boot stops after console handover?

[Antoine Martin <antoine-pzR7fkEi+fEqdlJmJB21zg@public.gmane.org>]

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Hi,

Trying to boot KVM on a Core2Duo system, kvm-59 + linux-2.6.23.12
Booting with:
qemu-system-x86_64 -hda /home/uml/BusyBox-1.5.0-amd64-root_fs -m 384
- -nographic -cpu qemu64 -kernel /boot/vmlinuz-2.6.23.12 -append
"earlyprintk=serial,ttyS0,115200"

Boot stops after:
[    0.509283] time.c: Detected 2393.985 MHz processor.
[    0.600090] Console: colour VGA+ 80x25
[    0.600570] console handover: boot [earlyser0] -> real [tty0]

It sits there using 100% CPU until I kill it.

If I add "-serial file:serial.log", I get dropped to the qemu shell and
the log file contains the same as above.

Sorry if this has been covered before, couldn't find it.

Cheers
Antoine


Strace of the spinning process:
clock_gettime(CLOCK_MONOTONIC, {6003, 864979716}) = 0
ioctl(4, 0x4008ae61, 0x7fff64780f10)    = 0
ioctl(4, 0x4008ae61, 0x7fff64780f10)    = 0
ioctl(4, 0x4008ae61, 0x7fff64780f10)    = 0
ioctl(4, 0x4008ae61, 0x7fff64780f10)    = 0
clock_gettime(CLOCK_MONOTONIC, {6003, 865075815}) = 0
clock_gettime(CLOCK_MONOTONIC, {6003, 865092971}) = 0
timer_gettime(0, {it_interval={0, 0}, it_value={0, 0}}) = 0
timer_settime(0, 0, {it_interval={0, 0}, it_value={0, 250000}}, NULL) = 0
clock_gettime(CLOCK_MONOTONIC, {6003, 865156093}) = 0
clock_gettime(CLOCK_MONOTONIC, {6003, 865173715}) = 0
clock_gettime(CLOCK_MONOTONIC, {6003, 865192525}) = 0
clock_gettime(CLOCK_MONOTONIC, {6003, 865210519}) = 0
timer_gettime(0, {it_interval={0, 0}, it_value={0, 162334}}) = 0
ioctl(5, 0xae80, 0)                     = -1 EINTR (Interrupted system call)
rt_sigtimedwait([USR2 ALRM IO], {si_signo=SIGALRM, si_code=SI_TIMER,
si_pid=0, si_uid=0, si_value={int=0, ptr=0x7fff00000000}},
0x7fff64781140, 8) = 14
rt_sigaction(SIGALRM, NULL, {0x60006e20, ~[KILL STOP RTMIN RT_1],
SA_RESTORER, 0x2b6546c23ed0}, 8) = 0
rt_sigtimedwait([USR2 ALRM IO], 0x6026ee00) = -1 EAGAIN (Resource
temporarily unavailable)
select(1, [0], [], [], {0, 0})          = 0 (Timeout)
clock_gettime(CLOCK_MONOTONIC, {6003, 874979291}) = 0
ioctl(4, 0x4008ae61, 0x7fff64780f10)    = 0
ioctl(4, 0x4008ae61, 0x7fff64780f10)    = 0
clock_gettime(CLOCK_MONOTONIC, {6003, 875036807}) = 0
clock_gettime(CLOCK_MONOTONIC, {6003, 875054053}) = 0
timer_gettime(0, {it_interval={0, 0}, it_value={0, 0}}) = 0
timer_settime(0, 0, {it_interval={0, 0}, it_value={0, 8781000}}, NULL) = 0
clock_gettime(CLOCK_MONOTONIC, {6003, 875116694}) = 0
clock_gettime(CLOCK_MONOTONIC, {6003, 875134858}) = 0
clock_gettime(CLOCK_MONOTONIC, {6003, 875152025}) = 0
timer_gettime(0, {it_interval={0, 0}, it_value={0, 8712787}}) = 0
timer_settime(0, 0, {it_interval={0, 0}, it_value={0, 8683000}}, NULL) = 0
ioctl(5, 0xae80 <unfinished ...>
(ad-infinitum)


Full boot log below:
# qemu-system-x86_64 -hda /home/uml/BusyBox-1.5.0-amd64-root_fs -m 384
- -nographic -cpu qemu64 -kernel /boot/vmlinuz-2.6.23.12 -append
"earlyprintk=serial,115200"
[    0.000000] Linux version 2.6.23.12 (root@gentoo) (gcc version 4.1.1
(Gentoo 4.1.1-r3)) #2 SMP Fri Jan 4 21:25:37 GMT 2008
[    0.000000] Command line: earlyprintk=serial,115200
[    0.000000] BIOS-provided physical RAM map:
[    0.000000]  BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
[    0.000000]  BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
[    0.000000]  BIOS-e820: 00000000000e8000 - 0000000000100000 (reserved)
[    0.000000]  BIOS-e820: 0000000000100000 - 0000000017ff0000 (usable)
[    0.000000]  BIOS-e820: 0000000017ff0000 - 0000000018000000 (ACPI data)
[    0.000000]  BIOS-e820: 00000000fffbd000 - 0000000100000000 (reserved)
[    0.000000] console [earlyser0] enabled
[    0.000000] end_pfn_map = 1048576
kernel direct mapping tables up to 100000000 @ 8000-d000
[    0.000000] DMI not present or invalid.
[    0.000000] ACPI: RSDP 000FAD00, 0014 (r0 QEMU  )
[    0.000000] ACPI: RSDT 17FF0000, 002C (r1 QEMU   QEMURSDT        1
QEMU        1)
[    0.000000] ACPI: FACP 17FF002C, 0074 (r1 QEMU   QEMUFACP        1
QEMU        1)
[    0.000000] ACPI: DSDT 17FF0100, 0948 (r1   BXPC   BXDSDT        1
INTL 20061109)
[    0.000000] ACPI: FACS 17FF00C0, 0040
[    0.000000] ACPI: APIC 17FF0A48, 0040 (r1 QEMU   QEMUAPIC        1
QEMU        1)
[    0.000000] No mptable found.
[    0.000000] Zone PFN ranges:
[    0.000000]   DMA             0 ->     4096
[    0.000000]   DMA32        4096 ->  1048576
[    0.000000]   Normal    1048576 ->  1048576
[    0.000000] Movable zone start PFN for each node
[    0.000000] early_node_map[2] active PFN ranges
[    0.000000]     0:        0 ->      159
[    0.000000]     0:      256 ->    98288
[    0.000000] ACPI: PM-Timer IO Port: 0xb008
[    0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
[    0.000000] Processor #0 (Bootup-CPU)
[    0.000000] ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0])
[    0.000000] IOAPIC[0]: apic_id 1, address 0xfec00000, GSI 0-23
[    0.000000] Setting APIC routing to flat
[    0.000000] Using ACPI (MADT) for SMP configuration information
[    0.000000] swsusp: Registered nosave memory region: 000000000009f000
- - 00000000000a0000
[    0.000000] swsusp: Registered nosave memory region: 00000000000a0000
- - 00000000000e8000
[    0.000000] swsusp: Registered nosave memory region: 00000000000e8000
- - 0000000000100000
[    0.000000] Allocating PCI resources starting at 20000000 (gap:
18000000:e7fbd000)
[    0.000000] SMP: Allowing 1 CPUs, 0 hotplug CPUs
[    0.000000] PERCPU: Allocating 31336 bytes of per cpu data
[    0.000000] Built 1 zonelists in Zone order.  Total pages: 94849
[    0.000000] Kernel command line: earlyprintk=serial,115200
[    0.000000] Initializing CPU#0
[    0.000000] PID hash table entries: 2048 (order: 11, 16384 bytes)
[    0.496644] time.c: Detected 2393.776 MHz processor.
[    0.587700] Console: colour VGA+ 80x25
[    0.588182] console handover: boot [earlyser0] -> real [tty0]
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