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[Bug 1767146] Re: No ACPI-table found, option -M 1.6 not found either
From: |
Launchpad Bug Tracker |
Subject: |
[Bug 1767146] Re: No ACPI-table found, option -M 1.6 not found either |
Date: |
Sun, 10 Jan 2021 04:17:36 -0000 |
[Expired for QEMU because there has been no activity for 60 days.]
** Changed in: qemu
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1767146
Title:
No ACPI-table found, option -M 1.6 not found either
Status in QEMU:
Expired
Bug description:
Currently writing a small kernel, when trying to detect memory blocks
that contain ACPI information, no such block is found. When ran in
Oracle Virtualbox, code runs flawlessly.
Code that is detecting the ACPI-Info (with a bit of debug-output):
```
multiboot_memory_map32_t* map = (multiboot_memory_map32_t*)mmap;
for (uint32_t i = 0; i < size; i++) {
Termutils::cout << map[i].type << "type of block ";
if (mmap[i].type == MULTIBOOT_MEMORY_ACPI_RECLAIMABLE) {
Termutils::cout << "WE ARE INSIDE\n";
fadt = (FADT*)(map[i].base_addr_low);
}
if (i % 9 == 0) {
Termutils::cout << "\n";
}
}
```
command qemu is run with:
qemu-img create build/objects/test 500M
qemu-system-i386 -hda $(APP_DIR)/clinl.iso -hdb ./build/objects/test
The iso-image is (zipped) included as attachment.
qemu-system-i386 --version:
QEMU emulator version 2.10.1(qemu-2.10.1-3.fc27)
Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers
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