[Lguest] Lguest launch hang
Ajit Aluri
acpaluri at gmail.com
Thu Jan 2 04:44:15 EST 2014
Hi,
I am trying to launch lguest on a lguest enabled kernel for Samsung Galaxy
Tab 3. When I launch lguest, the start-up hangs at a certain point
indicated in the log below.
I have attached the .config file I used to build the kernel (3.4.34 with
modifications by Samsung) and also the host kernel start-up log. I have
read that the highmem option has to be set to either 4g or none, but these
settings prevented the host kernel from booting up. I am currently trying
to build lguest with highmem set to 64g. Could someone please let me know
if the hang during the start-up is due this setting mismatch ? (I am trying
to launch lguest with only 128 MB memory, which I think is indicated in the
log below)
Also attached the host kernel's startup log.
Thanks,
-Ajit
----------------------------------------------------------------------------------------------------------------------------
[ 0.000000] C0 [ swapper] Reserving virtual address space above
0xffe00000
[ 0.000000] C0 [ swapper] Initializing cgroup subsys cpuset
[ 0.000000] C0 [ swapper] Initializing cgroup subsys cpu
[ 0.000000] C0 [ swapper] Linux version 3.4.34 (aaluri at cairo)
(gcc version 4.6 20120106 (prerelease) (GCC) ) #1 SMP PREEMPT Fri Dec 27
00:05:48 EST 2013
[ 0.000000] C0 [ swapper] BIOS-provided physical RAM map:
[ 0.000000] C0 [ swapper] LGUEST: 0000000000000000 -
0000000008000000 (usable)
[ 0.000000] C0 [ swapper] Notice: NX (Execute Disable) protection
missing in CPU!
[ 0.000000] C0 [ swapper] DMI not present or invalid.
[ 0.000000] C0 [ swapper] last_pfn = 0x8000 max_arch_pfn =
0x1000000
[ 0.000000] C0 [ swapper] init_memory_mapping:
0000000000000000-0000000008000000
[ 0.000000] C0 [ swapper] 0MB HIGHMEM available.
[ 0.000000] C0 [ swapper] 128MB LOWMEM available.
[ 0.000000] C0 [ swapper] mapped low ram: 0 - 08000000
[ 0.000000] C0 [ swapper] low ram: 0 - 08000000
[ 0.000000] C0 [ swapper] Zone PFN ranges:
[ 0.000000] C0 [ swapper] Normal 0x00000010 -> 0x00008000
[ 0.000000] C0 [ swapper] HighMem empty
[ 0.000000] C0 [ swapper] Movable zone start PFN for each node
[ 0.000000] C0 [ swapper] Early memory PFN ranges
[ 0.000000] C0 [ swapper] 0: 0x00000010 -> 0x000000a0
[ 0.000000] C0 [ swapper] 0: 0x00000100 -> 0x00008000
[ 0.000000] C0 [ swapper] Using APIC driver default
[ 0.000000] C0 [ swapper] SFI: Simple Firmware Interface v0.81
http://simplefirmware.org
[ 0.000000] C0 [ swapper] SMP: Allowing 1 CPUs, 0 hotplug CPUs
[ 0.000000] C0 [ swapper] No local APIC present or hardware
disabled
[ 0.000000] C0 [ swapper] APIC: disable apic facility
[ 0.000000] C0 [ swapper] APIC: switched to apic NOOP
[ 0.000000] C0 [ swapper] Allocating PCI resources starting at
8000000 (gap: 8000000:f8000000)
[ 0.000000] C0 [ swapper] Booting paravirtualized kernel on lguest
[ 0.000000] C0 [ swapper] setup_percpu: NR_CPUS:4
nr_cpumask_bits:4 nr_cpu_ids:1 nr_node_ids:1
[ 0.000000] C0 [ swapper] PERCPU: Embedded 13 pages/cpu @c7eef000
s31296 r0 d21952 u53248
[ 0.000000] C0 [ swapper] Built 1 zonelists in Zone order,
mobility grouping on. Total pages: 32400
[ 0.000000] C0 [ swapper] Kernel command line: root=/dev/vda
init=/init
[ 0.000000] C0 [ swapper] PID hash table entries: 512 (order: -1,
2048 bytes)
[ 0.000000] C0 [ swapper] Dentry cache hash table entries: 16384
(order: 4, 65536 bytes)
[ 0.000000] C0 [ swapper] Inode-cache hash table entries: 8192
(order: 3, 32768 bytes)
[ 0.000000] C0 [ swapper] Initializing CPU#0
[ 0.000000] C0 [ swapper] allocated 262016 bytes of page_cgroup
[ 0.000000] C0 [ swapper] please try 'cgroup_disable=memory'
option if you don't want memory cgroups
[ 0.000000] C0 [ swapper] Initializing HighMem for node 0
(00000000:00000000)
[ 0.000000] C0 [ swapper] Memory: 113724k/131072k available
(6917k kernel code, 16900k reserved, 3603k data, 548k init, 0k highmem)
[ 0.000000] C0 [ swapper] virtual kernel memory layout:
[ 0.000000] C0 [ swapper] fixmap : 0xffd63000 - 0xffdff000
( 624 kB)
[ 0.000000] C0 [ swapper] pkmap : 0xffa00000 - 0xffc00000
(2048 kB)
[ 0.000000] C0 [ swapper] vmalloc : 0xc8800000 - 0xff9fe000
( 881 MB)
[ 0.000000] C0 [ swapper] lowmem : 0xc0000000 - 0xc8000000
( 128 MB)
[ 0.000000] C0 [ swapper] .init : 0xc1a47000 - 0xc1ad0000
( 548 kB)
[ 0.000000] C0 [ swapper] .data : 0xc16c1785 - 0xc1a46740
(3603 kB)
[ 0.000000] C0 [ swapper] .text : 0xc1000000 - 0xc16c1785
(6917 kB)
[ 0.000000] C0 [ swapper] Checking if this processor honours the
WP bit even in supervisor mode...Ok.
[ 0.000000] C0 [ swapper] SLUB: Genslabs=15, HWalign=32,
Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] C0 [ swapper/0] Preemptible hierarchical RCU
implementation.
[ 0.000000] C0 [ swapper/0] Additional per-CPU info printed with
stalls.
[ 0.000000] C0 [ swapper/0] NR_IRQS:2304 nr_irqs:256 16
[ 0.000000] C0 [ swapper/0] Console: colour dummy device 80x25
[ 0.000000] C0 [ swapper/0] console [hvc0] enabled
[ 0.000000] C0 [ swapper/0] register logcat console
[ 0.000000] C0 [ swapper/0] Detected 1597.440 MHz processor.
[ 0.000102] C0 [ swapper/0] Calibrating delay loop (skipped), value
calculated using timer frequency.. 3194.88 BogoMIPS (lpj=15974400)
[ 0.000520] C0 [ swapper/0] pid_max: default: 32768 minimum: 301
[ 0.000946] C0 [ swapper/0] Security Framework initialized
[ 0.001433] C0 [ swapper/0] Mount-cache hash table entries: 512
[ 0.007474] C0 [ swapper/0] Initializing cgroup subsys cpuacct
[ 0.007795] C0 [ swapper/0] Initializing cgroup subsys memory
[ 0.008070] C0 [ swapper/0] Initializing cgroup subsys devices
[ 0.008301] C0 [ swapper/0] Initializing cgroup subsys freezer
[ 0.008538] C0 [ swapper/0] Initializing cgroup subsys blkio
[ 0.008851] C0 [ swapper/0] Initializing cgroup subsys perf_event
[ 0.032032] C0 [ swapper/0] SMP alternatives: switching to UP code
[ 0.495574] C0 [ swapper/0] Freeing SMP alternatives: 24k freed
[ 0.495926] C0 [ swapper/0] ftrace: allocating 26620 entries in 52
pages
[ 0.547093] C0 [ swapper/0] weird, boot CPU (#0) not listed by the
BIOS.
[ 0.547289] C0 [ swapper/0] SMP motherboard not detected.
[ 0.547410] C0 [ swapper/0] Local APIC not detected. Using dummy
APIC emulation.
[ 0.547549] C0 [ swapper/0] SMP disabled
[ 0.547670] C0 [ swapper/0] Performance Events: no PMU driver,
software events only.
[ 0.608632] C0 [ swapper/0] NMI watchdog: disabled (cpu0): hardware
events not enabled
[ 0.609308] C0 [ swapper/0] Brought up 1 CPUs
[ 0.609490] C0 [ swapper/0] Total of 1 processors activated
(3194.88 BogoMIPS).
[ 0.612469] C0 [ swapper/0] [default_sec_log_buf_reserve] SEC LOG
BUF start=0x10000000 size=0x201000
[ 0.628020] C0 [ swapper/0] pinctrl core: initialized pinctrl
subsystem
[ 0.632359] C0 [ swapper/0] dummy:
[ 0.635920] C0 [ swapper/0] NET: Registered protocol family 16
[ 0.636382] C0 [ swapper/0] Can't find a valid bosrd-descriptor!!!
(Hangs here)
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