Mar 26 16:59:58 legion kernel: [25706.054808] BUG: unable to handle kernel NULL pointer dereference at virtual address 0000011c Mar 26 16:59:58 legion kernel: [25706.054822] printing eip: Mar 26 16:59:58 legion kernel: [25706.054824] c019bdad Mar 26 16:59:58 legion kernel: [25706.054830] 1e04e000 -> *pde = 00000001:27ed6001 Mar 26 16:59:58 legion kernel: [25706.054833] 07cd6000 -> *pme = 00000000:00000000 Mar 26 16:59:58 legion kernel: [25706.054838] Oops: 0000 [#1] Mar 26 16:59:58 legion kernel: [25706.054840] SMP Mar 26 16:59:58 legion kernel: [25706.054845] Modules linked in: loop xt_tcpudp xt_physdev tun iptable_filter ip_tables x_tables af_packet bridge ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi scsi_transport_iscsi ppdev video button dock sbs ac container battery parport_pc lp parport pcspkr serial_core shpchp pci_hotplug ipv6 evdev ext3 jbd mbcache ata_generic sg usbhid hid sd_mod mptsas mptscsih mptbase scsi_transport_sas ata_piix bnx2 qla3xxx qla4xxx libata scsi_mod uhci_hcd ehci_hcd usbcore thermal processor fan fuse apparmor commoncap Mar 26 16:59:58 legion kernel: [25706.054933] CPU: 0 Mar 26 16:59:58 legion kernel: [25706.054934] EIP: 0061:[drop_buffers+29/240] Not tainted VLI Mar 26 16:59:58 legion kernel: [25706.054935] EFLAGS: 00010296 (2.6.22-14-xen #1) Mar 26 16:59:58 legion kernel: [25706.054945] EIP is at drop_buffers+0x1d/0xf0 Mar 26 16:59:58 legion kernel: [25706.054949] eax: 00000000 ebx: e01a7814 ecx: c1db36a0 edx: 0000011c Mar 26 16:59:58 legion kernel: [25706.054952] esi: c0437178 edi: c1db36a0 ebp: c1db36b8 esp: c04cdddc Mar 26 16:59:58 legion kernel: [25706.054956] ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0069 Mar 26 16:59:58 legion kernel: [25706.054960] Process kswapd0 (pid: 202, ti=c04cc000 task=de082000 task.ti=c04cc000) Mar 26 16:59:58 legion kernel: [25706.054963] Stack: c019bb44 c0176e75 c019bb44 e01a7814 c04cde04 e01a7814 c1db36a0 00000000 Mar 26 16:59:58 legion kernel: [25706.054976] c1db36b8 c019beb6 00000000 c1db36a0 c03c0c00 00000001 c015b8c3 c04cdf14 Mar 26 16:59:58 legion kernel: [25706.054988] 00000000 c04cdf04 c04cdf0c c03c118c c03c1180 c04cdf84 0000000f 00000000 Mar 26 16:59:58 legion kernel: [25706.055000] Call Trace: Mar 26 16:59:58 legion kernel: [25706.055004] [free_buffer_head+20/48] free_buffer_head+0x14/0x30 Mar 26 16:59:58 legion kernel: [25706.055010] [kmem_cache_free+133/240] kmem_cache_free+0x85/0xf0 Mar 26 16:59:58 legion kernel: [25706.055017] [free_buffer_head+20/48] free_buffer_head+0x14/0x30 Mar 26 16:59:58 legion kernel: [25706.055032] [try_to_free_buffers+54/144] try_to_free_buffers+0x36/0x90 Mar 26 16:59:58 legion kernel: [25706.055042] [shrink_inactive_list+1971/2320] shrink_inactive_list+0x7b3/0x910 Mar 26 16:59:58 legion kernel: [25706.055072] [__pagevec_release+21/32] __pagevec_release+0x15/0x20 Mar 26 16:59:58 legion kernel: [25706.055079] [shrink_active_list+993/1280] shrink_active_list+0x3e1/0x500 Mar 26 16:59:58 legion kernel: [25706.055109] [shrink_zone+180/288] shrink_zone+0xb4/0x120 Mar 26 16:59:58 legion kernel: [25706.055121] [kswapd+828/1136] kswapd+0x33c/0x470 Mar 26 16:59:58 legion kernel: [25706.055140] [autoremove_wake_function+0/80] autoremove_wake_function+0x0/0x50 Mar 26 16:59:58 legion kernel: [25706.055150] [complete+64/96] complete+0x40/0x60 Mar 26 16:59:58 legion kernel: [25706.055160] [kswapd+0/1136] kswapd+0x0/0x470 Mar 26 16:59:58 legion kernel: [25706.055167] [kthread+66/112] kthread+0x42/0x70 Mar 26 16:59:58 legion kernel: [25706.055172] [kthread+0/112] kthread+0x0/0x70 Mar 26 16:59:58 legion kernel: [25706.055179] [kernel_thread_helper+7/16] kernel_thread_helper+0x7/0x10 Mar 26 16:59:58 legion kernel: [25706.055189] ======================= Mar 26 16:59:58 legion kernel: [25706.055191] Code: e3 5b 5e c3 8d 76 00 8d bc 27 00 00 00 00 55 57 89 c7 56 53 83 ec 14 89 54 24 10 8b 00 f6 c4 08 0f 84 ce 00 00 00 8b 77 0c 89 f2 <8b> 02 f6 c4 08 74 0d 8b 47 10 85 c0 74 06 f0 0f ba 68 3c 14 8b Mar 26 16:59:58 legion kernel: [25706.055253] EIP: [drop_buffers+29/240] drop_buffers+0x1d/0xf0 SS:ESP 0069:c04cdddc