Date: Tue, 27 Feb 2024 23:56:20 +0530 From: Himanshu Chauhan <himanshu@thechauhan.dev> To: Mitchell Horne <mhorne@freebsd.org> Cc: freebsd-riscv@freebsd.org Subject: Re: Unable to boot custom kernel Message-ID: <D1B0B5A8-5194-47C7-B340-08F601137691@thechauhan.dev> In-Reply-To: <3f4d8075-4372-46dd-9ce6-ca925c799857@freebsd.org> References: <632BA64E-2BF6-46F4-9375-C74E534A8F40@thechauhan.dev> <3f4d8075-4372-46dd-9ce6-ca925c799857@freebsd.org>
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> On 27-Feb-2024, at 11:42=E2=80=AFPM, Mitchell Horne =
<mhorne@freebsd.org> wrote:
>=20
> Can you share the commandline you are using to launch QEMU?
>=20
> Mitchell
>=20
> On 2/27/24 13:37, Himanshu Chauhan wrote:
>> Hi Everyone,
>> I am unable to boot my custom kernel from commit ID =
04440331b57(Feb22). Qemu throws the following error and exits:
>> qemu-system-riscv64: Some ROM regions are overlapping
>> These ROM regions might have been loaded by direct user request or by =
default.
>> They could be BIOS/firmware images, a guest kernel, initrd or some =
other file loaded into guest memory.
>> Check whether you intended to load all this guest code, and whether =
it has been built to load to the correct addresses.
>> The following two regions overlap (in the memory address space):
>> <MY_BUILD_PATH>/riscv.riscv64/sys/GENERIC/kernel ELF program header =
segment 1 (addresses 0x0000000080200000 - 0x00000000807e0226)
>> fdt (addresses 0x0000000080200000 - 0x0000000080201346)
>> I have tried with packaged Qemu as well as the latest one compiled =
from source code.
>> Any one else faced or facing this problem?
>> Thanks
>> Regards
>> Himanshu
>=20
qemu-system-riscv64 \
-machine virt \
-m 2048M \
-smp 2 \
-nographic \
-bios <path/to/opensbi> \
-kernel <path/to/freebsd/kernel> \
-append "vfs.root.mountfrom=3Dufs:/dev/vtbd0" \
-drive riscv.img,format=3Draw,id=3Dhd0 \
-device virtio-blk-device,drive=3Dhd0
I have always been following instruction from: =
https://wiki.freebsd.org/riscv
It used to work fine earlier.
Regards
Himanshu=
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