Date: Tue, 10 Dec 2024 16:02:31 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 267028] kernel panics when booting with both (zfs,ko or vboxnetflt,ko or acpi_wmi.ko) and amdgpu.ko Message-ID: <bug-267028-227-TjxpGTAPAe@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-267028-227@https.bugs.freebsd.org/bugzilla/> References: <bug-267028-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D267028 --- Comment #193 from Mark Millard <marklmi26-fbsd@yahoo.com> --- (In reply to George Mitchell from comment #192) Viewed at actual size or zoomed in on an iPad I was able to read some of the text in: https://www.m5p.com/public/george/267028/IMG_20241210_093239744_HDR.jpg . . . vgapci0: child drmn0 requested pci_get_powerstate sysctl_warn_reuse: can't re-use a leaf (hw.dri.debug)! <6>[drm] Initialized amdgpu 3.40.0 20150101 for drmn0 on minor 0 It panicked here instead of getting to the point of showing what would normally be next: "Autoloading module: acpi_wmi" However, the <6> is also not normal and may well be sigificant. The panic was something like: Fatal trap 9: general protection fault while in kernel mode cpuid =3D 1: apic id =3D 01 instruction pointer =3D 0x20:0xffffffff00cf0110 . . . current process =3D 25 (kldload) trap number =3D 9 (I doubt that I could tell c vs. e or 0 vs. 8 .) In the presence of the panic context I do not expect the drm_modeset locking is able to operate correctly. In other words: I expect that the !drm_modeset_is_locked notices are expected, given the Fatal trap 9 and its being handling in the kernel. That in turn messes things up even more for later --or so I guess. I expect that the later trap 22 (in the other picture) is from the lack of handling during the attempt to present the trap 9 information. The other picture's backtrace suggests for the instruction pointer reported above (general range of upper address bits): instruction pointer =3D 0x2?:0xffffffff80?f?11? where the "?"'s are about the 0 vs. 8 and c vs. e question. --=20 You are receiving this mail because: You are the assignee for the bug.=
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