Date: Thu, 23 Mar 2023 07:20:26 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-arm@FreeBSD.org Subject: [Bug 270415] ram0 pseudo-driver breaks ARM64 on Hyper-V on CURRENT Message-ID: <bug-270415-7@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D270415 Bug ID: 270415 Summary: ram0 pseudo-driver breaks ARM64 on Hyper-V on CURRENT Product: Base System Version: CURRENT Hardware: arm64 OS: Any Status: New Severity: Affects Some People Priority: --- Component: arm Assignee: freebsd-arm@FreeBSD.org Reporter: weh@microsoft.com The patch physmem: add ram0 pseudo-driver (commit e6cf1a0826c9d7f229e41224ec7b783501636528) causes panic when booting arm64 FreeBSD on Hyper-V. Panic stack looks like Booting [/boot/kernel/kernel]...=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |No valid device tree blob found! WARNING! Trying to fire up the kernel, but no device tree blob found! EFI framebuffer information: addr, size=C2=A0=C2=A0=C2=A0=C2=A0 0x40000000, 0x800000 dimensions=C2=A0=C2=A0=C2=A0=C2=A0 1024 x 768 stride=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 1024 masks=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 0x00ff0000, 0x0= 000ff00, 0x000000ff, 0xff000000 ---<<BOOT>>--- GDB: no debug ports present KDB: debugger backends: ddb KDB: current backend: ddb Copyright (c) 1992-2023 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 =C2=A0=C2=A0=C2=A0 The Regents of the University of California. All rights = reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 14.0-CURRENT #13 main-n260755-e6cf1a0826c9-dirty: Mon Mar=C2=A0 6 1= 0:21:42 UTC 2023 =C2=A0=C2=A0=C2=A0 root@fbsd13-nvme-test:/data/ws/obj/data/ws/main/arm64.aa= rch64/sys/GENERIC arm64 FreeBSD clang version 15.0.7 (https://github.com/llvm/llvm-project.git llvmorg-15.0.7-0-g8dfdcc7b7bf6) WARNING: WITNESS option enabled, expect reduced performance. SRAT: Ignoring memory at addr 0x1c0000000 SRAT: Ignoring memory at addr 0x1000000000 SRAT: Ignoring memory at addr 0x10000000000 SRAT: Ignoring memory at addr 0x20000000000 SRAT: Ignoring memory at addr 0x40000000000 SRAT: Ignoring memory at addr 0x80000000000 SRAT: Ignoring memory at addr 0x100000000000 SRAT: Ignoring memory at addr 0x200000000000 SRAT: Ignoring memory at addr 0x400000000000 SRAT: Ignoring memory at addr 0x800000000000 VT(efifb): resolution 1024x768 module scmi already present! module firmware already present! real memory=C2=A0 =3D 4294799360 (4095 MB) avail memory =3D 4155047936 (3962 MB) Starting CPU 1 (1) FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs arc4random: WARNING: initial seeding bypassed the cryptographic random devi= ce because it was not yet seeded and the knob 'bypass_before_seeding' was enab= led. random: entropy device external interface MAP 3ec84000 mode 2 pages 41 MAP 3fd2d000 mode 2 pages 48 MAP 3fd5d000 mode 2 pages 36 MAP effed000 mode 0 pages 1 kbd0 at kbdmux0 acpi0: <VRTUAL MICROSFT> acpi0: Could not update all GPEs: AE_NOT_CONFIGURED psci0: <ARM Power State Co-ordination Interface Driver> on acpi0 gic0: <ARM Generic Interrupt Controller v3.0> iomem 0xffff0000-0x10000ffff,0xeffee000-0xf000dfff,0xf000e000-0xf002dfff on acpi0 generic_timer0: <ARM Generic Timer> irq 4,5,6 on acpi0 Timecounter "ARM MPCore Timecounter" frequency 25000000 Hz quality 1000 Event timer "ARM MPCore Eventtimer" frequency 25000000 Hz quality 1000 efirtc0: <EFI Realtime Clock> efirtc0: registered as a time-of-day clock, resolution 1.000000s panic: ram_attach: resource 7 failed to attach cpuid =3D 0 time =3D 1 KDB: stack backtrace: db_trace_self() at db_trace_self db_trace_self_wrapper() at db_trace_self_wrapper+0x30 vpanic() at vpanic+0x13c panic() at panic+0x44 ram_attach() at ram_attach+0x1ac device_attach() at device_attach+0x3f8 device_probe_and_attach() at device_probe_and_attach+0x7c bus_generic_new_pass() at bus_generic_new_pass+0xfc bus_generic_new_pass() at bus_generic_new_pass+0xac bus_set_pass() at bus_set_pass+0x4c mi_startup() at mi_startup+0x1fc virtdone() at virtdone+0x6c KDB: enter: panic [ thread pid 0 tid 100000 ] Stopped at=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 kdb_enter+0x44: undefined=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0 f906c27f db> --=20 You are receiving this mail because: You are the assignee for the bug.=
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