My X64 NASlite system has been running for several months with no problems and suddenly I have started getting errors reporting as follows Jul 20 13:58:45 [7] BUG: unable to handle kernel paging request at ffffca0003d75480 Jul 20 13:58:45 [7] IP: [] find_get_pages_tag+0x5d/0xce Jul 20 13:58:45 [4] PGD 0 Jul 20 13:58:45 [8] Oops: 0000 [#1] SMP Jul 20 13:58:45 [8] last sysfs file: /sys/devices/virtual/thermal/cooling_device1/max_state Jul 20 13:58:45 [4] CPU 0 Jul 20 13:58:45 [4] Modules BLOCKED_WORD in: sr_mod cdrom usb_storage sd_mod sata_sil ata_generic pata_acpi pata_atiixp ehci_hcd ohci_hcd usbcore nls_base ssb ahci libahci r8169 mii sata_sil24 libata scsi_mod thermal button processor thermal_sys pcspkr Jul 20 13:58:45 [4] Jul 20 13:58:45 [4] Pid: 4694, comm: flush-8:0 Not tainted 2.6.36.4.CORE3 #1 M4A77TD/System Product Name Jul 20 13:58:45 [4] RIP: 0010:[] [] find_get_pages_tag+0x5d/0xce Jul 20 13:58:45 [4] RSP: 0000:ffff880227d55b40 EFLAGS: 00010246 Jul 20 13:58:45 [4] RAX: ffff880119ed8ba0 RBX: ffff880227d55c10 RCX: 0000000000000003 Jul 20 13:58:45 [4] RDX: 0000000000000002 RSI: 00000000000002d8 RDI: ffffca0003d75478 Jul 20 13:58:45 [4] RBP: ffff880227d55bf0 R08: 0000000000000000 R09: ffff880119ed8d30 Jul 20 13:58:45 [4] R10: 0000000000000017 R11: ffffffff810a08e2 R12: 0000000000000004 Jul 20 13:58:45 [4] R13: 0000000000000004 R14: 000000000000000e R15: ffff880227d55c68 Jul 20 13:58:45 [4] FS: 0000000000000000(0000) GS:ffff880001600000(0000) knlGS:0000000000000000 Jul 20 13:58:45 [4] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Jul 20 13:58:45 [4] CR2: ffffca0003d75480 CR3: 00000002284a8000 CR4: 00000000000006b0 Jul 20 13:58:45 [4] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jul 20 13:58:45 [4] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Jul 20 13:58:45 [4] Process flush-8:0 (pid: 4694, threadinfo ffff880227d54000, task ffff88022ffa10e0) Jul 20 13:58:45 [8] Stack: Jul 20 13:58:45 [4] ffff880119cf8360 ffff880119cf8480 000000000000000e ffff880227d55be0 Jul 20 13:58:45 [4] <0> ffff880227d55d70 0000000000000001 ffff880119cf8478 0000000000000000 Jul 20 13:58:45 [4] <0> 0000000000000000 ffffffff810620de ffffea0003d75600 ffffffff81060b63 Jul 20 13:58:45 [8] Call Trace: Jul 20 13:58:45 [4] [] ? pagevec_lookup_tag+0x1a/0x21 Jul 20 13:58:45 [4] [] ? write_cache_pages+0x12e/0x2c7 Jul 20 13:58:45 [4] [] ? __writepage+0x0/0x21 Jul 20 13:58:45 [4] [] ? writeback_single_inode+0x99/0x203 Jul 20 13:58:45 [4] [] ? writeback_sb_inodes+0xa6/0x111 Jul 20 13:58:45 [4] [] ? writeback_inodes_wb+0xf2/0x102 Jul 20 13:58:45 [4] [] ? wb_writeback+0x18c/0x209 Jul 20 13:58:45 [4] [] ? wb_do_writeback+0x137/0x15f Jul 20 13:58:45 [4] [] ? bdi_writeback_thread+0x77/0x136 Jul 20 13:58:45 [4] [] ? bdi_writeback_thread+0x0/0x136 Jul 20 13:58:45 [4] [] ? kthread+0x7e/0x86 Jul 20 13:58:45 [4] [] ? kernel_thread_helper+0x4/0x10 Jul 20 13:58:45 [4] [] ? kthread+0x0/0x86 Jul 20 13:58:45 [4] [] ? kernel_thread_helper+0x0/0x10 Jul 20 13:58:45 [8] Code: 24 10 48 8b 7c 24 08 48 89 eb 45 31 ed 45 31 e4 e8 6c b2 0c 00 41 89 c6 eb 52 48 8b 03 48 8b 38 48 85 ff 74 40 40 f6 c7 01 75 c8 <8b> 57 08 85 d2 74 e8 8d 4a 01 89 d0 f0 0f b1 4f 08 39 d0 74 04 Jul 20 13:58:45 [7] RIP [] find_get_pages_tag+0x5d/0xce Jul 20 13:58:45 [4] RSP Jul 20 13:58:45 [8] CR2: ffffca0003d75480 Jul 20 13:58:45 [4] ---[ end trace 6b9355f32006a626 ]--- Jul 20 13:59:04 [2] warning: `smbd' uses 32-bit capabilities (legacy support in use) Jul 20 14:00:51 [7] BUG: unable to handle kernel paging request at ffffca000064ef38 Jul 20 14:00:51 [7] IP: [] find_get_pages_tag+0x5d/0xce Jul 20 14:00:51 [4] PGD 0 Jul 20 14:00:51 [8] Oops: 0000 [#2] SMP Jul 20 14:00:51 [8] last sysfs file: /sys/devices/virtual/thermal/cooling_device1/max_state Jul 20 14:00:51 [4] CPU 1 Jul 20 14:00:51 [4] Modules BLOCKED_WORD in: sr_mod cdrom usb_storage sd_mod sata_sil ata_generic pata_acpi pata_atiixp ehci_hcd ohci_hcd usbcore nls_base ssb ahci libahci r8169 mii sata_sil24 libata scsi_mod thermal button processor thermal_sys pcspkr Jul 20 14:00:51 [4] Jul 20 14:00:51 [4] Pid: 9953, comm: smbd Tainted: G D 2.6.36.4.CORE3 #1 M4A77TD/System Product Name Jul 20 14:00:51 [4] RIP: 0010:[] [] find_get_pages_tag+0x5d/0xce Jul 20 14:00:51 [4] RSP: 0000:ffff8802284ef948 EFLAGS: 00010246 Jul 20 14:00:51 [4] RAX: ffff880119e5aba0 RBX: ffff8802284ef9f8 RCX: 0000000000000000 Jul 20 14:00:51 [4] RDX: 000000000000235c RSI: 000000000000235c RDI: ffffca000064ef30 Jul 20 14:00:51 [4] RBP: ffff8802284ef9f8 R08: 0000000000000000 R09: ffff880119e5ad30 Jul 20 14:00:51 [4] R10: 000000000000001b R11: ffffffff810a08e2 R12: 0000000000000000 Jul 20 14:00:51 [4] R13: 0000000000000000 R14: 000000000000000e R15: ffff8802284efa70 Jul 20 14:00:51 [4] FS: 0000000000000000(0000) GS:ffff880001700000(0000) knlGS:0000000000000000 Jul 20 14:00:51 [4] CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b Jul 20 14:00:51 [4] CR2: ffffca000064ef38 CR3: 00000002284a8000 CR4: 00000000000006a0 Jul 20 14:00:51 [4] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jul 20 14:00:51 [4] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Jul 20 14:00:51 [4] Process smbd (pid: 9953, threadinfo ffff8802284ee000, task ffff88022ea4f080) Jul 20 14:00:51 [8] Stack: Jul 20 14:00:51 [4] ffff8800bb62ab58 ffff8800bb62ac78 000000000000000e ffff8802284ef9e8 Jul 20 14:00:51 [4] <0> ffff8802284efbc8 0000000000000000 ffff8800bb62ac70 0000000000000000 Jul 20 14:00:51 [4] <0> 0000000000000000 ffffffff810620de ffffea000064eef8 ffffffff81060b63 Jul 20 14:00:51 [8] Call Trace: Jul 20 14:00:51 [4] [] ? pagevec_lookup_tag+0x1a/0x21 Jul 20 14:00:51 [4] [] ? write_cache_pages+0x12e/0x2c7 Jul 20 14:00:51 [4] [] ? __writepage+0x0/0x21 Jul 20 14:00:51 [4] [] ? writeback_single_inode+0x99/0x203 Jul 20 14:00:51 [4] [] ? writeback_sb_inodes+0xa6/0x111 Jul 20 14:00:51 [4] [] ? writeback_inodes_wb+0xf2/0x102 Jul 20 14:00:51 [4] [] ? balance_dirty_pages_ratelimited_nr+0x271/0x318 Jul 20 14:00:51 [4] [] ? generic_file_buffered_write+0x1a6/0x1fe Jul 20 14:00:51 [4] [] ? __generic_file_aio_write+0x334/0x368 Jul 20 14:00:51 [4] [] ? sock_aio_read+0xde/0xe9 Jul 20 14:00:51 [4] [] ? generic_file_aio_write+0x53/0x99 Jul 20 14:00:51 [4] [] ? do_sync_write+0xb3/0xf7 Jul 20 14:00:51 [4] [] ? sys_sendto+0x10f/0x143 Jul 20 14:00:51 [4] [] ? ktime_get_ts+0x68/0xb2 Jul 20 14:00:51 [4] [] ? poll_select_copy_remaining+0xd1/0xf3 Jul 20 14:00:51 [4] [] ? vfs_write+0x94/0xb8 Jul 20 14:00:51 [4] [] ? sys_write+0x45/0x6e Jul 20 14:00:51 [4] [] ? ia32_sysret+0x0/0x5 Jul 20 14:00:51 [8] Code: 24 10 48 8b 7c 24 08 48 89 eb 45 31 ed 45 31 e4 e8 6c b2 0c 00 41 89 c6 eb 52 48 8b 03 48 8b 38 48 85 ff 74 40 40 f6 c7 01 75 c8 <8b> 57 08 85 d2 74 e8 8d 4a 01 89 d0 f0 0f b1 4f 08 39 d0 74 04 Jul 20 14:00:51 [7] RIP [] find_get_pages_tag+0x5d/0xce Jul 20 14:00:51 [4] RSP Jul 20 14:00:51 [8] CR2: ffffca000064ef38 Jul 20 14:00:51 [4] ---[ end trace 6b9355f32006a627 ]---
Anybody have any suggestions what could be causing them TIA
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