]: CCP: got ccp-unit 0 for link 0 (protocol:
0x80fd)
May 25 13:25:03 iserv ipppd[118]: ccp_resetci!
May 25 13:25:03 iserv ipppd[118]: local IP address 193.159.117.234
May 25 13:25:03 iserv ipppd[118]: remote IP address 193.158.132.233
May 25 13:25:04 iserv squid[256]: Ready to serve requests.
May 25 13:27:00 iserv kernel: general protection: b878
May 25 13:27:00 iserv kernel: CPU: 0

May 25 13:27:00 iserv kernel: EIP: 0010:[8390:ei_open+-22956035/80]
May 25 13:27:00 iserv kernel: EFLAGS: 00010286
May 25 13:27:00 iserv kernel: eax: 0326b808 ebx: 00000001 ecx: 038cee58
edx: 00000000
May 25 13:27:00 iserv kernel: esi: 0326b878 edi: 00000000 ebp: 00199818
esp: 001997b4
May 25 13:27:00 iserv kernel: ds: 0018 es: 0018 fs: 002b gs: 0018
ss: 0018
May 25 13:27:00 iserv kernel: Process swapper (pid: 0, process nr: 0,
stackpage=00197950)
May 25 13:27:00 iserv kernel: Stack: 00138bfc 0326b878 00000001 0326b878
03734940 00140e6c 0326b878 00000000
May 25 13:27:00 iserv kernel: 0326b878 0326b828 00000041 0326b83c
034e8c04 00000041 0326bc20 0019db40
May 25 13:27:00 iserv kernel: 670210ac 0326b878 00000000 0326b8c8
e9849ec1 038cee58 0326b888 0326b838
May 25 13:27:00 iserv kernel: Call Trace: [kfree_skb+136/244]
[ip_forward+1892/1916] [ip_rcv+1269/1388] [ne:ne_probe+5224/2964]
[8390:ei_interrupt+331/2304] [ne:ne_probe+5224/2964]
[ne:ne_probe+5224/2964]
May 25 13:27:00 iserv kernel: [net_bh+252/284]
[ne:ne_probe+5224/2964] [do_bottom_half+59/96] [handle_bottom_half+11/24]
[hard_idle+31/56] [sys_idle+59/112] [system_call+85/124] [init+0/612]
May 25 13:27:00 iserv kernel: [start_kernel+429/440]
May 25 13:27:00 iserv kernel: Code: cf a4 e6 b8 80 c8 ed 74 ad 08 00 16 00
00 80 c8 ed 16 00 01
May 25 13:27:00 iserv kernel: Aiee, killing interrupt handler
May 25 13:27:00 iserv kernel: kfree of non-kmalloced memory: 00199998,
next= 00000000, order=0
May 25 13:27:00 iserv kernel: kfree of non-kmalloced memory: 00199988,
next= 00000000, order=0
May 25 13:27:00 iserv kernel: kfree of non-kmalloced memory: 00199e9c,
next= 00000000, order=0
May 25 13:27:00 iserv kernel: idle task may not sleep
May 25 13:27:00 iserv last message repeated 4 times
May 25 13:27:00 iserv kerneld: error: exit: Identifier removed
May 25 13:27:56 iserv kernel: general protection: be6c
May 25 13:27:56 iserv kernel: CPU: 0
May 25 13:27:56 iserv kernel: EIP: 0010:[8390:ei_open+-22954460/80]
May 25 13:27:56 iserv kernel: EFLAGS: 00010202
May 25 13:27:56 iserv kernel: eax: 00000001 ebx: 03739240 ecx: 0326be6c
edx: 00140e7a
May 25 13:27:56 iserv kernel: esi: 0326be6c edi: 00138bfc ebp: 00000001
esp: 001995e4
May 25 13:27:56 iserv kernel: ds: 0018 es: 0018 fs: 002b gs: 0000
ss: 0018
May 25 13:27:56 iserv kernel: Process swapper (pid: 0, process nr: 0,
stackpage=00197950)
May 25 13:27:56 iserv kernel: Stack: 0326be6c 0326be1c 00000041 0326be30
034e8c04 00000041 0326ba24 0019db40
May 25 13:27:56 iserv kernel: 670210ac 0326be6c 00000000 0326bebc
e9849ec1 038cee58 0326be7c 0326be2c
May 25 13:27:56 iserv kernel: 03734940 00199674 0013fbf5 0326ba74
0485446c 00000000 3fdc34c3 00000000
May 25 13:27:56 iserv kernel: Call Trace: [ip_rcv+1269/1388]
[ne:ne_probe+5224/2964] [8390:ei_interrupt+331/2304]
[ne:ne_probe+5224/2964] [ne:ne_probe+5224/2964] [net_bh+252/284]
[ne:ne_probe+5224/2964]
May 25 13:27:56 iserv kernel: [do_bottom_half+59/96]
[handle_bottom_half+11/24] [schedule+366/652] [exit_notify+219/472]
[do_exit+503/508] [die_if_kernel+695/704] [<05000000>]
[8390:ei_open+-327696/80]
May 25 13:27:56 iserv kernel: [do_general_protection+124/172]
[do_general_protection+0/172] [error_code+64/72] [kfree_skb+136/244]
[ip_forward+1892/1916] [ip_rcv+1269/1388] [ne:ne_probe+5224/2964]
[8390:ei_interrupt+331/2304]
May 25 13:27:56 iserv kernel: [ne:ne_probe+5224/2964]
[ne:ne_probe+5224/2964] [net_bh+252/284] [ne:ne_probe+5224/2964]
[do_bottom_half+59/96] [handle_bottom_half+11/24] [hard_idle+31/56]
[sys_idle+59/112]
May 25 13:27:56 iserv kernel: [system_call+85/124] [init+0/612]
[start_kernel+429/440]
May 25 13:27:56 iserv kernel: Code: 1f 06 7f ad c1 9f 75 ea c3 34 dc 3f ee
5a 00 15 00 97 fe e4
May 25 13:27:56 iserv kernel: Aiee, killing interrupt handler
May 25 13:28:09 iserv kernel: general protection: b878
May 25 13:28:09 iserv kernel: CPU: 0
May 25 13:28:09 iserv kernel: EIP: 0010:[8390:ei_open+-22955984/80]
May 25 13:28:09 iserv kernel: EFLAGS: 00010286
May 25 13:28:09 iserv kernel: eax: 00000101 ebx: 03739289 ecx: 0326b878
edx: 00140e6c
May 25 13:28:09 iserv kernel: esi: 0326b878 edi: 00138bfc ebp: 00000001
esp: 0019943c
May 25 13:28:09 iserv kernel: ds: 0018 es: 0018 fs: 002b gs: 0000
ss: 0018
May 25 13:28:09 iserv kernel: Process swapper (pid: 0, process nr: 0,
stackpage=00197950)
May 25 13:28:09 iserv kernel: Stack: 0326b878 0326b828 00000041 0326b83c
034e8c04 00000041 0326be1c 0019db40
May 25 13:28:09 iserv kernel: 670210ac 0326b878 00000000 0326b8c8
e9849ec1 038cee58 0326b888 0326b838
May 25 13:28:09 iserv kernel: 03734940 001994cc 0013fbf5 0326be6c
0485446c 00000000 3fdc34c3 00000000
May 25 13:28:09 iserv kernel: Call Trace: [ip_rcv+1269/1388]
[ne:ne_probe+5224/2964] [8390:ei_interrupt+331/2304]
[ne:ne_probe+5224/2964] [ne:ne_probe+5224/2964] [net_bh+252/284]
[ne:ne_probe+5224/2964]
May 25 13:28:09 iserv kernel: [do_bottom_half+59/96]
[handle_bottom_half+11/24] [exit_notify+62/472] [do_exit+456/508]
[die_if_kernel+695/704] [kfree_skb+136/244] [<05000000>]
[8390:ei_open+-327696/80]
May 25 13:28:09 iserv kernel: [do_general_protection+124/172]
[do_general_protection+0/172] [error_code+64/72] [ip_forward+1906/1916]
[kfree_skb+136/244] [ip_rcv+1269/1388] [ne:ne_probe+5224/2964]
[8390:ei_interrupt+331/2304]
May 25 13:28:09 iserv kernel: [ne:ne_probe+5224/2964]
[ne:ne_probe+5224/2964] [net_bh+252/284] [ne:ne_probe+5224/2964]
[do_bottom_half+59/96] [handle_bottom_half+11/24] [schedule+366/652]
[exit_notify+219/472]
May 25 13:28:09 iserv kernel: [do_exit+503/508]
[die_if_kernel+695/704] [<05000000>] [8390:ei_open+-327696/80]
[do_general_protection+124/172] [do_general_protection+0/172]
[error_code+64/72] [kfree_skb+136/244]
May 25 13:28:09 iserv kernel: [ip_forward+1892/1916]
[ip_rcv+1269/1388] [ne:ne_probe+5224/2964] [8390:ei_interrupt+331/2304]
[ne:ne_probe+5224/2964] [ne:ne_probe+5224/2964] [net_bh+252/284]
[ne:ne_probe+5224/2964]
May 25 13:28:09 iserv kernel: [do_bottom_half+59/96]
[handle_bottom_half+11/24] [hard_idle+31/56] [sys_idle+59/112]
[system_call+85/124] [init+0/612] [start_kernel+429/440]
May 25 13:28:09 iserv kernel: Code: 1f 06 76 ad c1 9f 75 ea c3 34 dc 3f ee
5a 00 15 00 97 ff 0f
May 25 13:28:09 iserv kernel: Aiee, killing interrupt handler
May 25 13:28:15 iserv kernel: Unable to handle kernel paging request at
virtual address f4d77671
May 25 13:28:15 iserv kernel: current->tss.cr3 = 00101000, %cr3 = 00101000
May 25 13:28:15 iserv kernel: *pde = 00000000
May 25 13:28:15 iserv kernel: Oops: 0000
May 25 13:28:15 iserv kernel: CPU: 0
May 25 13:28:15 iserv kernel: EIP: 0010:[8390:ei_open+-22955980/80]
May 25 13:28:15 iserv kernel: EFLAGS: 00010286
May 25 13:28:15 iserv kernel: eax: 0d3439e4 ebx: 03734940 ecx: 0326b878
edx: 00140e6c
May 25 13:28:15 iserv kernel: esi: 0326b87c edi: 00138bfc ebp: 00000003
esp: 0019928c
May 25 13:28:15 iserv kernel: ds: 0018 es: 0018 fs: 002b gs: 0000
ss: 0018
May 25 13:28:15 iserv kernel: Process swapper (pid: 0, process nr: 0,
stackpage=00197950)
May 25 13:28:15 iserv kernel: Stack: 00000009 00000018 0326b878 0326b828
00000041 0326b83c 034e8c04 00000041
May 25 13:28:15 iserv kernel: 006a9038 0019db40 670210ac 0326b878
00000000 0326b8c8 e9849ec1 038cee58
May 25 13:28:15 iserv kernel: 0326b888 0326b838 03734940 00199324
0013fbf5 006a9088 0485446c 00000000
May 25 13:28:15 iserv kernel: Call Trace: [ip_rcv+1269/1388]
[ne:ne_probe+5224/2964] [8390:ei_interrupt+331/2304]
[ne:ne_probe+5224/2964] [ne:ne_probe+5224/2964] [net_bh+252/284]
[ne:ne_probe+5224/2964]
May 25 13:28:15 iserv kernel: [do_bottom_half+59/96]
[handle_bottom_half+11/24] [exit_notify+76/472] [do_exit+456/508]
[die_if_kernel+695/704] [kfree_skb+136/244] [<05000000>]
[8390:ei_open+-327696/80]
May 25 13:28:15 iserv kernel: [do_general_protection+124/172]
[do_general_protection+0/172] [error_code+64/72] [ip_forward+1892/1916]
[kfree_skb+136/244] [ip_rcv+1269/1388] [ne:ne_probe+5224/2964]
[8390:ei_interrupt+331/2304]
May 25 13:28:15 iserv kernel: [ne:ne_probe+5224/2964]
[ne:ne_probe+5224/2964] [net_bh+252/284] [ne:ne_probe+5224/2964]
[do_bottom_half+59/96] [handle_bottom_half+11/24] [exit_notify+62/472]
[do_exit+456/508]
May 25 13:28:15 iserv kernel: [die_if_kernel+695/704]
[kfree_skb+136/244] [<05000000>] [8390:ei_open+-327696/80]
[do_general_protection+124/172] [do_general_protection+0/172]
[error_code+64/72] [ip_forward+1906/1916]
May 25 13:28:15 iserv kernel: [kfree_skb+136/244] [ip_rcv+1269/1388]
[ne:ne_probe+5224/2964] [8390:ei_interrupt+331/2304]
[ne:ne_probe+5224/2964] [ne:ne_probe+5224/2964] [net_bh+252/284]
[ne:ne_probe+5224/2964]
May 25 13:28:15 iserv kernel: [do_bottom_half+59/96]
[handle_bottom_half+11/24] [schedule+366/652] [exit_notify+219/472]
[do_exit+503/508] [die_if_kernel+695/704] [<05000000>]
[8390:ei_open+-327696/80]
May 25 13:28:15 iserv kernel: [do_general_protection+124/172]
[do_general_protection+0/172] [error_code+64/72] [kfree_skb+136/244]
[ip_forward+1892/1916] [ip_rcv+1269/1388] [ne:ne_probe+5224/2964]
[8390:ei_interrupt+331/2304]
May 25 13:28:15 iserv kernel: [ne:ne_probe+5224/2964]
[ne:ne_probe+5224/2964] [net_bh+252/284] [ne:ne_probe+5224/2964]
[do_bottom_half+59/96] [handle_bottom_half+11/24] [hard_idle+31/56]
[sys_idle+59/112]
May 25 13:28:15 iserv kernel: [system_call+85/124] [init+0/612]
[start_kernel+429/440]
May 25 13:28:15 iserv kernel: Code: c1 9f 75 ea c3 34 dc 3f ee 5a 00 15 00
97 ff 68 4d 30 cc be
May 25 13:28:15 iserv kernel: Aiee, killing interrupt handler
May 25 13:28:42 iserv kernel: general protection: 9e6c
May 25 13:28:42 iserv kernel: CPU: 0
May 25 13:28:42 iserv kernel: EIP: 0010:[8390:ei_open+-68837852/80]
May 25 13:28:42 iserv kernel: EFLAGS: 00010286
May 25 13:28:42 iserv kernel: eax: 00000101 ebx: 03739240 ecx: 006a9e6c
edx: 00140e6c
May 25 13:28:42 iserv kernel: esi: 006a9e6c edi: 00138bfc ebp: 00000001
esp: 001990cc
May 25 13:28:42 iserv kernel: ds: 0018 es: 0018 fs: 002b gs: 0000
ss: 0018
May 25 13:28:42 iserv kernel: Process swapper (pid: 0, process nr: 0,
stackpage=00197950)
May 25 13:28:42 iserv kernel: Stack: 006a9e6c 006a9e1c 00000041 006a9e30
034e8c04 00000041 006a9c20 0019db40
May 25 13:28:42 iserv kernel: 670210ac 006a9e6c 00000000 006a9ebc
e9849ec1 038cee58 006a9e7c 006a9e2c
May 25 13:28:42 iserv kernel: 03734940 0019915c 0013fbf5 006a9c70
0485446c 00000000 3fdc34c3 00000000
May 25 13:28:42 iserv kernel: Call Trace: [ip_rcv+1269/1388]
[ne:ne_probe+5224/2964] [8390:ei_interrupt+331/2304]
[ne:ne_probe+5224/2964] [ne:ne_probe+5224/2964] [net_bh+252/284]
[ne:ne_probe+5224/2964]
May 25 13:28:42 iserv kernel: [do_bottom_half+59/96]
[handle_bottom_half+11/24] [exit_notify+62/472] [do_exit+456/508]
[die_if_kernel+695/704] [<05000000>] [8390:ei_open+-327696/80]
[SHATransform+4624/6796]
May 25 13:28:42 iserv kernel: [do_page_fault+718/736]
[do_page_fault+0/736] [kfree_skb+136/244] [error_code+64/72]
[ip_forward+1892/1916] [kfree_skb+136/244] [ip_rcv+1269/1388]
[ne:ne_probe+5224/2964]
May 25 13:28:42 iserv kernel: [8390:ei_interrupt+331/2304]
[ne:ne_probe+5224/2964] [ne:ne_probe+5224/2964] [net_bh+252/284]
[ne:ne_probe+5224/2964] [do_bottom_half+59/96] [handle_bottom_half+11/24]
[exit_notify+76/472]
May 25 13:28:42 iserv kernel: [do_exit+456/508]
[die_if_kernel+695/704] [kfree_skb+136/244] [<05000000>]
[8390:ei_open+-327696/80] [do_general_protection+124/172]
[do_general_protection+0/172] [error_code+64/72]
May 25 13:28:42 iserv kernel: [ip_forward+1892/1916]
[kfree_skb+136/244] [ip_rcv+1269/1388] [ne:ne_probe+5224/2964]
[8390:ei_interrupt+331/2304] [ne:ne_probe+5224/2964]
[ne:ne_probe+5224/2964] [net_bh+252/284]
May 25 13:28:42 iserv kernel: [ne:ne_probe+5224/2964] [do_bottom_
half+59/96] [handle_bottom_half+11/24] [exit_notify+62/472]
[do_exit+456/508] [die_if_kernel+695/704] [kfree_skb+136/244] [<05000000>]
May 25 13:28:42 iserv kernel: [8390:ei_open+-327696/80]
[do_general_protection+124/172] [do_general_protection+0/172]
[error_code+64/72] [ip_forward+1906/1916] [kfree_skb+136/244]
[ip_rcv+1269/1388] [ne:ne_probe+5224/2964]
May 25 13:28:42 iserv kernel: [8390:ei_interrupt+331/2304]
[ne:ne_probe+5224/2964] [ne:ne_probe+5224/2964] [net_bh+252/284]
[ne:ne_probe+5224/2964] [do_bottom_half+59/96] [handle_bottom_half+11/24]
[schedule+366/652]
May 25 13:28:42 iserv kernel: [exit_notify+219/472]
[do_exit+503/508] [die_if_kernel+695/704] [<05000000>]
[8390:ei_open+-327696/80] [do_general_protection+124/172]
[do_general_protection+0/172] [error_code+64/72]
May 25 13:28:42 iserv kernel: [kfree_skb+136/244]
[ip_forward+1892/1916] [ip_rcv+1269/1388] [ne:ne_probe+5224/2964]
[8390:ei_interrupt+331/2304] [ne:ne_probe+5224/2964]
[ne:ne_probe+5224/2964] [net_bh+252/284]
May 25 13:28:42 iserv kernel: [ne:ne_probe+5224/2964]
[do_bottom_half+59/96] [handle_bottom_half+11/24] [hard_idle+31/56]
[sys_idle+59/112] [system_call+85/124] [init+0/612] [start_kernel+429/440]
May 25 13:28:42 iserv kernel: Code: 1f 06 46 ad c1 9f 75 ea c3 34 dc 3f ee
5a 00 15 00 97 ff 9e
May 25 13:28:42 iserv kernel: Aiee, killing interrupt handler
May 25 13:28:42 iserv kernel: general protection: 0088
May 25 13:28:42 iserv kernel: CPU: 0
May 25 13:28:42 iserv kernel: EIP: 0010:[8390:ei_open+-9961408/80]
May 25 13:28:42 iserv kernel: EFLAGS: 00010286
May 25 13:28:42 iserv kernel: eax: 00000101 ebx: 03739240 ecx: 03ed0088
edx: 00140e6c
May 25 13:28:42 iserv kernel: esi: 03ed0088 edi: 00138bfc ebp: 00000001
esp: 00198f24
May 25 13:28:42 iserv kernel: ds: 0018 es: 0018 fs: 002b gs: 0000
ss: 0018
May 25 13:28:42 iserv kernel: Process swapper (pid: 0, process nr: 0,
stackpage=00197950)
May 25 13:28:42 iserv kernel: Stack: 03ed0088 03ed0038 00000041 03ed004c
034e8c04 00000041 0326b828 0019db40
May 25 13:28:42 iserv kernel: 670210ac 03ed0088 00000000 03ed00d8
e9849ec1 038cee58 03ed0098 03ed0048
May 25 13:28:42 iserv kernel: 03734940 00198fb4 0013fbf5 0326b878
0485446c 00000000 3fdc34c3 00000000
May 25 13:28:42 iserv kernel: Call Trace: [ip_rcv+1269/1388]
[ne:ne_probe+5224/2964] [8390:ei_interrupt+331/2304]
[ne:ne_probe+5224/2964] [ne:ne_probe+5224/2964] [net_bh+252/284]
[ne:ne_probe+5224/2964]
May 25 13:28:42 iserv kernel: [do_bottom_half+59/96]
[handle_bottom_half+11/24]
May 25 13:28:42 iserv kernel: Code: 1f 06 3e ad c1 9f 75 ea c3 34 dc 3f ee
5a 00 15 00 97 ff c9
May 25 13:36:23 iserv syslogd 1.3-3: restart.

thanks a lot!

Jens



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