mainline boot failures I: qemu

From: Andi Kleen
Date: Sat Apr 26 2008 - 10:03:23 EST



FYI

I see lots of boot failures on various setups with current mainline
(git8, b1721d0da266b4af8cb4419473b4ca36206ab200). Unfortunately
they are all different.

All with a defconfig kernel. Haven't investigated closely yet:

The only strange thing is that qemu says "Parsing ELF file". I assume
that's related to the new updated bzImage format? Perhaps it is related?

Here's the qemu failure:

xterm -e qemu-system-x86_64 -hda ... -kernel arch/x86/boot/bzImage -append "console=ttyS0 earlyprintk=serial" -m 512 -nographic

...
ACPI: APIC 1FFF0938, 0040 (r0 QEMU QEMUAPIC 1 QEMU 1)
No NUMA configuration found
Faking a node at 0000000000000000-000000001fff0000
Bootmem setup node 0 0000000000000000-000000001fff0000
NODE_DATA [000000000000b000 - 0000000000011fff]
bootmap [0000000000012000 - 0000000000015fff] pages 4
early res: 0 [0-fff] BIOS data page
PANIC: early exception 06 rip 10:ffffffff8083b23e error 0 cr2 0
Pid: 0, comm: swapper Not tainted 2.6.25-git8 #41

Call Trace:
[<ffffffff8082c195>] early_idt_handler+0x55/0x69
[<ffffffff8083b23e>] reserve_bootmem_generic+0x31/0xcc
[<ffffffff80845194>] acpi_table_parse+0x4c/0x66
[<ffffffff80833edb>] early_res_to_bootmem+0x43/0x52
[<ffffffff80832816>] setup_arch+0x306/0x418
[<ffffffff8082caa3>] start_kernel+0x6e/0x309
[<ffffffff8082c3cf>] x86_64_start_kernel+0x1de/0x1e5

RIP 0x10


-Andi
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