New: PPP (PPPoE) causes OOPS on interface initialization, 2.5.64

New: PPP (PPPoE) causes OOPS on interface initialization, 2.5.64

Post by Martin J. Blig » Sun, 09 Mar 2003 02:20:06



http://bugme.osdl.org/show_bug.cgi?id=450

           Summary: PPP (PPPoE) causes OOPS on interface initialization,
                    2.5.64
    Kernel Version: 2.5.64
            Status: NEW
          Severity: normal


Distribution:
Hardware Environment: VT82C693A, Pentium III (Coppermine)
Software Environment: firewall running ipchains
Problem Description: pppd generates an OOPS on machine startup when pppX is
initialized

Steps to reproduce: bring up pppX (ppp0-n) with pppoe plugin.

Unable to handle kernel NULL pointer dereference at virtual address 00000005
printing eip:
c030eee6
*pde = 00000000
Oops: 0000
CPU:    0
EIP:    0060:[<c030eee6>]    Not tainted
EFLAGS: 00010202
EIP is at packet_dev_mclist+0x16/0x38
eax: 00000005   ebx: 00000001   ecx: 00002710   edx: 00000000
esi: cbcfb400   edi: 00000001   ebp: cad51e54   esp: cad51e48
ds: 007b   es: 007b   ss: 0068
Process pppd (pid: 268, threadinfo=cad50000 task=cba45320)
Stack: cbd1e964 cbfcf59c cbcfb400 cad51e74 c030f7bd cbcfb400 00000001 00000001
      c03edc14 cbcfb400 00000001 cad51e94 c012aa27 c03edc14 00000001 cbcfb400
      cbcfb400 00000000 00001090 cad51eb8 c02ac6d6 c048bcc4 00000001 cbcfb400
Call Trace:
[<c030f7bd>] packet_notifier+0x28d/0x2a8
[<c012aa27>] notifier_call_chain+0x23/0x40
[<c02ac6d6>] dev_open+0xb6/0xc4
[<c02adc71>] dev_change_flags+0x59/0x110
[<c02e61e4>] devinet_ioctl+0x2c4/0x5cc
[<c02e9047>] inet_ioctl+0xb3/0xf4
[<c02a5ab1>] sock_ioctl+0x1cd/0x1dc
[<c016779f>] sys_ioctl+0x1ef/0x210
[<c0109777>] syscall_call+0x7/0xb

Code: 39 43 04 75 0b 57 53 56 e8 6d ff ff ff 83 c4 0c 8b 1b 85 db

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1. 2.5.64-mm4 looking good (Re: Oops in 2.5.64bk3)

I've been running 2.5.64-mm4 for a couple of
hours now, and having logged in/out of X, it
seems to be holding up so far, no oopses yet -

I have to say, doing the "dbench + lament +
dragging an xterm around the screen" test in
2.5.64-mm4 is absolutely a dream on this
little celeron box  - in fact it absolutely blows
away my more powerful P4-1800 running
2.4.20-ck4, which has the benefit of all the
2.4 low latency goodies.

Keep up the good work guys -

Best Regards,

Joe

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