I have the same kernel panic, with Ubuntu 8.0.4 and Xen kernel. This is a VM on a Citrix XenServer 5.0 (hypervisor) !
copy/paste of my backtrace: [46283.779236] BUG: unable to handle kernel NULL pointer dereference at virtual address 00000108 [46283.779256] printing eip: e08b9928 [46283.779262] 1f13e000 -> *pde = 00000001:11782027 [46283.779266] 1e320000 -> *pme = 00000000:00000000 [46283.779271] Oops: 0000 [#1] SMP [46283.779276] Modules linked in: nls_cp437 cifs iptable_filter ip_tables x_tables parport_pc lp parport loop ipv6 evdev 8250 serial_core ext3 jbd mbcache dm_mirror dm_snapshot dm_mod fuse [46283.779305] [46283.779308] Pid: 102, comm: pdflush Not tainted (2.6.24-19-xen #1) [46283.779313] EIP: 0061:[<e08b9928>] EFLAGS: 00010286 CPU: 0 [46283.779323] EIP is at walk_page_buffers+0x18/0x70 [ext3] [46283.779327] EAX: 00000000 EBX: 00000000 ECX: 00000000 EDX: 00000104 [46283.779331] ESI: 00000104 EDI: c0477178 EBP: 00000000 ESP: de4c5e08 [46283.779335] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069 [46283.779340] Process pdflush (pid: 102, ti=de4c4000 task=deb0d290 task.ti=de4c4000) [46283.779344] Stack: 00000000 d074648c c1b01d00 c0477178 d074648c de4c5f74 e08bcc12 00001000 [46283.779357] 00000000 e08b9980 d074648c de949580 0000000b de4c5f74 0000000e c01637c8 [46283.779370] c1b01d00 c0163e5f 00000000 0000000e c01637c0 de949580 00000000 00000001 [46283.779383] Call Trace: [46283.779388] [<e08bcc12>] ext3_ordered_writepage+0xa2/0x180 [ext3] [46283.779400] [<e08b9980>] bget_one+0x0/0x10 [ext3] [46283.779410] [<c01637c8>] __writepage+0x8/0x30 [46283.779417] [<c0163e5f>] write_cache_pages+0x21f/0x310 [46283.779423] [<c01637c0>] __writepage+0x0/0x30 [46283.779430] [<c0163f70>] generic_writepages+0x20/0x30 [46283.779436] [<c0163fc9>] do_writepages+0x49/0x50 [46283.779441] [<c01a2b69>] __writeback_single_inode+0x89/0x320 [46283.779449] [<c011cda3>] dequeue_entity+0x13/0x40 [46283.779454] [<e08622cd>] dm_table_any_congested+0xd/0x60 [dm_mod] [46283.779466] [<c01a319f>] sync_sb_inodes+0x19f/0x270 [46283.779472] [<c01a3489>] writeback_inodes+0x89/0xc0 [46283.779477] [<c0164a15>] wb_kupdate+0x85/0xf0 [46283.779483] [<c0164ec0>] pdflush+0x0/0x250 [46283.779487] [<c0165006>] pdflush+0x146/0x250 [46283.779492] [<c0164990>] wb_kupdate+0x0/0xf0 [46283.779497] [<c013b8d2>] kthread+0x42/0x70 [46283.779502] [<c013b890>] kthread+0x0/0x70 [46283.779507] [<c0105bb7>] kernel_thread_helper+0x7/0x10 [46283.779513] ======================= [46283.779516] Code: 02 74 f0 31 c0 39 d9 5b 0f 97 c0 c3 8d b4 26 00 00 00 00 55 57 89 d7 56 53 83 ec 08 89 44 24 04 31 c0 89 0c 24 8b 6a 14 8d 1c 28 <8b> 72 04 3b 1c 24 76 30 89 d8 29 e8 3b 44 24 1c 73 26 8b 44 24 [46283.779575] EIP: [<e08b9928>] walk_page_buffers+0x18/0x70 [ext3] SS:ESP 0069:de4c5e08 [46283.779590] ---[ end trace 4e669a929b9f8033 ]--- PS: I would be happy to test new kernel, but where can i find the package ? aptitude install linux-image-2.6.27-xen doesn't work -- Kernel BUG: unable to handle kernel NULL pointer dereference at virtual address 00000108 https://bugs.launchpad.net/bugs/236059 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
