Date: Fri, 23 May 2025 16:04:49 +0000 From: bugzilla-noreply@freebsd.org To: virtualization@FreeBSD.org Subject: [Bug 286893] Cold boot panic (as virtual machine under VirtualBox v7.1.6/MS Windows 10): sleeping thread holds Giant Message-ID: <bug-286893-27103-6hv8hZbzbK@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-286893-27103@https.bugs.freebsd.org/bugzilla/> References: <bug-286893-27103@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=286893 Mark Johnston <markj@FreeBSD.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|New |Open CC| |markj@FreeBSD.org --- Comment #1 from Mark Johnston <markj@FreeBSD.org> --- A witness warning from the dmesg immediately before the panic: 1064 [33] Sleeping thread (tid 100180, pid 12566) owns a non-sleepable lock 1065 [33] KDB: stack backtrace of thread 100180: 1066 [33] #0 0xffffffff80b4addb at mi_switch+0xbb 1067 [33] #1 0xffffffff80b9b766 at sleepq_catch_signals+0x2c6 1068 [33] #2 0xffffffff80b9b489 at sleepq_wait_sig+0x9 1069 [33] #3 0xffffffff82e4467a at rtR0SemEventMultiBsdWait+0x29a 1070 [33] #4 0xffffffff82e24236 at vgdrvHgcmAsyncWaitCallbackWorker+0xe6 1071 [33] #5 0xffffffff82e260be at VbglR0HGCMInternalCall+0x82e 1072 [33] #6 0xffffffff82e22d45 at vgdrvIoCtl_HGCMCallWrapper+0x1b5 1073 [33] #7 0xffffffff82e20b2d at VGDrvCommonProcessOptionsFromHost+0x2dd 1074 [33] #8 0xffffffff82e24cec at vgdrvFreeBSDAttach+0x1dc 1075 [33] #9 0xffffffff80b7a75b at device_attach+0x42b 1076 [33] #10 0xffffffff808183f2 at pci_driver_added+0xf2 1077 [33] #11 0xffffffff80b77d59 at devclass_driver_added+0x29 1078 [33] #12 0xffffffff80b77cee at devclass_add_driver+0x11e 1079 [33] #13 0xffffffff80b18735 at module_register_init+0x85 1080 [33] #14 0xffffffff80b09291 at linker_load_module+0xba1 1081 [33] #15 0xffffffff80b0adc4 at kern_kldload+0x164 1082 [33] #16 0xffffffff80b0aedc at sys_kldload+0x5c 1083 [33] #17 0xffffffff810262be at amd64_syscall+0x10e 1084 [33] panic: sleeping thread holds Giant 1085 [33] cpuid = 1 1086 [33] time = 1747525052 1087 [33] KDB: stack backtrace: 1088 [33] #0 0xffffffff80b8b88d at kdb_backtrace+0x5d 1089 [33] #1 0xffffffff80b3dc11 at vpanic+0x131 1090 [33] #2 0xffffffff80b3dad3 at panic+0x43 1091 [33] #3 0xffffffff80ba42c5 at propagate_priority+0x2a5 1092 [33] #4 0xffffffff80ba4e01 at turnstile_wait+0x301 1093 [33] #5 0xffffffff80b19a05 at __mtx_lock_sleep+0x175 1094 [33] #6 0xffffffff8093cd5b at usbd_enum_lock+0x5b 1095 [33] #7 0xffffffff80946ded at uhub_explore_handle_re_enumerate+0x1d 1096 [33] #8 0xffffffff80931cc5 at usb_bus_explore+0x65 1097 [33] #9 0xffffffff8094db8e at usb_process+0xfe 1098 [33] #10 0xffffffff80af760f at fork_exit+0x7f 1099 [33] #11 0xffffffff80ffd3ee at fork_trampoline+0xe -- You are receiving this mail because: You are the assignee for the bug.help
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