On Fri, 22 Feb 2008 00:34:17 -0800 Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > On Tue, 19 Feb 2008 20:47:08 +0000 Paul Martin <pm@xxxxxxxxxx> wrote: > > > Now, this was working in 2.6.23, but is not in any later kernel. > > Previously reported, but I guess that the previous report was > > ignored due to the kernel being tainted. > > Not really. A lot of acpi-related bug reports get the > crickets-chirping treatment. > > The usual response with acpi is "please raise a bugzilla report", and > the acpi developers do respond well to bugzilla reports. But really, > a recent and oops-causing regression shouldn't require such actions - > developers should be running around with their hair on fire. > > > Well, there's nothing other than pure Linus here. > > > > When booted up docked, there is no oops until you try to undock. > > > > Whilst I will be looking for replies in the list, I'd appreciate > > being CC'd on any replies. > > > > ACPI: \_SB_.PCI0.PCI1.DOCK - docking > > PCI: Transparent bridge - 0000:02:03.0 > > ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCI1.DOCK._PRT] > > BUG: unable to handle kernel NULL pointer dereference at 00000000 > > IP: [<c01dd6f2>] pdev_sort_resources+0x8a/0x116 > > *pde = 00000000 > > Oops: 0000 [#1] PREEMPT SMP > > Modules linked in: radeon drm rfcomm l2cap bluetooth ppdev lp ipv6 > > ext3 jbd mbcache fuse dm_crypt crypto_blkcipher dm_mod > > cpufreq_stats speedstep_ich speedstep_lib thinkpad_acpi nvram > > acpiphp bay dock pcmcia firmware_class joydev yenta_socket > > rsrc_nonstatic pcmcia_core battery irtty_sir ac sir_dev > > snd_intel8x0 snd_ac97_codec nsc_ircc ac97_bus snd_pcm_oss > > snd_mixer_oss snd_pcm snd_timer irda parport_pc i2c_i801 button > > shpchp pci_hotplug crc_ccitt parport snd psmouse intel_agp agpgart > > iTCO_wdt evdev serio_raw soundcore snd_page_alloc rtc pcspkr xfs > > floppy e100 mii uhci_hcd usbcore sg sr_mod cdrom sd_mod thermal > > processor fan ata_piix libata scsi_mod radeonfb fb_ddc i2c_algo_bit > > i2c_core > > > > Pid: 39, comm: kacpi_notify Not tainted (2.6.25-rc2 #1) > > EIP: 0060:[<c01dd6f2>] EFLAGS: 00010246 CPU: 0 > > EIP is at pdev_sort_resources+0x8a/0x116 > > EAX: 00000000 EBX: 00000000 ECX: 00000000 EDX: 00000fff > > ESI: f5e30cc4 EDI: f74f1e80 EBP: f74f1e68 ESP: f74f1e48 > > DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 > > Process kacpi_notify (pid: 39, ti=f74f0000 task=f74cf120 > > task.ti=f74f0000) Stack: 00000000 f5e30cf0 f74f1e80 f5e30c00 > > 00000007 f5e30c00 f74cb414 f74cb400 f74f1e9c c02a9cce f5e30c08 > > f7431f90 f7431978 f5420c00 00000000 f7d6d408 f7d6d3c0 f74f1e9c > > 00000000 f7d6d3c8 f7d6d3c0 f74f1ed8 f9b278ca f74cb40c Call Trace: > > [<c02a9cce>] ? pci_bus_assign_resources+0x59/0x341 > > [<f9b278ca>] ? acpiphp_enable_slot+0x2a1/0x3a3 [acpiphp] > > [<f9b27ad9>] ? handle_hotplug_event_func+0x63/0x101 [acpiphp] > > [<f9b27167>] ? post_dock_fixups+0x6c/0x79 [acpiphp] > > [<c013506e>] ? notifier_call_chain+0x2b/0x4a > > [<f9b27a76>] ? handle_hotplug_event_func+0x0/0x101 [acpiphp] > > [<f9b22168>] ? hotplug_dock_devices+0x39/0xe1 [dock] > > [<f9b22441>] ? dock_notify+0x75/0xc0 [dock] > > [<c01f83c9>] ? acpi_ev_notify_dispatch+0x4f/0x5a > > [<c01f32c0>] ? acpi_os_execute_deferred+0x20/0x2c > > [<c012ef41>] ? run_workqueue+0x78/0xfb > > [<c01f32a0>] ? acpi_os_execute_deferred+0x0/0x2c > > [<c012f79d>] ? worker_thread+0xb6/0xc2 > > [<c0131b25>] ? autoremove_wake_function+0x0/0x30 > > [<c012f6e7>] ? worker_thread+0x0/0xc2 > > [<c0131a52>] ? kthread+0x3b/0x61 > > [<c0131a17>] ? kthread+0x0/0x61 > > [<c010568f>] ? kernel_thread_helper+0x7/0x10 > > ======================= > > Code: 50 52 51 ff 75 f0 68 a0 af 34 c0 e8 ce 4e f4 ff 83 c4 1c e9 > > 87 00 00 00 8b 7d e8 8d 42 01 83 7d f0 06 89 7d e0 0f 4e c8 8b 45 > > e0 <8b> 18 31 c0 85 db 74 29 8b 53 04 8b 43 08 89 d7 05 8c 01 00 00 > > EIP: [<c01dd6f2>] pdev_sort_resources+0x8a/0x116 SS:ESP > > 0068:f74f1e48 ---[ end trace 623ea8d57da4defe ]--- > > I suppose that if you're feeling keen, a bisection search as per > http://www.kernel.org/doc/local/git-quick.html would help things > along, thanks. > Hi Paul, I'll try to take a look at this today - I've got a T30 around here somewhere I can try to duplicate. Kristen - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html