Comment 10 for bug 367744

I'm getting this problem on my Jaunty laptop too:

[ 1569.661826] general protection fault: 0000 [#11] SMP
[ 1569.661837] last sysfs file: /sys/devices/LNXSYSTM:00/device:00/PNP0A08:00/device:01/PNP0C09:00/PNP0C0A:00/power_supply/BAT0/present
[ 1569.661844] CPU 1
[ 1569.661848] Modules linked in: cdc_acm isofs udf crc_itu_t bnep ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp kvm_intel kvm input_polldev sbp2 lp joydev snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss arc4 snd_seq_midi snd_rawmidi ecb snd_seq_midi_event snd_seq snd_timer snd_seq_device pcmcia iwlagn iwlcore thinkpad_acpi psmouse ppdev led_class mac80211 snd yenta_socket rsrc_nonstatic sdhci_pci parport_pc soundcore ricoh_mmc sdhci nvram btusb serio_raw pcspkr parport pcmcia_core cfg80211 video iTCO_wdt iTCO_vendor_support output snd_page_alloc nvidia(P) usbhid ohci1394 ieee1394 e1000e fbcon tileblit font bitblit softcursor i915 drm intel_agp
[ 1569.661971] Pid: 3830, comm: hald Tainted: P D 2.6.28-15-generic #49-Ubuntu
[ 1569.661976] RIP: 0010:[<ffffffff802e34f4>] [<ffffffff802e34f4>] __kmalloc+0x74/0x110
[ 1569.661991] RSP: 0018:ffff880127c1fbd8 EFLAGS: 00010086
[ 1569.661995] RAX: 0000000000000000 RBX: ffff080067000000 RCX: 0000000000000004
[ 1569.662000] RDX: ffff88002803dfe0 RSI: 00000000000080d0 RDI: 0000000000000008
[ 1569.662005] RBP: ffff880127c1fc08 R08: 0000000000000000 R09: ffff8801011d7880
[ 1569.662009] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffff809abcb8
[ 1569.662014] R13: 0000000000000282 R14: 00000000000080d0 R15: ffffffff804601d2
[ 1569.662019] FS: 00007f3c334ed6f0(0000) GS:ffff88013b803c80(0000) knlGS:0000000000000000
[ 1569.662025] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 1569.662029] CR2: 00007f37f6623000 CR3: 0000000127c38000 CR4: 00000000000026a0
[ 1569.662034] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1569.662039] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 1569.662044] Process hald (pid: 3830, threadinfo ffff880127c1e000, task ffff88012a884320)
[ 1569.662048] Stack:
[ 1569.662051] 0000000827c1fbe8 0000000000000008 0000000000000004 ffff880127c1fc38
[ 1569.662060] ffff880127c1fd00 ffffffff80819eec ffff880127c1fc28 ffffffff804601d2
[ 1569.662069] ffff8800bbc30060 ffff8801011d78a0 ffff880127c1fc88 ffffffff804603c8
[ 1569.662079] Call Trace:
[ 1569.662083] [<ffffffff804601d2>] acpi_os_allocate_zeroed+0x37/0x3b
[ 1569.662095] [<ffffffff804603c8>] acpi_ns_internalize_name+0x3f/0x7f
[ 1569.662104] [<ffffffff80460449>] acpi_ns_get_node+0x41/0xa1
[ 1569.662112] [<ffffffff802f190c>] ? path_put+0x2c/0x40
[ 1569.662120] [<ffffffff802b6511>] ? prep_new_page+0xf1/0x1a0
[ 1569.662129] [<ffffffff8045fb13>] acpi_ns_evaluate+0x3f/0x230
[ 1569.662137] [<ffffffff8045f6e7>] acpi_evaluate_object+0xfc/0x205
[ 1569.662144] [<ffffffff802b6976>] ? get_page_from_freelist+0xd6/0x190
[ 1569.662152] [<ffffffff8046dd1f>] acpi_battery_get_state+0x80/0xf4
[ 1569.662161] [<ffffffff8046e035>] acpi_battery_get_property+0x2c/0x1aa
[ 1569.662169] [<ffffffff80562c24>] power_supply_show_property+0x54/0x150
[ 1569.662178] [<ffffffff804b74fd>] dev_attr_show+0x2d/0x70
[ 1569.662187] [<ffffffff80347c90>] sysfs_read_file+0xb0/0x170
[ 1569.662195] [<ffffffff802e8478>] vfs_read+0xc8/0x130
[ 1569.662203] [<ffffffff802e85d0>] sys_read+0x50/0x90
[ 1569.662210] [<ffffffff8021253a>] system_call_fastpath+0x16/0x1b
[ 1569.662219] Code: fa 0f 1f 80 00 00 00 00 65 8b 04 25 24 00 00 00 48 98 49 8b 94 c4 e8 00 00 00 8b 7a 18 89 7d d4 48 8b 1a 48 85 db 74 4f 8b 42 14 <48> 8b 04 c3 48 89 02 4c 89 ef 57 9d 66 0f 1f 44 00 00 66 45 85
[ 1569.662294] RIP [<ffffffff802e34f4>] __kmalloc+0x74/0x110
[ 1569.662301] RSP <ffff880127c1fbd8>
[ 1569.662307] ---[ end trace b01019f44f87ea44 ]---

It happens to different processes (not always hald), and I have not suspended/resumes this system since its last rebooted.