Unable to handle kernel NULL pointer dereference at 0000000000000003 RIP
We have hit a NFS problem on our dual Opteron box running Suse 9.2 with 2.6.8-24.11-smp kernel. The system log reveals this kernel fault as attached below. Is there a fix to this? Mar 2 15:02:10 clear kernel: Unable to handle kernel NULL pointer dereference at 0000000000000003 RIP: Mar 2 15:02:10 clear kernel: <ffffffffa0189300>{:nfsd:nfs3svc_decode_readargs+432} Mar 2 15:02:10 clear kernel: PML4 37b03067 PGD 476ad067 PMD 0 Mar 2 15:02:10 clear kernel: Oops: 0000 [1] SMP Mar 2 15:02:10 clear kernel: CPU 0 Mar 2 15:02:10 clear kernel: Modules linked in: udf snd_pcm_oss snd_pcm snd_timer snd_page_alloc snd_mixer_oss snd soundcore usbserial parport_pc lp parport nfsd exportfs ipv6 bonding binfmt_misc subfs edd joydev sg st sr_mod ohci_hcd hw_random evdev e100 mii dm_mod usbcore tg3 reiserfs mptscsih mptbase 3w_9xxx sd_mod scsi_mod Mar 2 15:02:10 clear kernel: Pid: 6008, comm: nfsd Not tainted (2.6.8-24.11-smp SL92_BRANCH-200501141301260000) Mar 2 15:02:10 clear kernel: RIP: 0010:[<ffffffffa0189300>] <ffffffffa0189300>{:nfsd:nfs3svc_decode_readargs+432} Mar 2 15:02:10 clear kernel: RSP: 0018:0000010020f67e38 EFLAGS: 00010202 Mar 2 15:02:10 clear kernel: RAX: 0000000000000000 RBX: 00000100379f209c RCX: 000001003ffd7470 Mar 2 15:02:10 clear kernel: RDX: 0000000000002000 RSI: 0000000000001000 RDI: 0000000000000008 Mar 2 15:02:10 clear kernel: RBP: 000001003ffd7800 R08: 0000000000000007 R09: 0000010000000000 Mar 2 15:02:10 clear kernel: R10: 6db6db6db6db6db7 R11: 0000000000000000 R12: 000001003ffd7400 Mar 2 15:02:10 clear kernel: R13: 00000100379f206c R14: 0000000000000003 R15: 000001003ffd78a0 Mar 2 15:02:10 clear kernel: FS: 0000002a9588f4c0(0000) GS:ffffffff804e2f00(0000) knlGS:0000000000000000 Mar 2 15:02:10 clear kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Mar 2 15:02:10 clear kernel: CR2: 0000000000000003 CR3: 0000000000101000 CR4: 00000000000006e0 Mar 2 15:02:10 clear kernel: Process nfsd (pid: 6008, threadinfo 0000010020f66000, task 00000100207f6030) Mar 2 15:02:10 clear kernel: Stack: ffffffffa01941b0 000001003ffd7800 ffffffffa01941b0 000001002a5c1014 Mar 2 15:02:10 clear kernel: 000001002a5c1014 ffffffffa01780c2 000001003ffd78a0 ffffffffa01941b0 Mar 2 15:02:10 clear kernel: 000001003ffd7800 000001002a5c1014 Mar 2 15:02:10 clear kernel: Call Trace:<ffffffffa01780c2>{:nfsd:nfsd_dispatch+146} <ffffffff80350a77>{svc_process+1223} Mar 2 15:02:10 clear kernel: <ffffffff80133fb0>{default_wake_function+0} <ffffffffa0178480>{:nfsd:nfsd+0} Mar 2 15:02:10 clear kernel: <ffffffffa01786cb>{:nfsd:nfsd+587} <ffffffff8011129f>{child_rip+8} Mar 2 15:02:10 clear kernel: <ffffffffa0178480>{:nfsd:nfsd+0} <ffffffffa0178480>{:nfsd:nfsd+0} Mar 2 15:02:10 clear kernel: <ffffffff80111297>{child_rip+0} Mar 2 15:02:10 clear kernel: Mar 2 15:02:10 clear kernel: Code: 48 0f b6 50 03 48 8b 14 d5 00 47 4a 80 48 2b 82 08 07 00 00 Mar 2 15:02:10 clear kernel: RIP <ffffffffa0189300>{:nfsd:nfs3svc_decode_readargs+432} RSP <0000010020f67e38> Mar 2 15:02:10 clear kernel: CR2: 0000000000000003 Mar 2 15:02:12 clear kernel: <1>Unable to handle kernel NULL pointer dereference at 0000000000000003 RIP: Mar 2 15:02:12 clear kernel: <ffffffffa0189300>{:nfsd:nfs3svc_decode_readargs+432} Mar 2 15:02:12 clear kernel: PML4 6226d067 PGD 7694a067 PMD 0 Mar 2 15:02:12 clear kernel: Oops: 0000 [2] SMP Mar 2 15:02:12 clear kernel: CPU 0 Mar 2 15:02:12 clear kernel: Modules linked in: udf snd_pcm_oss snd_pcm snd_timer snd_page_alloc snd_mixer_oss snd soundcore usbserial parport_pc lp parport nfsd exportfs ipv6 bonding binfmt_misc subfs edd joydev sg st sr_mod ohci_hcd hw_random evdev e100 mii dm_mod usbcore tg3 reiserfs mptscsih mptbase 3w_9xxx sd_mod scsi_mod Mar 2 15:02:12 clear kernel: Pid: 6005, comm: nfsd Not tainted (2.6.8-24.11-smp SL92_BRANCH-200501141301260000) Mar 2 15:02:12 clear kernel: RIP: 0010:[<ffffffffa0189300>] <ffffffffa0189300>{:nfsd:nfs3svc_decode_readargs+432} Mar 2 15:02:12 clear kernel: RSP: 0000:000001002888fe38 EFLAGS: 00010202 Mar 2 15:02:12 clear kernel: RAX: 0000000000000000 RBX: 000001002017709c RCX: 00000100415e5470 Mar 2 15:02:12 clear kernel: RDX: 0000000000002000 RSI: 0000000000001000 RDI: 0000000000000008 Mar 2 15:02:12 clear kernel: RBP: 00000100415e5800 R08: 0000000000000007 R09: 0000010000000000 Mar 2 15:02:12 clear kernel: R10: 6db6db6db6db6db7 R11: 0000000000000000 R12: 00000100415e5400 Mar 2 15:02:12 clear kernel: R13: 000001002017706c R14: 0000000000000003 R15: 00000100415e58a0 Mar 2 15:02:12 clear kernel: FS: 0000002a9588f4c0(0000) GS:ffffffff804e2f00(0000) knlGS:0000000000000000 Mar 2 15:02:12 clear kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Mar 2 15:02:12 clear kernel: CR2: 0000000000000003 CR3: 0000000000101000 CR4: 00000000000006e0 Mar 2 15:02:12 clear kernel: Process nfsd (pid: 6005, threadinfo 000001002888e000, task 000001003e4587e0) Mar 2 15:02:12 clear kernel: Stack: ffffffffa01941b0 00000100415e5800 ffffffffa01941b0 000001004e738014 Mar 2 15:02:12 clear kernel: 000001004e738014 ffffffffa01780c2 00000100415e58a0 ffffffffa01941b0 Mar 2 15:02:12 clear kernel: 00000100415e5800 000001004e738014 Mar 2 15:02:12 clear kernel: Call Trace:<ffffffffa01780c2>{:nfsd:nfsd_dispatch+146} <ffffffff80350a77>{svc_process+1223} Mar 2 15:02:12 clear kernel: <ffffffff80133fb0>{default_wake_function+0} <ffffffffa0178480>{:nfsd:nfsd+0} Mar 2 15:02:12 clear kernel: <ffffffffa01786cb>{:nfsd:nfsd+587} <ffffffff8011129f>{child_rip+8} Mar 2 15:02:12 clear kernel: <ffffffffa0178480>{:nfsd:nfsd+0} <ffffffffa0178480>{:nfsd:nfsd+0} Mar 2 15:02:12 clear kernel: <ffffffff80111297>{child_rip+0} Mar 2 15:02:12 clear kernel: Mar 2 15:02:12 clear kernel: Code: 48 0f b6 50 03 48 8b 14 d5 00 47 4a 80 48 2b 82 08 07 00 00 Mar 2 15:02:12 clear kernel: RIP <ffffffffa0189300>{:nfsd:nfs3svc_decode_readargs+432} RSP <000001002888fe38> Mar 2 15:02:12 clear kernel: CR2: 0000000000000003 Mar 2 15:02:15 clear kernel: <1>Unable to handle kernel NULL pointer dereference at 0000000000000003 RIP: Mar 2 15:02:15 clear kernel: <ffffffffa0189300>{:nfsd:nfs3svc_decode_readargs+432} Mar 2 15:02:15 clear kernel: PML4 52d22067 PGD 657067 PMD 0 Mar 2 15:02:15 clear kernel: Oops: 0000 [3] SMP Mar 2 15:02:15 clear kernel: CPU 0 Mar 2 15:02:15 clear kernel: Modules linked in: udf snd_pcm_oss snd_pcm snd_timer snd_page_alloc snd_mixer_oss snd soundcore usbserial parport_pc lp parport nfsd exportfs ipv6 bonding binfmt_misc subfs edd joydev sg st sr_mod ohci_hcd hw_random evdev e100 mii dm_mod usbcore tg3 reiserfs mptscsih mptbase 3w_9xxx sd_mod scsi_mod Mar 2 15:02:15 clear kernel: Pid: 6006, comm: nfsd Not tainted (2.6.8-24.11-smp SL92_BRANCH-200501141301260000) Mar 2 15:02:15 clear kernel: RIP: 0010:[<ffffffffa0189300>] <ffffffffa0189300>{:nfsd:nfs3svc_decode_readargs+432} Mar 2 15:02:15 clear kernel: RSP: 0018:0000010020f25e38 EFLAGS: 00010202 Mar 2 15:02:15 clear kernel: RAX: 0000000000000000 RBX: 00000100206f009c RCX: 000001003ffbd470 Mar 2 15:02:15 clear kernel: RDX: 0000000000002000 RSI: 0000000000001000 RDI: 0000000000000008 Mar 2 15:02:15 clear kernel: RBP: 000001003ffbd800 R08: 0000000000000007 R09: 0000010000000000 Mar 2 15:02:15 clear kernel: R10: 6db6db6db6db6db7 R11: 0000000000000000 R12: 000001003ffbd400 Mar 2 15:02:15 clear kernel: R13: 00000100206f006c R14: 0000000000000003 R15: 000001003ffbd8a0 Mar 2 15:02:15 clear kernel: FS: 0000002a9588f4c0(0000) GS:ffffffff804e2f00(0000) knlGS:0000000000000000 Mar 2 15:02:15 clear kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Mar 2 15:02:15 clear kernel: CR2: 0000000000000003 CR3: 0000000000101000 CR4: 00000000000006e0 Mar 2 15:02:15 clear kernel: Process nfsd (pid: 6006, threadinfo 0000010020f24000, task 00000100207f67e0) Mar 2 15:02:15 clear kernel: Stack: ffffffffa01941b0 000001003ffbd800 ffffffffa01941b0 00000100695c2014 Mar 2 15:02:15 clear kernel: 00000100695c2014 ffffffffa01780c2 000001003ffbd8a0 ffffffffa01941b0 Mar 2 15:02:15 clear kernel: 000001003ffbd800 00000100695c2014 Mar 2 15:02:15 clear kernel: Call Trace:<ffffffffa01780c2>{:nfsd:nfsd_dispatch+146} <ffffffff80350a77>{svc_process+1223} Mar 2 15:02:15 clear kernel: <ffffffff80133fb0>{default_wake_function+0} <ffffffffa0178480>{:nfsd:nfsd+0} Mar 2 15:02:15 clear kernel: <ffffffffa01786cb>{:nfsd:nfsd+587} <ffffffff8011129f>{child_rip+8} Mar 2 15:02:15 clear kernel: <ffffffffa0178480>{:nfsd:nfsd+0} <ffffffffa0178480>{:nfsd:nfsd+0} Mar 2 15:02:15 clear kernel: <ffffffff80111297>{child_rip+0} Mar 2 15:02:15 clear kernel: Mar 2 15:02:15 clear kernel: Code: 48 0f b6 50 03 48 8b 14 d5 00 47 4a 80 48 2b 82 08 07 00 00 Mar 2 15:02:15 clear kernel: RIP <ffffffffa0189300>{:nfsd:nfs3svc_decode_readargs+432} RSP <0000010020f25e38> Mar 2 15:02:15 clear kernel: CR2: 0000000000000003 Mar 2 15:02:23 clear kernel: <1>Unable to handle kernel NULL pointer dereference at 0000000000000003 RIP: Mar 2 15:02:23 clear kernel: <ffffffffa0189300>{:nfsd:nfs3svc_decode_readargs+432} Mar 2 15:02:23 clear kernel: PML4 38203067 PGD 38204067 PMD 0 Mar 2 15:02:23 clear kernel: Oops: 0000 [4] SMP Mar 2 15:02:23 clear kernel: CPU 0 Mar 2 15:02:23 clear kernel: Modules linked in: udf snd_pcm_oss snd_pcm snd_timer snd_page_alloc snd_mixer_oss snd soundcore usbserial parport_pc lp parport nfsd exportfs ipv6 bonding binfmt_misc subfs edd joydev sg st sr_mod ohci_hcd hw_random evdev e100 mii dm_mod usbcore tg3 reiserfs mptscsih mptbase 3w_9xxx sd_mod scsi_mod Mar 2 15:02:23 clear kernel: Pid: 6007, comm: nfsd Not tainted (2.6.8-24.11-smp SL92_BRANCH-200501141301260000) Mar 2 15:02:23 clear kernel: RIP: 0010:[<ffffffffa0189300>] <ffffffffa0189300>{:nfsd:nfs3svc_decode_readargs+432} Mar 2 15:02:23 clear kernel: RSP: 0018:000001002b479e38 EFLAGS: 00010202 Mar 2 15:02:23 clear kernel: RAX: 0000000000000000 RBX: 0000010020ad009c RCX: 00000100415e3470 Mar 2 15:02:23 clear kernel: RDX: 0000000000002000 RSI: 0000000000001000 RDI: 0000000000000008 Mar 2 15:02:23 clear kernel: RBP: 00000100415e3800 R08: 0000000000000007 R09: 0000010000000000 Mar 2 15:02:23 clear kernel: R10: 6db6db6db6db6db7 R11: 0000000000000000 R12: 00000100415e3400 Mar 2 15:02:23 clear kernel: R13: 0000010020ad006c R14: 0000000000000003 R15: 00000100415e38a0 Mar 2 15:02:23 clear kernel: FS: 0000002a9588f4c0(0000) GS:ffffffff804e2f00(0000) knlGS:0000000000000000 Mar 2 15:02:23 clear kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Mar 2 15:02:23 clear kernel: CR2: 0000000000000003 CR3: 0000000000101000 CR4: 00000000000006e0 Mar 2 15:02:23 clear kernel: Process nfsd (pid: 6007, threadinfo 000001002b478000, task 00000100769ba7e0) Mar 2 15:02:23 clear kernel: Stack: ffffffffa01941b0 00000100415e3800 ffffffffa01941b0 000001002daa7014 Mar 2 15:02:23 clear kernel: 000001002daa7014 ffffffffa01780c2 00000100415e38a0 ffffffffa01941b0 Mar 2 15:02:23 clear kernel: 00000100415e3800 000001002daa7014 Mar 2 15:02:23 clear kernel: Call Trace:<ffffffffa01780c2>{:nfsd:nfsd_dispatch+146} <ffffffff80350a77>{svc_process+1223} Mar 2 15:02:23 clear kernel: <ffffffff80133fb0>{default_wake_function+0} <ffffffffa0178480>{:nfsd:nfsd+0} Mar 2 15:02:23 clear kernel: <ffffffffa01786cb>{:nfsd:nfsd+587} <ffffffff8011129f>{child_rip+8} Mar 2 15:02:23 clear kernel: <ffffffffa0178480>{:nfsd:nfsd+0} <ffffffffa0178480>{:nfsd:nfsd+0} Mar 2 15:02:23 clear kernel: <ffffffff80111297>{child_rip+0} Mar 2 15:02:23 clear kernel: Mar 2 15:02:23 clear kernel: Code: 48 0f b6 50 03 48 8b 14 d5 00 47 4a 80 48 2b 82 08 07 00 00 Mar 2 15:02:23 clear kernel: RIP <ffffffffa0189300>{:nfsd:nfs3svc_decode_readargs+432} RSP <000001002b479e38> Mar 2 15:02:23 clear kernel: CR2: 0000000000000003 Mar 2 15:02:34 clear rpc.mountd: authenticated unmount request from foehn.badc.rl.ac.uk:969 for /disks/clear1 (/disks/clear1)
participants (1)
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Chiu, PCM (Peter)