[Bugme-new] [Bug 4167] New: kernel BUG at net/core/dev.c:3109

[bugme-daemon at osdl.org]

http://bugme.osdl.org/show_bug.cgi?id=4167

           Summary: kernel BUG at net/core/dev.c:3109
    Kernel Version: 2.6.5-7.111.19-smp
            Status: NEW
          Severity: blocking
             Owner: acme at conectiva.com.br
         Submitter: jdouglas at kronos.com


Distribution: SuSE Pro 9.1

Hardware Environment: Dual PIII (Coppermines) with 2 Gigs of memory.

Software Environment: PoPToP 1.2.1 running with ppp-2.4.3-0.cvs_20040527

Problem Description: After an uspecified amount of time (random), pptpd locks 
up due to "net/core/dev.c:3109".

Steps to reproduce:  Setup up a PoPToP server with some 300+ connections 
constantly being dropped and reconnected.  The result will be:

------------[ cut here ]------------
kernel BUG at net/core/dev.c:3109!
invalid operand: 0000 [#1]
SMP
CPU:    1
EIP:    0060:[<c02af601>]    Tainted: P
EFLAGS: 00010297   (2.6.5-7.111.19-smp)
EIP is at free_netdev+0x31/0x40
eax: f73f6000   ebx: ee425a00   ecx: cdfe1e00   edx: 00000003
esi: f73f6000   edi: f91d199c   ebp: f70248d0   esp: ed4c9f54
ds: 007b   es: 007b   ss: 0068
Process pppd (pid: 16197, threadinfo=ed4c8000 task=ee8801a0)
Stack: f91ca3d1 ee425a00 f7d64500 f7725ad0 f91cab65 ec41a480 c016b3e6 ec41a480
       00000000 ec36e680 ed4c9fa0 c01669ff 00000000 ec36e680 00000009 00000000
       c0166b3d ec41a480 00000000 00000000 00000000 00000009 c012b2b6 00000009
Call Trace:
 [<f91ca3d1>] ppp_shutdown_interface+0x81/0xd0 [ppp_generic]
 [<f91cab65>] ppp_release+0x45/0x60 [ppp_generic]
 [<c016b3e6>] __fput+0x106/0x150
 [<c01669ff>] filp_close+0x4f/0x90
 [<c0166b3d>] sys_close+0xfd/0x110
 [<c012b2b6>] sys_time+0x16/0x50
 [<c01091e9>] sysenter_past_esp+0x52/0x79

Code: 0f 0b 25 0c 9e 3c 36 c0 eb d4 90 8d 74 26 00 55 57 56 53 83


or 


------------[ cut here ]------------
kernel BUG at net/core/dev.c:3109!
invalid operand: 0000 [#1]
SMP
CPU:    1
EIP:    0060:[<c02af601>]    Tainted: P
EFLAGS: 00010297   (2.6.5-7.111.5-smp)
EIP is at free_netdev+0x31/0x40
eax: edb44c00   ebx: ecbf9000   ecx: cdfe1e00   edx: 00000003
esi: edb44c00   edi: f91d199c   ebp: f700ec60   esp: eebcdf54
ds: 007b   es: 007b   ss: 0068
Process pppd (pid: 19764, threadinfo=eebcc000 task=ef4eadc0)
Stack: f91ca3d1 ecbf9000 f7fe1f40 c2201ad0 f91cab65 eddb3d80 c016b426 eddb3d80
       00000000 ec671700 eebcdfa0 c0166a3f 00000000 ec671700 00000009 00000000
       c0166b7d eddb3d80 00000000 00000000 00000000 00000009 00000007 00000009
Call Trace:
 [<f91ca3d1>] ppp_shutdown_interface+0x81/0xd0 [ppp_generic]
 [<f91cab65>] ppp_release+0x45/0x60 [ppp_generic]
 [<c016b426>] __fput+0x106/0x150
 [<c0166a3f>] filp_close+0x4f/0x90
 [<c0166b7d>] sys_close+0xfd/0x110
 [<c01091e9>] sysenter_past_esp+0x52/0x79

Code: 0f 0b 25 0c 1a 3c 36 c0 eb d4 90 8d 74 26 00 55 57 56 53 83

------- You are receiving this mail because: -------
You are on the CC list for the bug, or are watching someone who is.