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Date: Tue, 15 Apr 2014 00:55:50 +0100
From: Luis Henriques <luis.henriques@...onical.com>
To: Eric Piel <eric.piel@...mplin-utc.net>,
Robert Moore <robert.moore@...el.com>,
Lv Zheng <lv.zheng@...el.com>,
"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
Len Brown <lenb@...nel.org>
Cc: linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: BUG: using __this_cpu_write() in preemptible [00000000] code: systemd-udevd/497
(Cc'ing both lis3lv02d and ACPI maintainers)
Since commit 188a81409ff7de1c5aae947a96356ddd8ff4aaa3 ("percpu: add
preemption checks to __this_cpu ops") I've been seeing the following:
[ 10.485588] hp_accel: hardware type HPB64xx found
[ 10.485772] BUG: using __this_cpu_write() in preemptible [00000000] code: systemd-udevd/497
[ 10.485777] caller is __this_cpu_preempt_check+0x13/0x20
[ 10.485781] CPU: 3 PID: 497 Comm: systemd-udevd Tainted: G W 3.15.0-rc1 #9
[ 10.485783] Hardware name: Hewlett-Packard HP EliteBook 8470p/179B, BIOS 68ICF Ver. F.02 04/27/2012
[ 10.485785] ffffffff81a14db5 ffff88022c80b8e0 ffffffff81604ba4 0000000000000003
[ 10.485789] ffff88022c80b908 ffffffff81313431 0000000000000000 0000000000000032
[ 10.485793] 00000000000003e8 ffff88022c80b918 ffffffff81313473 ffff88022c80b928
[ 10.485796] Call Trace:
[ 10.485802] [<ffffffff81604ba4>] dump_stack+0x4e/0x7a
[ 10.485805] [<ffffffff81313431>] check_preemption_disabled+0xe1/0xf0
[ 10.485808] [<ffffffff81313473>] __this_cpu_preempt_check+0x13/0x20
[ 10.485813] [<ffffffff810e4eb8>] touch_nmi_watchdog+0x28/0x40
[ 10.485817] [<ffffffff81369c29>] acpi_os_stall+0x37/0x40
[ 10.485822] [<ffffffff813843e2>] acpi_ex_system_do_stall+0x39/0x3d
[ 10.485825] [<ffffffff81381138>] acpi_ex_opcode_1A_0T_0R+0x72/0xa3
[ 10.485829] [<ffffffff81379a5d>] acpi_ds_exec_end_op+0xd0/0x3e8
[ 10.485833] [<ffffffff8138b118>] acpi_ps_parse_loop+0x51d/0x576
[ 10.485836] [<ffffffff8138bbc4>] acpi_ps_parse_aml+0x98/0x289
[ 10.485839] [<ffffffff8138c41e>] acpi_ps_execute_method+0x1c1/0x26c
[ 10.485843] [<ffffffff81386dcd>] acpi_ns_evaluate+0x1c1/0x258
[ 10.485846] [<ffffffff8138960d>] acpi_evaluate_object+0x126/0x22f
[ 10.485850] [<ffffffff810a4492>] ? wake_up_klogd+0x52/0x70
[ 10.485853] [<ffffffff8136a520>] acpi_evaluate_integer+0x34/0x52
[ 10.485858] [<ffffffffa01671e9>] lis3lv02d_acpi_read+0x59/0x70 [hp_accel]
[ 10.485863] [<ffffffffa014e426>] lis3lv02d_init_device+0x26/0xc00 [lis3lv02d]
[ 10.485866] [<ffffffff8138dc93>] ? acpi_walk_resources+0x77/0x8d
[ 10.485870] [<ffffffffa0167265>] ? lis3lv02d_dmi_matched+0x35/0x40 [hp_accel]
[ 10.485874] [<ffffffffa0167381>] lis3lv02d_add+0xe1/0x1d0 [hp_accel]
[ 10.485878] [<ffffffff8136d83f>] acpi_device_probe+0x41/0xee
[ 10.485882] [<ffffffff813eba1d>] driver_probe_device+0xfd/0x240
[ 10.485886] [<ffffffff813ebc33>] __driver_attach+0x93/0xa0
[ 10.485889] [<ffffffff813ebba0>] ? __device_attach+0x40/0x40
[ 10.485893] [<ffffffff813e9b93>] bus_for_each_dev+0x63/0xa0
[ 10.485897] [<ffffffff813eb4ae>] driver_attach+0x1e/0x20
[ 10.485900] [<ffffffff813eb0e8>] bus_add_driver+0x178/0x230
[ 10.485904] [<ffffffffa001d000>] ? 0xffffffffa001cfff
[ 10.485908] [<ffffffff813ec264>] driver_register+0x64/0xf0
[ 10.485911] [<ffffffffa001d000>] ? 0xffffffffa001cfff
[ 10.485915] [<ffffffff8136e081>] acpi_bus_register_driver+0x3b/0x43
[ 10.485919] [<ffffffffa001d010>] lis3lv02d_driver_init+0x10/0x1000 [hp_accel]
[ 10.485923] [<ffffffff81000352>] do_one_initcall+0x112/0x160
[ 10.485927] [<ffffffff8103c763>] ? set_memory_nx+0x43/0x50
[ 10.485932] [<ffffffff810c79f0>] load_module+0x1b20/0x22f0
[ 10.485936] [<ffffffff810c4860>] ? ref_module+0x120/0x120
[ 10.485940] [<ffffffff810c4b6a>] ? copy_module_from_fd.isra.46+0x10a/0x160
[ 10.485944] [<ffffffff810c82ee>] SyS_finit_module+0x7e/0x80
[ 10.485949] [<ffffffff81614356>] system_call_fastpath+0x1a/0x1f
Before this BUG, I also have the following, which doesn't seem related
(but I may be wrong):
[ 1.868407] software IO TLB [mem 0xb4e1e000-0xb8e1e000] (64MB) mapped at [ffff8800b4e1e000-ffff8800b8e1dfff]
[ 1.868703] resource map sanity check conflict: 0xfed10000 0xfed15fff 0xfed10000 0xfed13fff reserved
[ 1.868705] ------------[ cut here ]------------
[ 1.868709] WARNING: CPU: 2 PID: 1 at arch/x86/mm/ioremap.c:171 __ioremap_caller+0x2d3/0x380()
[ 1.868710] Info: mapping multiple BARs. Your kernel is fine.
[ 1.868711] Modules linked in:
[ 1.868715] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 3.15.0-rc1 #9
[ 1.868716] Hardware name: Hewlett-Packard HP EliteBook 8470p/179B, BIOS 68ICF Ver. F.02 04/27/2012
[ 1.868717] 0000000000000009 ffff8802330fdb68 ffffffff81604ba4 ffff8802330fdbb0
[ 1.868720] ffff8802330fdba0 ffffffff8104b05d ffffc90010e88000 00000000fed16000
[ 1.868722] ffffc90010e88000 ffffc90010e88000 0000000000006000 ffff8802330fdc00
[ 1.868724] Call Trace:
[ 1.868729] [<ffffffff81604ba4>] dump_stack+0x4e/0x7a
[ 1.868733] [<ffffffff8104b05d>] warn_slowpath_common+0x7d/0xa0
[ 1.868735] [<ffffffff8104b0cc>] warn_slowpath_fmt+0x4c/0x50
[ 1.868738] [<ffffffff8105210c>] ? iomem_map_sanity_check+0xac/0xe0
[ 1.868740] [<ffffffff81039ce3>] __ioremap_caller+0x2d3/0x380
[ 1.868742] [<ffffffff81039da7>] ioremap_nocache+0x17/0x20
[ 1.868745] [<ffffffff8101eb15>] snb_uncore_imc_init_box+0x65/0x90
[ 1.868748] [<ffffffff810218f6>] uncore_pci_probe+0xd6/0x1c0
[ 1.868751] [<ffffffff81335ea5>] local_pci_probe+0x45/0xa0
[ 1.868754] [<ffffffff81337145>] ? pci_match_device+0xc5/0xd0
[ 1.868756] [<ffffffff81337269>] pci_device_probe+0xd9/0x130
[ 1.868760] [<ffffffff813eba1d>] driver_probe_device+0xfd/0x240
[ 1.868763] [<ffffffff813ebc33>] __driver_attach+0x93/0xa0
[ 1.868765] [<ffffffff813ebba0>] ? __device_attach+0x40/0x40
[ 1.868768] [<ffffffff813e9b93>] bus_for_each_dev+0x63/0xa0
[ 1.868770] [<ffffffff813eb4ae>] driver_attach+0x1e/0x20
[ 1.868773] [<ffffffff813eb0e8>] bus_add_driver+0x178/0x230
[ 1.868776] [<ffffffff81cf80c9>] ? uncore_types_init+0x1a7/0x1a7
[ 1.868779] [<ffffffff813ec264>] driver_register+0x64/0xf0
[ 1.868781] [<ffffffff81cf80c9>] ? uncore_types_init+0x1a7/0x1a7
[ 1.868783] [<ffffffff8133582c>] __pci_register_driver+0x4c/0x50
[ 1.868786] [<ffffffff81cf823e>] intel_uncore_init+0x175/0x42b
[ 1.868788] [<ffffffff81cf80c9>] ? uncore_types_init+0x1a7/0x1a7
[ 1.868791] [<ffffffff81000352>] do_one_initcall+0x112/0x160
[ 1.868795] [<ffffffff8106bbb8>] ? parse_args+0x1e8/0x320
[ 1.868797] [<ffffffff81cef01f>] kernel_init_freeable+0x168/0x1ed
[ 1.868799] [<ffffffff81cee83d>] ? do_early_param+0x88/0x88
[ 1.868802] [<ffffffff815fce10>] ? rest_init+0x90/0x90
[ 1.868804] [<ffffffff815fce1e>] kernel_init+0xe/0xf0
[ 1.868808] [<ffffffff816142ac>] ret_from_fork+0x7c/0xb0
[ 1.868810] [<ffffffff815fce10>] ? rest_init+0x90/0x90
[ 1.868815] ---[ end trace bb08bccc68a8cd3b ]---
Cheers,
--
Luis
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