Date: Fri, 24 Jul 2020 19:44:01 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 248250] Witness Warning: 'Exclusive Sleep Mutex vtdev locked' warning on arm64 (RPi4b) Message-ID: <bug-248250-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D248250 Bug ID: 248250 Summary: Witness Warning: 'Exclusive Sleep Mutex vtdev locked' warning on arm64 (RPi4b) Product: Base System Version: CURRENT Hardware: arm64 OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: gbe@FreeBSD.org While booting the RPi4b I get the following warning: uma_zalloc_debug: zone "kenv" with the following non-sleepable locks held: exclusive sleep mutex vtdev (vtdev) r =3D 0 (0xffff0000009b4280) locked @ /tank/nfs_public/tiny/src/sys/dev/vt/vt_core.c:2818 stack backtrace: #0 0xffff00000048f2d8 at witness_debugger+0x64 #1 0xffff0000004902e8 at witness_warn+0x3f0 #2 0xffff000000690620 at uma_zalloc_debug+0x2c #3 0xffff000000690088 at uma_zalloc_arg+0x2c #4 0xffff0000003d3498 at getenv_string_buffer+0x40 #5 0xffff0000003d3bb4 at getenv_quad+0x14 #6 0xffff0000003d3b84 at getenv_int+0x14 #7 0xffff0000002d40a4 at vt_fb_init+0xbc #8 0xffff0000002d8f50 at vt_replace_backend+0x10c #9 0xffff0000002d41dc at vt_fb_attach+0x14 #10 0xffff00000019de28 at fbd_register+0xec #11 0xffff00000045c850 at device_attach+0x400 #12 0xffff00000045c3b8 at device_probe_and_attach+0x7c #13 0xffff0000006eefa8 at bcm_fb_attach+0x280 #14 0xffff00000045c850 at device_attach+0x400 #15 0xffff00000045c3b8 at device_probe_and_attach+0x7c #16 0xffff00000045e59c at bus_generic_new_pass+0xf8 #17 0xffff00000045e54c at bus_generic_new_pass+0xa8 fb0: 1824x984(1824x984@0,0) 32bpp --=20 You are receiving this mail because: You are the assignee for the bug.=
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