Re: 2.6.24-git9 ACPI oops - regression

[Len Brown]

On Friday 01 February 2008 09:29, Rafael J. Wysocki wrote:
> [Relevant CCs added.]
> 
> On Friday, 1 of February 2008, Lukas Hejtmanek wrote:
> > Hello,
> > 
> > I encountered oops on my laptop Lenovo T61 and dock. If I press undock on the
> > dock, I got the following oops:

this worked in 2.6.24?
You are running the "dock" driver in both cases?

Assuming yes...
Since the dock driver itself hasn't changed, nor has the ACPI core,
something in the framwork changed....

Is this reproducible?
If yes, please open a bugzilla entry here:

http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI
Component = Config-hotplug

and attach the output from acpidump

thanks,
-Len


> > [79721.755165] BUG: unable to handle kernel paging request at 000000340000000e
> > [79721.755165] IP: [<ffffffff8034d147>] acpi_ns_map_handle_to_node+0x14/0x1d
> > [79721.755165] PGD 7203a067 PUD 0
> > [79721.755165] Oops: 0000 [1] SMP
> > [79721.755165] CPU 1
> > [79721.755165] Modules linked in: usb_storage i915 drm rfcomm l2cap bluetooth fuse arc4 ecb crypto_blkcipher ehci_hcd uhci_hcd e1000e snd_hda_intel intel_agp thinkpad_acpi [last unloaded: cfg80211]
> > [79721.755165] Pid: 69, comm: kacpi_notify Not tainted 2.6.24-git9 #4
> > [79721.755165] RIP: 0010:[<ffffffff8034d147>]  [<ffffffff8034d147>] acpi_ns_map_handle_to_node+0x14/0x1d
> > [79721.755165] RSP: 0018:ffff81007d197d28  EFLAGS: 00010246
> > [79721.755165] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
> > [79721.755165] RDX: 0000000000017567 RSI: 000000100002c0d0 RDI: 0000003400000006
> > [79721.755165] RBP: 0000000000000000 R08: ffff810003c00000 R09: 0000000000000000
> > [79721.755165] R10: 0000000000000002 R11: 0000000000000001 R12: 0000003400000006
> > [79721.755165] R13: 0000000000000000 R14: ffff81007d197d68 R15: ffff81007d197d70
> > [79721.755165] FS:  0000000000000000(0000) GS:ffff81007d00e380(0000) knlGS:0000000000000000
> > [79721.755165] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
> > [79721.755165] CR2: 000000340000000e CR3: 000000007200a000 CR4: 00000000000006a0
> > [79721.755165] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> > [79721.755165] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> > [79721.755165] Process kacpi_notify (pid: 69, threadinfo ffff81007d196000, task ffff81007d18ef20)
> > [79721.755165] Stack:  ffffffff8034e19f ffff8100519e8800 ffff81007d197de0 0000000000000001
> > [79721.755165]  0000000000000000 0000000000000001 ffffffff80357d3d ffff81007d02cdc0
> > [79721.755165]  0000000000000000 0000003400000006 0000000000000000 ffffffff8058cbaa
> > [79721.755165] Call Trace:
> > [79721.755165]  [<ffffffff8034e19f>] acpi_get_next_object+0x3b/0x99
> > [79721.755165]  [<ffffffff80357d3d>] acpi_bus_trim+0x57/0x109
> > [79721.755165]  [<ffffffff8035b28b>] hotplug_dock_devices+0x97/0x117
> > [79721.755166]  [<ffffffff8035b3a9>] handle_eject_request+0x4e/0xd3
> > [79721.755166]  [<ffffffff8033e04a>] acpi_os_execute_notify+0x0/0x2c
> > [79721.755166]  [<ffffffff80356088>] acpi_bus_get_device+0x1d/0x2e
> > [79721.755166]  [<ffffffff803560b0>] acpi_bus_notify+0x17/0x4c
> > [79721.755166]  [<ffffffff8033e04a>] acpi_os_execute_notify+0x0/0x2c
> > [79721.755166]  [<ffffffff80343a1d>] acpi_ev_notify_dispatch+0x57/0x60
> > [79721.755166]  [<ffffffff8033e06d>] acpi_os_execute_notify+0x23/0x2c
> > [79721.755166]  [<ffffffff802460bf>] run_workqueue+0xbf/0x160
> > [79721.755166]  [<ffffffff80246b00>] worker_thread+0x0/0x100
> > [79721.755166]  [<ffffffff80246b00>] worker_thread+0x0/0x100
> > [79721.755166]  [<ffffffff80246b9f>] worker_thread+0x9f/0x100
> > [79721.755166]  [<ffffffff80249e50>] autoremove_wake_function+0x0/0x30
> > [79721.755166]  [<ffffffff80246b00>] worker_thread+0x0/0x100
> > [79721.755166]  [<ffffffff80246b00>] worker_thread+0x0/0x100
> > [79721.755166]  [<ffffffff80249a4b>] kthread+0x4b/0x80
> > [79721.755166]  [<ffffffff8020d128>] child_rip+0xa/0x12
> > [79721.755166]  [<ffffffff80249a00>] kthread+0x0/0x80
> > [79721.755166]  [<ffffffff8020d11e>] child_rip+0x0/0x12
> > [79721.755166]
> > [79721.755166]
> > [79721.755166] Code: 00 c3 49 ff c1 48 83 c6 04 41 ff c8 45 85 c0 75 a8 31 c0 c6 06 00 c3 48 8d 47 ff 48 83 f8 fd 76 08 48 8b 05 dc 49 39 00 c3 31 c0 <80> 7f 08 0f 48 0f 44 c7 c3 48 89 f8 c3 31 c0 48 85 ff 74 0d f6
> > [79721.755166] RIP  [<ffffffff8034d147>] acpi_ns_map_handle_to_node+0x14/0x1d
> > [79721.755166]  RSP <ffff81007d197d28>
> > [79721.755166] CR2: 000000340000000e
> > [79721.755166] ---[ end trace 05a1f30122eb8809 ]---
> > 
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