<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [CI][SHARDS] igt@runner@aborted - fail - general protection fault: 0000 [#1] PREEMPT SMP NOPTI, Workqueue: events azx_probe_work" href="https://bugs.freedesktop.org/show_bug.cgi?id=110382#c7">Comment # 7</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [CI][SHARDS] igt@runner@aborted - fail - general protection fault: 0000 [#1] PREEMPT SMP NOPTI, Workqueue: events azx_probe_work" href="https://bugs.freedesktop.org/show_bug.cgi?id=110382">bug 110382</a> from <a class="email" href="mailto:amadeuszx.slawinski@linux.intel.com" title="Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>"> Amadeusz Sławiński</a> <pre>Created <a href="attachment.cgi?id=144186" name="attach_144186" title="boot2.log">attachment 144186</a> <a href="attachment.cgi?id=144186&action=edit" title="boot2.log">[details]</a> boot2.log >From boot2.log, seems like problem with sysfs <3>[ 11.881334] BUG: sleeping function called from invalid context at kernel/sched/completion.c:99 <3>[ 11.882350] ============================================================================= <3>[ 11.882566] in_atomic(): 0, irqs_disabled(): 0, pid: 190, name: kworker/4:3 <3>[ 11.883476] BUG kmalloc-32 (Tainted: G D ): Poison overwritten <3>[ 11.883477] ----------------------------------------------------------------------------- <3>[ 11.883478] INFO: 0x00000000c581b909-0x00000000cf17bda8. First byte 0xe8 instead of 0x6b <3>[ 11.883484] INFO: Allocated in widget_tree_create+0x21/0x110 [snd_hda_core] age=55 cpu=4 pid=190 <3>[ 11.883486] kmem_cache_alloc_trace+0x225/0x290 <3>[ 11.883489] widget_tree_create+0x21/0x110 [snd_hda_core] <3>[ 11.883491] hda_widget_sysfs_init+0x1a/0x40 [snd_hda_core] <3>[ 11.883493] snd_hdac_device_register+0x19/0x40 [snd_hda_core] <3>[ 11.883496] snd_hda_codec_configure+0x39/0x160 [snd_hda_codec] <3>[ 11.883499] azx_codec_configure+0x2a/0x60 [snd_hda_codec] <3>[ 11.883501] azx_probe_work+0x42e/0x7e0 [snd_hda_intel] <3>[ 11.883503] process_one_work+0x245/0x610 <3>[ 11.883504] worker_thread+0x37/0x380 <3>[ 11.883505] kthread+0x119/0x130 <3>[ 11.883508] ret_from_fork+0x24/0x50 <3>[ 11.883510] INFO: Freed in hda_widget_sysfs_reinit+0x18c/0x210 [snd_hda_core] age=48 cpu=2 pid=348 <3>[ 11.883513] snd_hdac_refresh_widgets+0x85/0xc0 [snd_hda_core] <3>[ 11.883516] snd_hda_codec_update_widgets+0xe/0x50 [snd_hda_codec] <3>[ 11.883518] intel_hsw_common_init+0x59/0xc0 [snd_hda_codec_hdmi] <3>[ 11.883520] hda_codec_driver_probe+0x88/0x150 [snd_hda_codec] <3>[ 11.883522] really_probe+0xf3/0x3e0 <3>[ 11.883523] driver_probe_device+0x10a/0x120 <3>[ 11.883524] device_driver_attach+0x4b/0x50 <3>[ 11.883524] __driver_attach+0x97/0x130 <3>[ 11.883527] bus_for_each_dev+0x74/0xc0 <3>[ 11.883528] bus_add_driver+0x13f/0x210 <3>[ 11.883529] driver_register+0x56/0xe0 <3>[ 11.883530] do_one_initcall+0x58/0x2e0 <3>[ 11.883532] do_init_module+0x56/0x1ea <3>[ 11.883533] load_module+0x2701/0x29e0 <3>[ 11.883534] __se_sys_finit_module+0xd3/0xf0 <3>[ 11.883534] do_syscall_64+0x55/0x190 <3>[ 11.883536] INFO: Slab 0x00000000043b2366 objects=22 used=22 fp=0x (null) flags=0x8000000000010200 <3>[ 11.883536] INFO: Object 0x000000000c2cf882 @offset=1112 fp=0x00000000b006c361 <3>[ 11.883538] Redzone 00000000f96d092c: bb bb bb bb bb bb bb bb ........ <3>[ 11.883539] Object 000000000c2cf882: 6b 6b 6b 6b 6b 6b 6b 6b e8 d5 db 99 84 88 ff ff kkkkkkkk........ <3>[ 11.883539] Object 00000000d4d94bbe: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 kkkkkkkkkkkkkkk. <3>[ 11.883540] Redzone 00000000be7a46be: bb bb bb bb bb bb bb bb ........ <3>[ 11.883541] Padding 00000000a84a9f5a: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ This looks like race between widget_tree_create() and hda_widget_sysfs_reinit(): looks like hda_widget_sysfs_reinit() freed codec->widgets structure while widget_tree_create() still operated on it.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>