Is anyone having any luck with x86_64 smp and nvidia (dell 670 with dual xeon 64s)? I get a lovely kernel panic and I have to "push the button..." It works fine on my home single Athlon64. May 20 14:33:48 wintermute kernel: ----------- [cut here ] --------- [please bite here ] --------- May 20 14:33:48 wintermute kernel: Kernel BUG at "arch/x86_64/mm/pageattr.c":154 May 20 14:33:48 wintermute kernel: invalid operand: 0000 [1] SMP May 20 14:33:48 wintermute kernel: CPU 2 May 20 14:33:48 wintermute kernel: Modules linked in: vmnet(U) vmmon(U) nvidia(U) nfsd exportfs lockd parport_pc lp parport autofs4 i2c_dev i2c_core rfcomm l2cap bluetooth sunrpc md5 ipv6 video button battery ac joydev ohci1394 ieee1394 uhci_hcd ehci_hcd tpm_nsc tpm snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_emul snd_emu10k1 snd_rawmidi snd_ac97_codec snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc snd_util_mem snd_hwdep snd soundcore e100 mii e1000 floppy dm_snapshot dm_zero dm_mirror ext3 jbd raid5 xor dm_mod ata_piix libata aic79xx aic7xxx scsi_transport_spi sd_mod scsi_mod May 20 14:33:48 wintermute kernel: Pid: 19258, comm: X Tainted: P 2.6.11-1.1323_FC4smp May 20 14:33:48 wintermute kernel: RIP: 0010:[<ffffffff80124b82>] <ffffffff80124b82>{__change_page_attr+706} May 20 14:33:48 wintermute kernel: RSP: 0018:ffff810106341ce8 EFLAGS: 00010282 May 20 14:33:48 wintermute kernel: RAX: 00000000000002a0 RBX: ffff8100010002a0 RCX: ffff81000000e000 May 20 14:33:48 wintermute kernel: RDX: 0000000000000060 RSI: 00000000000c7fec RDI: ffff810001000000 May 20 14:33:48 wintermute kernel: RBP: ffff8100c7fec000 R08: 03fffffffffff000 R09: 80000000c7e001e3 May 20 14:33:48 wintermute kernel: R10: 8000000000000163 R11: 0000000000000020 R12: 0000000000000018 May 20 14:33:48 wintermute kernel: R13: 00000000000001f8 R14: ffff81000000c1f8 R15: 8000000000000163 May 20 14:33:48 wintermute kernel: FS: 00002aaaaabe96e0(0000) GS:ffffffff80512480(0000) knlGS:0000000000000000 May 20 14:33:48 wintermute kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 May 20 14:33:48 wintermute kernel: CR2: 0000000000967070 CR3: 000000008a45d000 CR4: 00000000000006e0 May 20 14:33:48 wintermute kernel: Process X (pid: 19258, threadinfo ffff810106340000, task ffff810067f2c7c0) May 20 14:33:48 wintermute kernel: Stack: 0000000000000001 ffffffff80101810 0000000000000000 ffffffff8011d6d4 May 20 14:33:48 wintermute kernel: ffffffff80426038 ffffffff8035e973 ffffffff8011aa10 ffff8100c7fec000 May 20 14:33:48 wintermute kernel: 00000000000c7fec 0000000000000000 May 20 14:33:48 wintermute kernel: Call Trace:<ffffffff80101810>{init_level4_pgt+2064} <ffffffff8011d6d4>{flat_send_IPI_allbutself+20} May 20 14:33:48 wintermute kernel: <ffffffff8035e973>{__down_write+51} <ffffffff8011aa10>{do_flush_tlb_all+0} May 20 14:33:48 wintermute kernel: <ffffffff80124e0c>{change_page_attr_addr+172} <ffffffff80124741>{iounmap+257} May 20 14:33:48 wintermute kernel: <ffffffff8866c473>{:nvidia:os_unmap_kernel_space+9} May 20 14:33:48 wintermute kernel: <ffffffff8846046e>{:nvidia:_nv001626rm+102} <ffffffff8858df63>{:nvidia:_nv003856rm+107} May 20 14:33:48 wintermute kernel: <ffffffff8857c777>{:nvidia:_nv004391rm+145} <ffffffff8857c1f1>{:nvidia:_nv004194rm+99} May 20 14:33:48 wintermute kernel: <ffffffff88463395>{:nvidia:_nv001175rm+231} <ffffffff8846662c>{:nvidia:rm_shutdown_adapter+102} May 20 14:33:48 wintermute kernel: <ffffffff886694e2>{:nvidia:nv_kern_close+425} <ffffffff8018ac32>{__fput+114} May 20 14:33:49 wintermute kernel: <ffffffff80187e6a>{filp_close+122} <ffffffff801884f7>{sys_close+151} tjb -- ======================================================================= | Thomas Baker email: tjb@xxxxxxx | | Systems Programmer | | Research Computing Center voice: (603) 862-4490 | | University of New Hampshire fax: (603) 862-1761 | | 332 Morse Hall | | Durham, NH 03824 USA http://wintermute.sr.unh.edu/~tjb | =======================================================================