From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Jan Beulich" <JBeulich@novell.com>
Subject: AW: Re: Xen BUG in mm / Xen 4.0.1 with
	2.6.32.18/21 pvops Kernel?
Date: Fri, 10 Sep 2010 09:22:37 +0100
Message-ID: <4C8A06ED02000078000155E5@vpn.id2.novell.com>
References: <H00000670008304a.1284057636.uhura.space.zz@MHS>
	<H000006700083071.1284059062.uhura.space.zz@MHS>
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To: Carsten Schiers <carsten@schiers.de>
Cc: xen-devel <xen-devel@lists.xensource.com>
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>>> On 09.09.10 at 21:04, "Carsten Schiers" <carsten@schiers.de> wrote:
> [    3.711073] WARNING: at mm/page_alloc.c:1820=20
> __alloc_pages_nodemask+0x1b5/0x603()

Is it this warning

	if (order >=3D MAX_ORDER) {
		WARN_ON_ONCE(!(gfp_mask & __GFP_NOWARN));
		return NULL;
	}

according to your sources? And do you not see it with a native
kernel?

Jan

> [    3.711073] Hardware name: To Be Filled By O.E.M.
> [    3.711073] Modules linked in:
> [    3.711073] Pid: 1, comm: swapper Not tainted 2.6.32.21 #1
> [    3.711073] Call Trace:
> [    3.711073]  [<ffffffff810478da>] warn_slowpath_common+0x77/0x8f
> [    3.711073]  [<ffffffff81047901>] warn_slowpath_null+0xf/0x11
> [    3.711073]  [<ffffffff810afcae>] __alloc_pages_nodemask+0x1b5/0x603
> [    3.711073]  [<ffffffff81030e41>] ? __ioremap_caller+0x291/0x2f7
> [    3.711073]  [<ffffffff8146bed2>] ? _spin_unlock_irqrestore+0x48/0x4b
> [    3.711073]  [<ffffffff81459bc1>] ? acpi_os_map_memory+0x12/0x1b
> [    3.711073]  [<ffffffff810b010e>] __get_free_pages+0x12/0x4f
> [    3.711073]  [<ffffffff810daae5>] __kmalloc+0x42/0x180
> [    3.711073]  [<ffffffff81253f53>] acpi_os_allocate+0x33/0x35
> [    3.711073]  [<ffffffff8125402d>] acpi_ex_load_op+0xd8/0x263
> [    3.711073]  [<ffffffff812567ae>] acpi_ex_opcode_1A_1T_0R+0x25/0x4b
> [    3.711073]  [<ffffffff8124e020>] acpi_ds_exec_end_op+0xea/0x3d6
> [    3.711073]  [<ffffffff8125feef>] acpi_ps_parse_loop+0x7bb/0x940
> [    3.711073]  [<ffffffff8124e8f5>] ?=20
> acpi_ds_call_control_method+0x174/0x1e3
> [    3.711073]  [<ffffffff8125eff5>] acpi_ps_parse_aml+0x9a/0x2d9
> [    3.711073]  [<ffffffff8126073a>] acpi_ps_execute_method+0x1e4/0x2b6
> [    3.711073]  [<ffffffff8125bec9>] acpi_ns_evaluate+0xe1/0x1a8
> [    3.711073]  [<ffffffff8125b910>] acpi_evaluate_object+0xf9/0x1f2
> [    3.711073]  [<ffffffff81023da1>] ? init_intel_pdc+0xd1/0x191
> [    3.711073]  [<ffffffff81269ec7>] acpi_processor_set_pdc+0x3c/0x3e
> [    3.711073]  [<ffffffff8146988d>] xen_acpi_processor_add+0x303/0x43a
> [    3.711073]  [<ffffffff812453a7>] acpi_device_probe+0x4b/0x11d
> [    3.711073]  [<ffffffff812f7f70>] driver_probe_device+0x9a/0x11f
> [    3.711073]  [<ffffffff812f804d>] __driver_attach+0x58/0x7c
> [    3.711073]  [<ffffffff812f7ff5>] ? __driver_attach+0x0/0x7c
> [    3.711073]  [<ffffffff812f75ce>] bus_for_each_dev+0x4e/0x83
> [    3.711073]  [<ffffffff812f7def>] driver_attach+0x19/0x1b
> [    3.711073]  [<ffffffff812f7a47>] bus_add_driver+0xb1/0x1fe
> [    3.711073]  [<ffffffff812f8311>] driver_register+0x99/0x10a
> [    3.711073]  [<ffffffff8173c1c1>] ? acpi_processor_init+0x0/0x128
> [    3.711073]  [<ffffffff81245de0>] acpi_bus_register_driver+0x3e/0x40
> [    3.711073]  [<ffffffff8126cd2a>] xen_acpi_processor_init+0x10/0x12
> [    3.711073]  [<ffffffff8173c26f>] acpi_processor_init+0xae/0x128
> [    3.711073]  [<ffffffff81245de0>] ?=20
> acpi_bus_register_driver+0x3e/0x40
> [    3.711073]  [<ffffffff8173c14b>] ? acpi_video_init+0x0/0x76
> [    3.711073]  [<ffffffff8100a05f>] do_one_initcall+0x59/0x170
> [    3.711073]  [<ffffffff817176fe>] kernel_init+0x153/0x1a9
> [    3.711073]  [<ffffffff81013caa>] child_rip+0xa/0x20
> [    3.711073]  [<ffffffff81012e61>] ? int_ret_from_sys_call+0x7/0x1b
> [    3.711073]  [<ffffffff8101361d>] ? retint_restore_args+0x5/0x6
> [    3.711073]  [<ffffffff81013ca0>] ? child_rip+0x0/0x20
> [    3.711073] ---[ end trace a7919e7f17c0a725 ]---