Kernel BUG at mm/mmap.c 464!

[John]

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Maintainers:
I received this entry in my syslog while the computer was idle.
See attached txt file 'mm_mmap_BUG.txt'

If this is not a real bug please accept my apologies for the
interruption. If the bug is real I would like to be personally CC'ed
the answers/comments posted to the list in response to this post.
I would be pleased to provide any additional information which may be
helpfull.	

The system was an athlon 64 X2 w 8GB memory
See attached 'lspci.txt'

I was running Slackware-current dated Mon May  7 18:54:03 UTC 2012
Kernel 3.3.4 was compiled using Slackware's config-generic-3.2.13.x64
all defaults were accepted during make oldconfig
.config changed only as follows:
processor was set K8
ext2/3/4 were changed from modules to builtins

anxiously awaiting any response
john

- -- 
John David Yost
AlleyTrotter
pub   4096R/E23E3A2A 2012-04-29 [expires: 2013-04-29]
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May  7 22:57:44 retired kernel: [ 5753.667900] ------------[ cut here ]------------
May  7 22:57:44 retired kernel: [ 5753.667923] kernel BUG at mm/mmap.c:464!
May  7 22:57:44 retired kernel: [ 5753.667930] invalid opcode: 0000 [#1] SMP 
May  7 22:57:44 retired kernel: [ 5753.667940] CPU 0 
May  7 22:57:44 retired kernel: [ 5753.667944] Modules linked in: cpufreq_conservative powernow_k8 freq_table mperf snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss ipv6 xt_limit xt_pkttype xt_tcpudp ipt_LOG xt_state iptable_mangle iptable_nat iptable_filter nf_conntrack_irc nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables nls_iso8859_1 nls_cp437 vfat fat lp fuse usblp usbhid hid usb_storage uas ohci_hcd ssb ppdev snd_hda_codec_idt processor nouveau ttm nv_tco snd_hda_intel snd_hda_codec mmc_core pcmcia parport_pc drm_kms_helper drm agpgart mxm_wmi video thermal_sys ehci_hcd i2c_nforce2 k8temp parport pcmcia_core i2c_core hwmon tg3 libphy wmi snd_hwdep evdev sg dcdbas snd_pcm snd_timer snd soundcore snd_page_alloc button serio_raw loop
May  7 22:57:44 retired kernel: [ 5753.668009] 
May  7 22:57:44 retired kernel: [ 5753.668009] Pid: 7979, comm: nepomukindexer Not tainted 3.3.4 #1 Dell Inc. OptiPlex 740/0TT708
May  7 22:57:44 retired kernel: [ 5753.668009] RIP: 0010:[<ffffffff81110d3a>]  [<ffffffff81110d3a>] vma_adjust+0x52a/0x530
May  7 22:57:44 retired kernel: [ 5753.668009] RSP: 0018:ffff8801e4addd28  EFLAGS: 00010287
May  7 22:57:44 retired kernel: [ 5753.668009] RAX: 00007fedd6e67000 RBX: ffff8801e48af0a8 RCX: ffff8801f6e9c2d8
May  7 22:57:44 retired kernel: [ 5753.668009] RDX: ffff8801f6e9c2a0 RSI: ffff8801e4b45930 RDI: 0000000000000001
May  7 22:57:44 retired kernel: [ 5753.668009] RBP: ffff8801e4adddb8 R08: ffff8801e4b45978 R09: ffff8801e4b45968
May  7 22:57:44 retired kernel: [ 5753.668009] R10: 00007fedd6e68000 R11: 0000000000000206 R12: ffff8801e48af348
May  7 22:57:44 retired kernel: [ 5753.668009] R13: ffff8801e4b45498 R14: ffff88022eacb8f0 R15: 0000000000000000
May  7 22:57:44 retired kernel: [ 5753.668009] FS:  00007feddf4207c0(0000) GS:ffff88023fc00000(0000) knlGS:0000000000000000
May  7 22:57:44 retired kernel: [ 5753.668009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
May  7 22:57:44 retired kernel: [ 5753.668009] CR2: 00007feddb07c000 CR3: 00000001e496b000 CR4: 00000000000006f0
May  7 22:57:44 retired kernel: [ 5753.668009] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
May  7 22:57:44 retired kernel: [ 5753.668009] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
May  7 22:57:44 retired kernel: [ 5753.668009] Process nepomukindexer (pid: 7979, threadinfo ffff8801e4adc000, task ffff8802344d1b80)
May  7 22:57:44 retired kernel: [ 5753.668009] Stack:
May  7 22:57:44 retired kernel: [ 5753.668009]  ffff8801e4aea380 ffff8801e4aea388 0000000000000000 00000001ffffed73
May  7 22:57:44 retired kernel: [ 5753.668009]  00007fedd6e67000 0000000000000000 00000000e4adddb8 00007fedd82fc000
May  7 22:57:44 retired kernel: [ 5753.668009]  ffff88021721dd00 0000000000000000 ffff88023213c380 ffff88022eacb910
May  7 22:57:44 retired kernel: [ 5753.668009] Call Trace:
May  7 22:57:44 retired kernel: [ 5753.668009]  [<ffffffff81110e43>] __split_vma+0x103/0x1f0
May  7 22:57:44 retired kernel: [ 5753.668009]  [<ffffffff811128f0>] split_vma+0x20/0x30
May  7 22:57:44 retired kernel: [ 5753.668009]  [<ffffffff8111379d>] mprotect_fixup+0x58d/0x680
May  7 22:57:44 retired kernel: [ 5753.668009]  [<ffffffff810284c4>] ? do_page_fault+0x1a4/0x480
May  7 22:57:44 retired kernel: [ 5753.668009]  [<ffffffff81113a18>] sys_mprotect+0x188/0x270
May  7 22:57:44 retired kernel: [ 5753.668009]  [<ffffffff815b3012>] system_call_fastpath+0x16/0x1b
May  7 22:57:44 retired kernel: [ 5753.668009] Code: 84 7a ff ff ff e9 c4 fb ff ff 48 89 5a 10 e9 f8 fd ff ff b8 f4 ff ff ff e9 7b fe ff ff 49 8b 45 10 48 39 46 08 0f 83 af fe ff ff <0f> 0b 0f 1f 40 00 55 48 89 e5 48 83 ec 40 48 89 5d d8 4c 89 65 
May  7 22:57:44 retired kernel: [ 5753.668009] RIP  [<ffffffff81110d3a>] vma_adjust+0x52a/0x530
May  7 22:57:44 retired kernel: [ 5753.668009]  RSP <ffff8801e4addd28>
May  7 22:57:44 retired kernel: [ 5753.677144] ---[ end trace 502d4882d4041318 ]---
May  8 06:09:05 retired kernel: [31634.820582] [drm] nouveau 0000:03:00.0: EvoCh 1 Mthd 0x0080 Data 0x00000000 (0x0006 0x05)
00:00.0 RAM memory: nVidia Corporation C51 Host Bridge (rev a2)
00:00.1 RAM memory: nVidia Corporation C51 Memory Controller 0 (rev a2)
00:00.2 RAM memory: nVidia Corporation C51 Memory Controller 1 (rev a2)
00:00.3 RAM memory: nVidia Corporation C51 Memory Controller 5 (rev a2)
00:00.4 RAM memory: nVidia Corporation C51 Memory Controller 4 (rev a2)
00:00.5 RAM memory: nVidia Corporation C51 Host Bridge (rev a2)
00:00.6 RAM memory: nVidia Corporation C51 Memory Controller 3 (rev a2)
00:00.7 RAM memory: nVidia Corporation C51 Memory Controller 2 (rev a2)
00:02.0 PCI bridge: nVidia Corporation C51 PCI Express Bridge (rev a1)
00:03.0 PCI bridge: nVidia Corporation C51 PCI Express Bridge (rev a1)
00:04.0 PCI bridge: nVidia Corporation C51 PCI Express Bridge (rev a1)
00:09.0 RAM memory: nVidia Corporation MCP51 Host Bridge (rev a2)
00:0a.0 ISA bridge: nVidia Corporation MCP51 LPC Bridge (rev a3)
00:0a.1 SMBus: nVidia Corporation MCP51 SMBus (rev a3)
00:0a.2 RAM memory: nVidia Corporation MCP51 Memory Controller 0 (rev a3)
00:0b.0 USB Controller: nVidia Corporation MCP51 USB Controller (rev a3)
00:0b.1 USB Controller: nVidia Corporation MCP51 USB Controller (rev a3)
00:0e.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1)
00:0f.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1)
00:10.0 PCI bridge: nVidia Corporation MCP51 PCI Bridge (rev a2)
00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio (rev a2)
00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5754 Gigabit Ethernet PCI Express (rev 02)
03:00.0 VGA compatible controller: nVidia Corporation G96 [GeForce 9500 GT] (rev a1)