If this is reproducible, I notice you are on the 2.6.27 Intrepid kernel. Just curious if you could also confirm if this exists on the 2.6.28 Jaunty kernel - http://www.ubuntu.com/testing/jaunty/beta . Thanks.
** Description changed: Dear interested parties, Please look at trace soon after "[ 11.852331] Linux agpgart interface v0.103" I wasn't sure if I should report this, since it makes no obvious problem in the system's operation. + + [ 12.086651] BUG: unable to handle kernel NULL pointer dereference at 00000008 + [ 12.086657] IP: [<de99e1e0>] :agpgart:agp_generic_create_gatt_table+0x150/0x1f0 + [ 12.086671] *pde = 00000000 + [ 12.086676] Oops: 0000 [#1] SMP + [ 12.086680] Modules linked in: amd64_agp(+) soundcore sis_agp snd_page_alloc agpgart shpchp pci_hotplug ext3 jbd mbcache sr_mod cdrom sd_mod crc_t10dif sg pata_acpi pata_sis ata_generic ohci_hcd ehci_hcd sis900 mii libata usbcore scsi_mod dock thermal processor fan fbcon tileblit font bitblit softcursor fuse + [ 12.086707] + [ 12.086711] Pid: 2318, comm: modprobe Not tainted (2.6.27-11-generic #1) + [ 12.086714] EIP: 0060:[<de99e1e0>] EFLAGS: 00010246 CPU: 0 + [ 12.086724] EIP is at agp_generic_create_gatt_table+0x150/0x1f0 [agpgart] + [ 12.086727] EAX: 00000000 EBX: 000000cc ECX: 00000010 EDX: 00000002 + [ 12.086731] ESI: db14a500 EDI: 00000000 EBP: dc23be74 ESP: dc23be58 + [ 12.086734] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 + [ 12.086738] Process modprobe (pid: 2318, ti=dc23a000 task=dd0f0c90 task.ti=dc23a000) + [ 12.086741] Stack: dc23be64 db165000 00000007 00000010 000000cc 00000100 db14a500 dc23be9c + [ 12.086749] de99c1f4 dd0ffc00 dc23bed0 de9a88e1 db14a500 c0263f8d dd11e400 ffffffed + [ 12.086757] db14a500 dc23bed0 de99c456 c0263fd0 ffffffff dd0c0000 00000070 00000000 + [ 12.086765] Call Trace: + [ 12.086768] [<de99c1f4>] ? agp_backend_initialize+0xc4/0x2a0 [agpgart] + [ 12.086778] [<de9a88e1>] ? fix_northbridge+0x66/0x2b6 [amd64_agp] + [ 12.086785] [<c0263f8d>] ? pci_get_subsys+0x5d/0x80 + [ 12.086793] [<de99c456>] ? agp_add_bridge+0x56/0x1a0 [agpgart] + [ 12.086802] [<c0263fd0>] ? pci_get_device+0x20/0x30 + [ 12.086807] [<c0119a02>] ? cache_k8_northbridges+0xd2/0x100 + [ 12.086815] [<de9a8c33>] ? agp_amd64_probe+0x102/0x270 [amd64_agp] + [ 12.086822] [<de86c000>] ? agp_amd64_init+0x0/0xcd [amd64_agp] + [ 12.086828] [<de86c0c3>] ? agp_amd64_init+0xc3/0xcd [amd64_agp] + [ 12.086833] [<c0101120>] ? _stext+0x30/0x160 + [ 12.086838] [<c012b55e>] ? try_to_wake_up+0xde/0x290 + [ 12.086846] [<c014c6b4>] ? __blocking_notifier_call_chain+0x14/0x70 + [ 12.086855] [<c015c2b8>] ? sys_init_module+0x88/0x1b0 + [ 12.086863] [<c0103f7b>] ? sysenter_do_call+0x12/0x2f + [ 12.086868] ======================= + [ 12.086870] Code: 31 db 90 8d 04 9d 00 00 00 00 8b 4e 24 89 c2 03 56 1c 89 0a 03 46 1c 8b 00 83 c3 01 3b 5d ec 7c e2 31 c0 e9 d9 fe ff ff 8d 76 00 <8b> 50 08 89 55 e8 8b 40 04 89 45 ec e9 17 ff ff ff 8d b4 26 00 + [ 12.086907] EIP: [<de99e1e0>] agp_generic_create_gatt_table+0x150/0x1f0 [agpgart] SS:ESP 0068:dc23be58 + [ 12.086920] ---[ end trace 59d3649cd64e978f ]--- Many blessings. ProblemType: Bug Architecture: i386 DistroRelease: Ubuntu 8.10 LsUsb: Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 002: ID 03f0:6004 Hewlett-Packard DeskJet 5550 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub NonfreeKernelModules: ath_hal Package: linux-image-2.6.27-11-generic 2.6.27-11.27 ProcCmdLine: root=UUID=c4fa4819-89ed-41dd-ac15-8c3f3de302b5 ro quiet splash ProcEnviron: PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games LANG=he_IL.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.27-11.27-generic SourcePackage: linux ** Tags added: kernel-oops ** Summary changed: - Some error message in dmesg + BUG: unable to handle kernel NULL pointer dereference agp_generic_create_gatt_table -- BUG: unable to handle kernel NULL pointer dereference agp_generic_create_gatt_table https://bugs.launchpad.net/bugs/352407 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
