Date: Sun, 04 Jul 2021 14:13:41 -0700 From: Neel Chauhan <nc@FreeBSD.org> To: current@freebsd.org Cc: ambrisko@freebsd.org, imp@freebsd.org Subject: CURRENT- and vmd(8): Panic upon bootup with recent HEAD Message-ID: <2f2e698e79728b59753750134429757f@FreeBSD.org>
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Hi freebsd-current@ (CC'd ambrisko@ and imp@), Right now, with a laptop (HP Spectre x360 13t-aw200) which needs the vmd(8) driver for NVMe, I am getting kernel panics upon bootup with a recent kernel. Here's a screenshot of the panic: https://bz-attachments.freebsd.org/attachment.cgi?id=226185 (blurry since I took it on the plane) The bug is here: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256915 If I use an older kernel (which I'm doing for now), it works fine. If I use the memstick USB, it crashes with the same panic. I initially thought it was commit ddfc9c4c59e2ea4871100d8c076adffe3af8ff21, but even when I reverted to one before the said commit, it still panicked with the same error. I don't see any changes to vmd(8), so changes to some other PC subsystem (PCI/ACPI/x86/NVMe/etc.) after commit ab6d05336caaa10ae315f81534851e3764a8660c (current kernel commit) must have caused the error. -Neel (nc@)
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