Messages in this thread |  | | | From | "Tomás Restrepo" <> | | Subject | NULL pointer dereference | | Date | Wed, 2 Apr 1997 18:05:02 -0500 |
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Hi
Today I got : Apr 2 17:40:47 darkfire kernel: Unable to handle kernel NULL pointer dereference at v irtual address 0000024d Apr 2 17:40:47 darkfire kernel: current->tss.cr3 = 00101000, Lr3 = 00101000 Apr 2 17:40:47 darkfire kernel: *pde = 00000000 Apr 2 17:40:47 darkfire kernel: Oops: 0000 Apr 2 17:40:47 darkfire kernel: CPU: 0 Apr 2 17:40:47 darkfire kernel: EIP: 0010:[<c01470b5>] Apr 2 17:40:47 darkfire kernel: EFLAGS: 00010206 Apr 2 17:40:47 darkfire kernel: eax: 00000050 ebx: c0a91464 ecx: 000000c0 dx: c029bbe8 Apr 2 17:40:47 darkfire kernel: esi: 000001ff edi: c0a91464 ebp: c0a91464 esp: c01e232c Apr 2 17:40:47 darkfire kernel: ds: 0018 es: 0018 ss: 0018 Apr 2 17:40:47 darkfire kernel: Process swapper (pid: 0, process nr: 0, stackpage=c01 e0470) Apr 2 17:40:47 darkfire kernel: Stack: c029bbe8 c0a91624 c103cb80 c103cccc c0a91624 0 0000282 c029bbe8 c0a91464 Apr 2 17:40:47 darkfire kernel: 000000c0 000001ff c1099998 c103cb80 c014d169 c 029bbe8 c103cb80 c103cccc Apr 2 17:40:47 darkfire kernel: 00000001 c01e23b0 c014dc43 00000000 c014e131 c 103cb80 00000000 c103cb80 Apr 2 17:40:47 darkfire kernel: Call Trace: [<c014d169>] [<c014dc43>] [<c014e131>] [< c014e0ac>] [<c0112405>] [<c0118dc1>] [<c010a493>] Apr 2 17:40:47 darkfire kernel: [<c01113ed>] [<c01093dd>] [<c0109423>] [<c010a 478>] [<c0109208>] [<c01091fd>] Apr 2 17:40:47 darkfire kernel: Code: 0f b7 6e 4e 39 e8 7d 47 83 be d4 00 00 00 00 74 3e 8d 45 0f Apr 2 17:40:47 darkfire kernel: kfree of non-kmalloced memory: c01e24b8, next= 000000 00, order=0 Apr 2 17:40:47 darkfire kernel: kfree of non-kmalloced memory: c01e24a8, next= 000000 00, order=0 Apr 2 17:40:47 darkfire kernel: kfree of non-kmalloced memory: c01e35bc, next= 000000 00, order=0 Apr 2 17:40:47 darkfire kernel: idle task may not sleep
the EIP value corresponds to : c0147038 T ip_queue_xmit
This could have been caused by DIP which was running at the time and secconds before I had gotten:
Apr 2 17:37:55 darkfire kernel: TCPv4 bad checksum from 040519c8:d6bc to 180519c8:177 0, len=84/84/104
I was running X along with 2 Xterm sessions and the usual stuff. I do not thing this could have caused the fault because the system has run so for some days and it had not happend before. The computer is a Pentium 133 with 24 MB RAM, one 1.6GB Maxtor and one 1.2GB Conner Disks and a Trident 9440 video card. It is running kernel version 2.1.30.
+----------------------------------------------------+ Tomás Restrepo Madrid Winder trestrep@medellin.cetcol.net.co etrm703@delta.eafit.edu.co http://delta.eafit.edu.co/~etrm703/ +----------------------------------------------------+
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