Date: Sun, 26 Apr 2020 12:15:38 +0000 From: bugzilla-noreply@freebsd.org To: ports-bugs@FreeBSD.org Subject: [Bug 245923] graphics/drm-fbsd12.0-kmod: 12.1-stable crash on loading i915kms.ko Message-ID: <bug-245923-7788@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D245923 Bug ID: 245923 Summary: graphics/drm-fbsd12.0-kmod: 12.1-stable crash on loading i915kms.ko Product: Ports & Packages Version: Latest Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: Individual Port(s) Assignee: x11@FreeBSD.org Reporter: wolfgang@lyxys.ka.sub.org Assignee: x11@FreeBSD.org Flags: maintainer-feedback?(x11@FreeBSD.org) After upgrading 12.1-STABLE from r359345 to r360192, with graphics/drm-kmod= and graphics/drm-fbsd12.0-kmod rebuilt and reinstalled together with the new kernel, the system crashes when loading i915kms.ko. When loading the module via kld_list in /etc/rc.conf at boot, screen goes blank and system stops respon= ding until a power cycle. If booting without loading the module and loading it w= ith kldload manually, the screen goes blank and reboots after some time. In the latter case a crashdump is found at the next boot. Hardware is an Acer C720 Chromebook, using a Celeron 2955U. The graphics controller shows in pciconf -lv as "Haswell-ULT Integrated Graphics Controller". Kernel config is based on GENERIC, but with options WITNESS and WITNESS_SKIPSPIN added. I don't know much about debugging kernel dumps, but if someone tells me how= to do it I'm ready to try getting data out of the existing dump. --=20 You are receiving this mail because: You are the assignee for the bug.=
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