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Date: Fri, 16 Sep 2011 15:29:54 +0800 From: Lin Ming <ming.m.lin@...el.com> To: Sitsofe Wheeler <sitsofe@...oo.com> Cc: "Moore, Robert" <robert.moore@...el.com>, "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: kmemleaks related to ACPI psparse On Fri, 2011-09-16 at 15:22 +0800, Sitsofe Wheeler wrote: > Hi, > > In 3.1.0-rc5-dirty the following warning appeared in dmesg: Hi, Please attach the acpidump output. Regards, Lin Ming > > [ 249.506212] ACPI Exception: AE_TIME, Returned by Handler for [EmbeddedControl] (20110623/evregion-478) > [ 249.506387] ACPI Error: Method parse/execution failed [\_SB_.PCI0.SBRG.EC0_.RCTP] (Node ee96daf0), AE_TIME (20110623/psparse-536) > [ 249.506636] ACPI Error: Method parse/execution failed [\_TZ_.RTMP] (Node eeb85000), AE_TIME (20110623/psparse-536) > [ 249.506827] ACPI Error: Method parse/execution failed [\_TZ_.TZ00._TMP] (Node eeb85190), AE_TIME (20110623/psparse-536) > [ 249.511953] Thermal: failed to read out thermal zone 0 > > Shortly followed by a bunch of kmemleak warnings (the initial trigger > has not been reproducible though): > > unreferenced object 0xedcb81a0 (size 32): > comm "kworker/0:2", pid 389, jiffies 4294915201 (age 649.854s) > hex dump (first 32 bytes): > 00 00 00 00 0d 01 70 00 00 00 00 00 00 00 00 00 ......p......... > 00 00 00 00 d0 8d cb ed 00 00 00 00 01 00 00 00 ................ > backtrace: > [<b0551807>] kmemleak_alloc+0x27/0x50 > [<b0196435>] kmem_cache_alloc+0xc5/0x180 > [<b02c5faf>] acpi_ps_alloc_op+0x82/0x84 > [<b02c55d5>] acpi_ps_parse_loop+0x1e9/0x830 > [<b02c4e1e>] acpi_ps_parse_aml+0x87/0x235 > [<b02c61b4>] acpi_ps_execute_method+0x190/0x248 > [<b02c1f8b>] acpi_ns_evaluate+0xc7/0x179 > [<b02c1abd>] acpi_evaluate_object+0xd1/0x1c0 > [<b02ad0aa>] acpi_evaluate_integer+0x2a/0x51 > [<b02cf9de>] thermal_get_temp+0x34/0x5a > [<b03f6d49>] thermal_zone_device_update+0x29/0x2a0 > [<b03f6fcd>] thermal_zone_device_check+0xd/0x10 > [<b013bd2c>] process_one_work+0x18c/0x3c0 > [<b013e697>] worker_thread+0x107/0x310 > [<b0141cac>] kthread+0x7c/0x90 > [<b055e102>] kernel_thread_helper+0x6/0xd > unreferenced object 0xedcb8dd0 (size 32): > comm "kworker/0:2", pid 389, jiffies 4294915201 (age 649.854s) > hex dump (first 32 bytes): > a0 81 cb ed 0d 01 36 00 00 00 00 00 00 00 00 00 ......6......... > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > backtrace: > [<b0551807>] kmemleak_alloc+0x27/0x50 > [<b0196435>] kmem_cache_alloc+0xc5/0x180 > [<b02c5faf>] acpi_ps_alloc_op+0x82/0x84 > [<b02c5159>] acpi_ps_complete_this_op+0xbb/0x146 > [<b02c5202>] acpi_ps_complete_op+0x1e/0x208 > [<b02c5afd>] acpi_ps_parse_loop+0x711/0x830 > [<b02c4e1e>] acpi_ps_parse_aml+0x87/0x235 > [<b02c61b4>] acpi_ps_execute_method+0x190/0x248 > [<b02c1f8b>] acpi_ns_evaluate+0xc7/0x179 > [<b02c1abd>] acpi_evaluate_object+0xd1/0x1c0 > [<b02ad0aa>] acpi_evaluate_integer+0x2a/0x51 > [<b02cf9de>] thermal_get_temp+0x34/0x5a > [<b03f6d49>] thermal_zone_device_update+0x29/0x2a0 > [<b03f6fcd>] thermal_zone_device_check+0xd/0x10 > [<b013bd2c>] process_one_work+0x18c/0x3c0 > [<b013e697>] worker_thread+0x107/0x310 > unreferenced object 0xedcb84e0 (size 32): > comm "kworker/0:2", pid 389, jiffies 4294915202 (age 649.853s) > hex dump (first 32 bytes): > 00 00 00 00 0d 01 a0 00 03 00 00 00 00 00 00 00 ................ > 00 00 00 00 00 80 cb ed 00 00 00 00 02 00 00 00 ................ > backtrace: > [<b0551807>] kmemleak_alloc+0x27/0x50 > [<b0196435>] kmem_cache_alloc+0xc5/0x180 > [<b02c5faf>] acpi_ps_alloc_op+0x82/0x84 > [<b02c55d5>] acpi_ps_parse_loop+0x1e9/0x830 > [<b02c4e1e>] acpi_ps_parse_aml+0x87/0x235 > [<b02c61b4>] acpi_ps_execute_method+0x190/0x248 > [<b02c1f8b>] acpi_ns_evaluate+0xc7/0x179 > [<b02c1abd>] acpi_evaluate_object+0xd1/0x1c0 > [<b02ad0aa>] acpi_evaluate_integer+0x2a/0x51 > [<b02cf9de>] thermal_get_temp+0x34/0x5a > [<b03f6d49>] thermal_zone_device_update+0x29/0x2a0 > [<b03f6fcd>] thermal_zone_device_check+0xd/0x10 > [<b013bd2c>] process_one_work+0x18c/0x3c0 > [<b013e697>] worker_thread+0x107/0x310 > [<b0141cac>] kthread+0x7c/0x90 > [<b055e102>] kernel_thread_helper+0x6/0xd > unreferenced object 0xedcb8000 (size 32): > comm "kworker/0:2", pid 389, jiffies 4294915209 (age 649.870s) > hex dump (first 32 bytes): > e0 84 cb ed 0d 01 a0 00 09 00 00 00 00 00 00 00 ................ > 00 00 00 00 90 8a cb ed 00 00 00 00 02 00 00 00 ................ > backtrace: > [<b0551807>] kmemleak_alloc+0x27/0x50 > [<b0196435>] kmem_cache_alloc+0xc5/0x180 > [<b02c5faf>] acpi_ps_alloc_op+0x82/0x84 > [<b02c55d5>] acpi_ps_parse_loop+0x1e9/0x830 > [<b02c4e1e>] acpi_ps_parse_aml+0x87/0x235 > [<b02c61b4>] acpi_ps_execute_method+0x190/0x248 > [<b02c1f8b>] acpi_ns_evaluate+0xc7/0x179 > [<b02c1abd>] acpi_evaluate_object+0xd1/0x1c0 > [<b02ad0aa>] acpi_evaluate_integer+0x2a/0x51 > [<b02cf9de>] thermal_get_temp+0x34/0x5a > [<b03f6d49>] thermal_zone_device_update+0x29/0x2a0 > [<b03f6fcd>] thermal_zone_device_check+0xd/0x10 > [<b013bd2c>] process_one_work+0x18c/0x3c0 > [<b013e697>] worker_thread+0x107/0x310 > [<b0141cac>] kthread+0x7c/0x90 > [<b055e102>] kernel_thread_helper+0x6/0xd > unreferenced object 0xedcb8a90 (size 32): > comm "kworker/0:2", pid 389, jiffies 4294915210 (age 649.869s) > hex dump (first 32 bytes): > 00 80 cb ed 0d 01 70 00 14 00 00 00 00 00 00 00 ......p......... > 00 00 00 00 40 83 cb ed 00 00 00 00 01 00 00 00 ....@........... > backtrace: > [<b0551807>] kmemleak_alloc+0x27/0x50 > [<b0196435>] kmem_cache_alloc+0xc5/0x180 > [<b02c5faf>] acpi_ps_alloc_op+0x82/0x84 > [<b02c55d5>] acpi_ps_parse_loop+0x1e9/0x830 > [<b02c4e1e>] acpi_ps_parse_aml+0x87/0x235 > [<b02c61b4>] acpi_ps_execute_method+0x190/0x248 > [<b02c1f8b>] acpi_ns_evaluate+0xc7/0x179 > [<b02c1abd>] acpi_evaluate_object+0xd1/0x1c0 > [<b02ad0aa>] acpi_evaluate_integer+0x2a/0x51 > [<b02cf9de>] thermal_get_temp+0x34/0x5a > [<b03f6d49>] thermal_zone_device_update+0x29/0x2a0 > [<b03f6fcd>] thermal_zone_device_check+0xd/0x10 > [<b013bd2c>] process_one_work+0x18c/0x3c0 > [<b013e697>] worker_thread+0x107/0x310 > [<b0141cac>] kthread+0x7c/0x90 > [<b055e102>] kernel_thread_helper+0x6/0xd > unreferenced object 0xedcb8340 (size 32): > comm "kworker/0:2", pid 389, jiffies 4294915210 (age 649.869s) > hex dump (first 32 bytes): > 90 8a cb ed 0d 01 2d 00 15 00 00 00 00 00 00 00 ......-......... > 00 00 00 00 85 17 f8 ef 00 00 00 00 00 00 00 00 ................ > backtrace: > [<b0551807>] kmemleak_alloc+0x27/0x50 > [<b0196435>] kmem_cache_alloc+0xc5/0x180 > [<b02c5faf>] acpi_ps_alloc_op+0x82/0x84 > [<b02c55d5>] acpi_ps_parse_loop+0x1e9/0x830 > [<b02c4e1e>] acpi_ps_parse_aml+0x87/0x235 > [<b02c61b4>] acpi_ps_execute_method+0x190/0x248 > [<b02c1f8b>] acpi_ns_evaluate+0xc7/0x179 > [<b02c1abd>] acpi_evaluate_object+0xd1/0x1c0 > [<b02ad0aa>] acpi_evaluate_integer+0x2a/0x51 > [<b02cf9de>] thermal_get_temp+0x34/0x5a > [<b03f6d49>] thermal_zone_device_update+0x29/0x2a0 > [<b03f6fcd>] thermal_zone_device_check+0xd/0x10 > [<b013bd2c>] process_one_work+0x18c/0x3c0 > [<b013e697>] worker_thread+0x107/0x310 > [<b0141cac>] kthread+0x7c/0x90 > [<b055e102>] kernel_thread_helper+0x6/0xd > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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