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Message-Id: <1173542588.6561.41.camel@Homer.simpson.net> Date: Sat, 10 Mar 2007 17:03:08 +0100 From: Mike Galbraith <efault@....de> To: Greg KH <greg@...ah.com> Cc: Andrew Morton <akpm@...ux-foundation.org>, Tejun Heo <htejun@...il.com>, Kay Sievers <kay.sievers@...y.org>, linux-kernel@...r.kernel.org, Adrian Bunk <bunk@...sta.de> Subject: Re: kref refcounting breakage in mainline P.S. forgot to include diagnostic log. Kobject c0644890 is the source of my woes. Printk's come below WARN_ON(is_ipmi_si_kobj). Post-tinker log is huge, and probably not interesting. [ 30.397160] kobject ipmi_devintf: registering. parent: <NULL>, set: module [ 30.404033] kobject_uevent_env [ 30.407098] fill_kobj_path: path = '/module/ipmi_devintf' [ 30.412524] BUG: at lib/kobject.c:448 kobject_get() [ 30.417402] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 30.422564] [<c01057b2>] show_trace+0x12/0x14 [ 30.427031] [<c0105856>] dump_stack+0x16/0x18 [ 30.431501] [<c02d3c2b>] kobject_get+0x66/0x87 [ 30.436056] [<c02d3f1e>] kobject_shadow_add+0x10/0x1e8 [ 30.441312] [<c02d4100>] kobject_add+0xa/0xc [ 30.445695] [<c06804c0>] kernel_param_sysfs_setup+0x4d/0x7f [ 30.451376] [<c068067a>] param_sysfs_init+0x188/0x1c3 [ 30.456538] [<c06725bc>] init+0x144/0x26c [ 30.460661] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 30.465907] ======================= [ 30.469486] get: c18f65c0 count after get is 2 [ 30.473927] kobject ipmi_si: registering. parent: <NULL>, set: module [ 30.480372] kobject_uevent_env [ 30.483430] fill_kobj_path: path = '/module/ipmi_si' ...... [ 73.266556] bus platform: add driver ipmi [ 73.278013] kobject ipmi: registering. parent: <NULL>, set: drivers [ 73.291847] kobject_uevent_env [ 73.302358] fill_kobj_path: path = '/bus/platform/drivers/ipmi' [ 73.315943] ipmi message handler version 39.1 [ 73.327839] ipmi device interface [ 73.338524] device class 'ipmi': registering [ 73.350158] subsystem ipmi: registering [ 73.361309] kobject ipmi: registering. parent: <NULL>, set: class [ 73.374841] bus platform: add driver ipmi_si [ 73.386442] BUG: at lib/kobject.c:448 kobject_get() [ 73.398617] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 73.411079] [<c01057b2>] show_trace+0x12/0x14 [ 73.422780] [<c0105856>] dump_stack+0x16/0x18 [ 73.434324] [<c02d3c2b>] kobject_get+0x66/0x87 [ 73.445860] [<c02d3f1e>] kobject_shadow_add+0x10/0x1e8 [ 73.458088] [<c02d4100>] kobject_add+0xa/0xc [ 73.469286] [<c02d4248>] kobject_register+0x22/0xb3 [ 73.480986] [<c035a13e>] bus_add_driver+0x77/0x1ae [ 73.492592] [<c035b109>] driver_register+0x54/0x84 [ 73.504101] [<c034c486>] init_ipmi_si+0x4d/0x829 [ 73.515335] [<c06725bc>] init+0x144/0x26c [ 73.525822] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 73.537452] ======================= [ 73.547290] get: c064475c count after get is 2 [ 73.557969] kobject ipmi_si: registering. parent: <NULL>, set: drivers [ 73.570825] kobject_uevent_env [ 73.580011] fill_kobj_path: path = '/bus/platform/drivers/ipmi_si' [ 73.592622] BUG: at lib/kobject.c:242 kobject_register() [ 73.604312] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 73.615822] [<c01057b2>] show_trace+0x12/0x14 [ 73.626551] [<c0105856>] dump_stack+0x16/0x18 [ 73.637211] [<c02d429f>] kobject_register+0x79/0xb3 [ 73.648325] [<c035a13e>] bus_add_driver+0x77/0x1ae [ 73.659297] [<c035b109>] driver_register+0x54/0x84 [ 73.670164] [<c034c486>] init_ipmi_si+0x4d/0x829 [ 73.680756] [<c06725bc>] init+0x144/0x26c [ 73.690699] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 73.701854] ======================= [ 73.711295] register: c064475c count now is 2 error 0 [ 73.722218] BUG: at lib/kobject.c:448 kobject_get() [ 73.732911] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 73.743927] [<c01057b2>] show_trace+0x12/0x14 [ 73.754112] [<c0105856>] dump_stack+0x16/0x18 [ 73.764253] [<c02d3c2b>] kobject_get+0x66/0x87 [ 73.774532] [<c035b157>] get_driver+0x11/0x18 [ 73.784725] [<c035b194>] driver_create_file+0xf/0x32 [ 73.795559] [<c035a221>] bus_add_driver+0x15a/0x1ae [ 73.806343] [<c035b109>] driver_register+0x54/0x84 [ 73.817055] [<c034c486>] init_ipmi_si+0x4d/0x829 [ 73.827595] [<c06725bc>] init+0x144/0x26c [ 73.837468] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 73.848544] ======================= [ 73.857932] get: c064475c count after get is 3 [ 73.868223] BUG: at lib/kobject.c:494 kobject_put() [ 73.878943] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 73.890019] [<c01057b2>] show_trace+0x12/0x14 [ 73.900239] [<c0105856>] dump_stack+0x16/0x18 [ 73.910294] [<c02d3ae7>] kobject_put+0x69/0x82 [ 73.920304] [<c035b144>] put_driver+0xb/0xd [ 73.929909] [<c035b1b0>] driver_create_file+0x2b/0x32 [ 73.940362] [<c035a221>] bus_add_driver+0x15a/0x1ae [ 73.950686] [<c035b109>] driver_register+0x54/0x84 [ 73.960966] [<c034c486>] init_ipmi_si+0x4d/0x829 [ 73.971055] [<c06725bc>] init+0x144/0x26c [ 73.980478] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 73.991119] ======================= [ 74.000050] put: c064475c count before put is 3 [ 74.010026] BUG: at lib/kobject.c:448 kobject_get() [ 74.020367] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 74.031011] [<c01057b2>] show_trace+0x12/0x14 [ 74.040867] [<c0105856>] dump_stack+0x16/0x18 [ 74.050602] [<c02d3c2b>] kobject_get+0x66/0x87 [ 74.060353] [<c035b157>] get_driver+0x11/0x18 [ 74.070034] [<c035b194>] driver_create_file+0xf/0x32 [ 74.080418] [<c035a233>] bus_add_driver+0x16c/0x1ae [ 74.090742] [<c035b109>] driver_register+0x54/0x84 [ 74.100979] [<c034c486>] init_ipmi_si+0x4d/0x829 [ 74.111041] [<c06725bc>] init+0x144/0x26c [ 74.120431] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 74.131047] ======================= [ 74.139949] get: c064475c count after get is 3 [ 74.149807] BUG: at lib/kobject.c:494 kobject_put() [ 74.160111] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 74.170739] [<c01057b2>] show_trace+0x12/0x14 [ 74.180569] [<c0105856>] dump_stack+0x16/0x18 [ 74.190286] [<c02d3ae7>] kobject_put+0x69/0x82 [ 74.200019] [<c035b144>] put_driver+0xb/0xd [ 74.209503] [<c035b1b0>] driver_create_file+0x2b/0x32 [ 74.219982] [<c035a233>] bus_add_driver+0x16c/0x1ae [ 74.230312] [<c035b109>] driver_register+0x54/0x84 [ 74.240550] [<c034c486>] init_ipmi_si+0x4d/0x829 [ 74.250614] [<c06725bc>] init+0x144/0x26c [ 74.260001] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 74.270618] ======================= [ 74.279530] put: c064475c count before put is 3 [ 74.289481] IPMI System Interface driver. [ 74.298864] bus pci: add driver ipmi_si [ 74.308007] BUG: at lib/kobject.c:448 kobject_get() [ 74.318260] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 74.328861] [<c01057b2>] show_trace+0x12/0x14 [ 74.338637] [<c0105856>] dump_stack+0x16/0x18 [ 74.348372] [<c02d3c2b>] kobject_get+0x66/0x87 [ 74.358245] [<c02d3f1e>] kobject_shadow_add+0x10/0x1e8 [ 74.368837] [<c02d4100>] kobject_add+0xa/0xc [ 74.378528] [<c02d4248>] kobject_register+0x22/0xb3 [ 74.388817] [<c035a13e>] bus_add_driver+0x77/0x1ae [ 74.399027] [<c035b109>] driver_register+0x54/0x84 [ 74.409229] [<c02e2999>] __pci_register_driver+0x7e/0xb3 [ 74.420004] [<c034c830>] init_ipmi_si+0x3f7/0x829 [ 74.430196] [<c06725bc>] init+0x144/0x26c [ 74.439611] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 74.450184] ======================= [ 74.459045] get: c0644890 count after get is 2 [ 74.468796] kobject ipmi_si: registering. parent: <NULL>, set: drivers [ 74.480769] kobject_uevent_env [ 74.489210] fill_kobj_path: path = '/bus/pci/drivers/ipmi_si' [ 74.500675] BUG: at lib/kobject.c:242 kobject_register() [ 74.511779] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 74.522812] [<c01057b2>] show_trace+0x12/0x14 [ 74.533082] [<c0105856>] dump_stack+0x16/0x18 [ 74.543269] [<c02d429f>] kobject_register+0x79/0xb3 [ 74.554015] [<c035a13e>] bus_add_driver+0x77/0x1ae [ 74.564685] [<c035b109>] driver_register+0x54/0x84 [ 74.575363] [<c02e2999>] __pci_register_driver+0x7e/0xb3 [ 74.586595] [<c034c830>] init_ipmi_si+0x3f7/0x829 [ 74.597161] [<c06725bc>] init+0x144/0x26c [ 74.606974] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 74.617989] ======================= [ 74.627292] register: c0644890 count now is 2 error 0 [ 74.638150] BUG: at lib/kobject.c:448 kobject_get() [ 74.648812] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 74.659872] [<c01057b2>] show_trace+0x12/0x14 [ 74.670237] [<c0105856>] dump_stack+0x16/0x18 [ 74.680554] [<c02d3c2b>] kobject_get+0x66/0x87 [ 74.690962] [<c02d434c>] kset_find_obj+0x73/0x77 [ 74.701563] [<c01442c5>] module_add_driver+0x64/0x7d [ 74.712578] [<c035a170>] bus_add_driver+0xa9/0x1ae [ 74.723405] [<c035b109>] driver_register+0x54/0x84 [ 74.734247] [<c02e2999>] __pci_register_driver+0x7e/0xb3 [ 74.745636] [<c034c830>] init_ipmi_si+0x3f7/0x829 [ 74.756393] [<c06725bc>] init+0x144/0x26c [ 74.766429] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 74.777654] ======================= [ 74.787103] get: c18f65c0 count after get is 3 [ 74.797461] BUG: at lib/kobject.c:448 kobject_get() [ 74.808209] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 74.819241] [<c01057b2>] show_trace+0x12/0x14 [ 74.829427] [<c0105856>] dump_stack+0x16/0x18 [ 74.839446] [<c02d3c2b>] kobject_get+0x66/0x87 [ 74.849465] [<c01b4812>] sysfs_create_link+0xd3/0x151 [ 74.860178] [<c0144285>] module_add_driver+0x24/0x7d [ 74.870866] [<c035a170>] bus_add_driver+0xa9/0x1ae [ 74.881370] [<c035b109>] driver_register+0x54/0x84 [ 74.891850] [<c02e2999>] __pci_register_driver+0x7e/0xb3 [ 74.902918] [<c034c830>] init_ipmi_si+0x3f7/0x829 [ 74.913354] [<c06725bc>] init+0x144/0x26c [ 74.923019] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 74.933904] ======================= [ 74.943042] get: c18f65c0 count after get is 4 [ 74.953046] BUG: at lib/kobject.c:448 kobject_get() [ 74.963497] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 74.974262] [<c01057b2>] show_trace+0x12/0x14 [ 74.984220] [<c0105856>] dump_stack+0x16/0x18 [ 74.994120] [<c02d3c2b>] kobject_get+0x66/0x87 [ 75.004167] [<c02d3f4a>] kobject_shadow_add+0x3c/0x1e8 [ 75.014941] [<c02d4100>] kobject_add+0xa/0xc [ 75.024787] [<c02d4248>] kobject_register+0x22/0xb3 [ 75.035216] [<c02d4431>] kobject_add_dir+0x4f/0x6e [ 75.045511] [<c01442d9>] module_add_driver+0x78/0x7d [ 75.055991] [<c035a170>] bus_add_driver+0xa9/0x1ae [ 75.066262] [<c035b109>] driver_register+0x54/0x84 [ 75.076489] [<c02e2999>] __pci_register_driver+0x7e/0xb3 [ 75.087297] [<c034c830>] init_ipmi_si+0x3f7/0x829 [ 75.097483] [<c06725bc>] init+0x144/0x26c [ 75.106862] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 75.117454] ======================= [ 75.126306] get: c18f65c0 count after get is 5 [ 75.136022] kobject drivers: registering. parent: ipmi_si, set: <NULL> [ 75.148068] kobject_uevent_env [ 75.156609] kobject filter function caused the event to drop! [ 75.168050] BUG: at lib/kobject.c:448 kobject_get() [ 75.178631] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 75.189595] [<c01057b2>] show_trace+0x12/0x14 [ 75.199789] [<c0105856>] dump_stack+0x16/0x18 [ 75.209905] [<c02d3c2b>] kobject_get+0x66/0x87 [ 75.220072] [<c01b4812>] sysfs_create_link+0xd3/0x151 [ 75.230853] [<c01442a5>] module_add_driver+0x44/0x7d [ 75.241531] [<c035a170>] bus_add_driver+0xa9/0x1ae [ 75.252030] [<c035b109>] driver_register+0x54/0x84 [ 75.262455] [<c02e2999>] __pci_register_driver+0x7e/0xb3 [ 75.273444] [<c034c830>] init_ipmi_si+0x3f7/0x829 [ 75.283813] [<c06725bc>] init+0x144/0x26c [ 75.293382] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 75.304189] ======================= [ 75.313370] get: c0644890 count after get is 3 [ 75.323512] BUG: at lib/kobject.c:448 kobject_get() [ 75.334155] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 75.345215] [<c01057b2>] show_trace+0x12/0x14 [ 75.355547] [<c0105856>] dump_stack+0x16/0x18 [ 75.365827] [<c02d3c2b>] kobject_get+0x66/0x87 [ 75.376185] [<c035b157>] get_driver+0x11/0x18 [ 75.386420] [<c035b194>] driver_create_file+0xf/0x32 [ 75.397291] [<c035a221>] bus_add_driver+0x15a/0x1ae [ 75.408056] [<c035b109>] driver_register+0x54/0x84 [ 75.418682] [<c02e2999>] __pci_register_driver+0x7e/0xb3 [ 75.429904] [<c034c830>] init_ipmi_si+0x3f7/0x829 [ 75.440480] [<c06725bc>] init+0x144/0x26c [ 75.450257] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 75.461238] ======================= [ 75.470402] get: c0644890 count after get is 4 [ 75.480404] BUG: at lib/kobject.c:494 kobject_put() [ 75.490866] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 75.501613] [<c01057b2>] show_trace+0x12/0x14 [ 75.511530] [<c0105856>] dump_stack+0x16/0x18 [ 75.521420] [<c02d3ae7>] kobject_put+0x69/0x82 [ 75.531449] [<c035b144>] put_driver+0xb/0xd [ 75.541209] [<c035b1b0>] driver_create_file+0x2b/0x32 [ 75.551845] [<c035a221>] bus_add_driver+0x15a/0x1ae [ 75.562324] [<c035b109>] driver_register+0x54/0x84 [ 75.572682] [<c02e2999>] __pci_register_driver+0x7e/0xb3 [ 75.583628] [<c034c830>] init_ipmi_si+0x3f7/0x829 [ 75.593942] [<c06725bc>] init+0x144/0x26c [ 75.603469] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 75.614233] ======================= [ 75.623258] put: c0644890 count before put is 4 [ 75.633227] BUG: at lib/kobject.c:448 kobject_get() [ 75.643575] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 75.654272] [<c01057b2>] show_trace+0x12/0x14 [ 75.664153] [<c0105856>] dump_stack+0x16/0x18 [ 75.673991] [<c02d3c2b>] kobject_get+0x66/0x87 [ 75.683977] [<c035b157>] get_driver+0x11/0x18 [ 75.693884] [<c035b194>] driver_create_file+0xf/0x32 [ 75.704423] [<c035a233>] bus_add_driver+0x16c/0x1ae [ 75.714893] [<c035b109>] driver_register+0x54/0x84 [ 75.725245] [<c02e2999>] __pci_register_driver+0x7e/0xb3 [ 75.736189] [<c034c830>] init_ipmi_si+0x3f7/0x829 [ 75.746496] [<c06725bc>] init+0x144/0x26c [ 75.756023] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 75.766778] ======================= [ 75.775786] get: c0644890 count after get is 4 [ 75.785652] BUG: at lib/kobject.c:494 kobject_put() [ 75.795990] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 75.806687] [<c01057b2>] show_trace+0x12/0x14 [ 75.816577] [<c0105856>] dump_stack+0x16/0x18 [ 75.826416] [<c02d3ae7>] kobject_put+0x69/0x82 [ 75.836390] [<c035b144>] put_driver+0xb/0xd [ 75.846107] [<c035b1b0>] driver_create_file+0x2b/0x32 [ 75.856744] [<c035a233>] bus_add_driver+0x16c/0x1ae [ 75.867222] [<c035b109>] driver_register+0x54/0x84 [ 75.877589] [<c02e2999>] __pci_register_driver+0x7e/0xb3 [ 75.888545] [<c034c830>] init_ipmi_si+0x3f7/0x829 [ 75.898868] [<c06725bc>] init+0x144/0x26c [ 75.908412] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 75.919193] ======================= [ 75.928228] put: c0644890 count before put is 4 [ 75.949537] ipmi_si: pci_unregister_driver() [ 75.959258] bus pci: remove driver ipmi_si [ 75.968766] BUG: at lib/kobject.c:448 kobject_get() [ 75.979081] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 75.989802] [<c01057b2>] show_trace+0x12/0x14 [ 75.999832] [<c0105856>] dump_stack+0x16/0x18 [ 76.009799] [<c02d3c2b>] kobject_get+0x66/0x87 [ 76.019863] [<c035b157>] get_driver+0x11/0x18 [ 76.029822] [<c035b16c>] driver_remove_file+0xe/0x27 [ 76.040389] [<c035a019>] bus_remove_driver+0x3a/0xa4 [ 76.050989] [<c035b0a8>] driver_unregister+0xb/0x18 [ 76.061432] [<c02e282c>] pci_unregister_driver+0x13/0x73 [ 76.072312] [<c034cc34>] init_ipmi_si+0x7fb/0x829 [ 76.082589] [<c06725bc>] init+0x144/0x26c [ 76.092090] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 76.102742] ======================= [ 76.111690] get: c0644890 count after get is 4 [ 76.121537] BUG: at lib/kobject.c:494 kobject_put() [ 76.131808] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 76.142477] [<c01057b2>] show_trace+0x12/0x14 [ 76.152463] [<c0105856>] dump_stack+0x16/0x18 [ 76.162397] [<c02d3ae7>] kobject_put+0x69/0x82 [ 76.172408] [<c035b144>] put_driver+0xb/0xd [ 76.182134] [<c035b181>] driver_remove_file+0x23/0x27 [ 76.192759] [<c035a019>] bus_remove_driver+0x3a/0xa4 [ 76.203309] [<c035b0a8>] driver_unregister+0xb/0x18 [ 76.213726] [<c02e282c>] pci_unregister_driver+0x13/0x73 [ 76.224578] [<c034cc34>] init_ipmi_si+0x7fb/0x829 [ 76.234840] [<c06725bc>] init+0x144/0x26c [ 76.244316] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 76.254951] ======================= [ 76.263853] put: c0644890 count before put is 4 [ 76.273754] BUG: at lib/kobject.c:448 kobject_get() [ 76.284057] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 76.294677] [<c01057b2>] show_trace+0x12/0x14 [ 76.304462] [<c0105856>] dump_stack+0x16/0x18 [ 76.314213] [<c02d3c2b>] kobject_get+0x66/0x87 [ 76.324122] [<c035b157>] get_driver+0x11/0x18 [ 76.333942] [<c035b16c>] driver_remove_file+0xe/0x27 [ 76.344405] [<c035a025>] bus_remove_driver+0x46/0xa4 [ 76.354882] [<c035b0a8>] driver_unregister+0xb/0x18 [ 76.365243] [<c02e282c>] pci_unregister_driver+0x13/0x73 [ 76.376110] [<c034cc34>] init_ipmi_si+0x7fb/0x829 [ 76.386356] [<c06725bc>] init+0x144/0x26c [ 76.395830] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 76.406544] ======================= [ 76.415524] get: c0644890 count after get is 4 [ 76.425362] BUG: at lib/kobject.c:494 kobject_put() [ 76.435659] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 76.446287] [<c01057b2>] show_trace+0x12/0x14 [ 76.456107] [<c0105856>] dump_stack+0x16/0x18 [ 76.465876] [<c02d3ae7>] kobject_put+0x69/0x82 [ 76.475800] [<c035b144>] put_driver+0xb/0xd [ 76.485457] [<c035b181>] driver_remove_file+0x23/0x27 [ 76.496030] [<c035a025>] bus_remove_driver+0x46/0xa4 [ 76.506536] [<c035b0a8>] driver_unregister+0xb/0x18 [ 76.516911] [<c02e282c>] pci_unregister_driver+0x13/0x73 [ 76.527772] [<c034cc34>] init_ipmi_si+0x7fb/0x829 [ 76.538017] [<c06725bc>] init+0x144/0x26c [ 76.547492] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 76.558194] ======================= [ 76.567160] put: c0644890 count before put is 4 [ 76.577094] BUG: at lib/kobject.c:494 kobject_put() [ 76.587399] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 76.598051] [<c01057b2>] show_trace+0x12/0x14 [ 76.607880] [<c0105856>] dump_stack+0x16/0x18 [ 76.617676] [<c02d3ae7>] kobject_put+0x69/0x82 [ 76.627617] [<c01b27a3>] sysfs_hash_and_remove+0x116/0x11f [ 76.638712] [<c01b473d>] sysfs_remove_link+0xb/0xd [ 76.649096] [<c0144151>] module_remove_driver+0x18/0x57 [ 76.659972] [<c035a06b>] bus_remove_driver+0x8c/0xa4 [ 76.670600] [<c035b0a8>] driver_unregister+0xb/0x18 [ 76.681138] [<c02e282c>] pci_unregister_driver+0x13/0x73 [ 76.692128] [<c034cc34>] init_ipmi_si+0x7fb/0x829 [ 76.702470] [<c06725bc>] init+0x144/0x26c [ 76.712092] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 76.722899] ======================= [ 76.731916] put: c18f65c0 count before put is 5 [ 76.741944] kobject ipmi_si: unregistering [ 76.751496] kobject_uevent_env [ 76.759873] fill_kobj_path: path = '/bus/pci/drivers/ipmi_si' [ 76.771235] BUG: at lib/kobject.c:494 kobject_put() [ 76.781811] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 76.792782] [<c01057b2>] show_trace+0x12/0x14 [ 76.803009] [<c0105856>] dump_stack+0x16/0x18 [ 76.813168] [<c02d3ae7>] kobject_put+0x69/0x82 [ 76.823379] [<c02d3bc2>] unlink+0x3b/0x3e [ 76.833121] [<c02d3caf>] kobject_del+0x16/0x19 [ 76.843272] [<c02d3ce6>] kobject_unregister+0x34/0xa1 [ 76.854002] [<c035a073>] bus_remove_driver+0x94/0xa4 [ 76.864671] [<c035b0a8>] driver_unregister+0xb/0x18 [ 76.875185] [<c02e282c>] pci_unregister_driver+0x13/0x73 [ 76.886124] [<c034cc34>] init_ipmi_si+0x7fb/0x829 [ 76.896439] [<c06725bc>] init+0x144/0x26c [ 76.905974] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 76.916676] ======================= [ 76.925694] put: c0644890 count before put is 3 [ 76.935799] BUG: at lib/kobject.c:430 kobject_unregister() [ 76.946990] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 76.957893] [<c01057b2>] show_trace+0x12/0x14 [ 76.968033] [<c0105856>] dump_stack+0x16/0x18 [ 76.978063] [<c02d3d3a>] kobject_unregister+0x88/0xa1 [ 76.988811] [<c035a073>] bus_remove_driver+0x94/0xa4 [ 76.999498] [<c035b0a8>] driver_unregister+0xb/0x18 [ 77.010064] [<c02e282c>] pci_unregister_driver+0x13/0x73 [ 77.021089] [<c034cc34>] init_ipmi_si+0x7fb/0x829 [ 77.031524] [<c06725bc>] init+0x144/0x26c [ 77.041179] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 77.051980] ======================= [ 77.061057] unregister: c0644890 count before put is 2 [ 77.071811] BUG: at lib/kobject.c:494 kobject_put() [ 77.082360] [<c0105086>] show_trace_log_lvl+0x1a/0x30 [ 77.093203] [<c01057b2>] show_trace+0x12/0x14 [ 77.103189] [<c0105856>] dump_stack+0x16/0x18 [ 77.113053] [<c02d3ae7>] kobject_put+0x69/0x82 [ 77.123022] [<c02d3d09>] kobject_unregister+0x57/0xa1 [ 77.133655] [<c035a073>] bus_remove_driver+0x94/0xa4 [ 77.144247] [<c035b0a8>] driver_unregister+0xb/0x18 [ 77.154753] [<c02e282c>] pci_unregister_driver+0x13/0x73 [ 77.165770] [<c034cc34>] init_ipmi_si+0x7fb/0x829 [ 77.176205] [<c06725bc>] init+0x144/0x26c [ 77.185880] [<c0104cfb>] kernel_thread_helper+0x7/0x1c [ 77.196791] ======================= [ 77.205972] put: c0644890 count before put is 2 - 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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