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On Wed, Nov 16, 2016 at 11:38 PM, Iurii Mykhalskyi <iurii.mykhalskyi@xxxxxxxxxxxxxxx> wrote:

Hi,

Try to use attached files as DTS. I didn't tested, but looks like there are few missed nodes:
- hypervisor
- psci

I'm not sure, that Linux & Xen will correctly inter-works without them.

With the best regards,
Iurii Mykhalskyi

On Wed, Nov 16, 2016 at 7:23 PM, George John <georgeeldhojohn@xxxxxxxxx> wrote:
Hi,
I just bumped in to some errors related to filesystem . The following is the log. I am using xen 4.7.1 along with linux kernel 3.19.8 as Dom0

Starting kernel ...

- UART enabled -
- CPU 00000000 booting -
- Xen starting in Hyp mode -
- Zero BSS -
- Setting up control registers -
- Turning on paging -
- Ready -
(XEN) Checking for initrd in /chosen
(XEN) RAM: 0000000040000000 - 000000007fffffff
(XEN) RAM: 0000000140000000 - 00000001ffffffff
(XEN)
(XEN) MODULE[0]: 0000000040ef2000 - 0000000040efe000 Device Tree
(XEN) MODULE[1]: 0000000072000000 - 00000000722a0660 Kernel
(XEN) MODULE[2]: 0000000074000000 - 000000007400284f XSM
(XEN) RESVD[0]: 000000007ff9a000 - 000000007ff9a120
(XEN) RESVD[1]: 0000000040ef2000 - 0000000040efe000
(XEN)
(XEN) Command line: console=dtuart dom0_mem=1G
(XEN) Placing Xen at 0x000000007fc00000-0x000000007fe00000
(XEN) Update BOOTMOD_XEN from 0000000090000000-0000000090105781 => 000000007fc00000-000000007fd05781
(XEN) Xen heap: 00000001f8000000-0000000200000000 (32768 pages)
(XEN) Dom heap: 1015808 pages
(XEN) Domain heap initialised
(XEN) Platform: Renesas R-Car Gen2
(XEN) Taking dtuart configuration from /chosen/stdout-path
(XEN) Looking for dtuart at "serial0", options "38400n8"
(XEN) WARNING: UART configuration is not supported
Xen 4.7.1
(XEN) Xen version 4.7.1 (teltvm@xxxxxxxxxxxxxx) (arm-linux-gnueabihf-gcc (Ubuntu/Linaro 4.8.4-2ubuntu1~14.04.1) 4.8.4) debug=y Mon Nov 7 11:44:45 IST 2016
(XEN) Latest ChangeSet:
(XEN) Processor: 413fc0f2: "ARM Limited", variant: 0x3, part 0xc0f, rev 0x2
(XEN) 32-bit Execution:
(XEN)   Processor Features: 00001131:00011011
(XEN)     Instruction Sets: AArch32 A32 Thumb Thumb-2 ThumbEE Jazelle
(XEN)     Extensions: GenericTimer Security
(XEN)   Debug Features: 02010555
(XEN)   Auxiliary Features: 00000000
(XEN)   Memory Model Features: 10201105 40000000 01240000 02102211
(XEN) ISA Features: 02101110 13112111 21232041 11112131 10011142 00000000
(XEN) Generic Timer IRQ: phys=30 hyp=26 virt=27 Freq: 10000 KHz
(XEN) GICv2: WARNING: The GICC size is too small: 0x1000 expected 0x2000
(XEN) GICv2 initialization:
(XEN)         gic_dist_addr=00000000f1001000
(XEN)         gic_cpu_addr=00000000f1002000
(XEN)         gic_hyp_addr=00000000f1004000
(XEN)         gic_vcpu_addr=00000000f1006000
(XEN)         gic_maintenance_irq=25
(XEN) GICv2: 416 lines, 8 cpus, secure (IID 0200043b).
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Allocated console ring of 64 KiB.
(XEN) VFP implementer 0x41 architecture 4 part 0x30 variant 0xf rev 0x0
(XEN) Bringing up CPU1
- CPU 00000001 booting -
- Xen starting in Hyp mode -
- Setting up control registers -
- Turning on paging -
- Ready -
(XEN) CPU 1 booted.
(XEN) Bringing up CPU2
- CPU 00000002 booting -
- Xen starting in Hyp mode -
- Setting up control registers -
- Turning on paging -
- Ready -
(XEN) CPU 2 booted.
(XEN) Bringing up CPU3
- CPU 00000003 booting -
- Xen starting in Hyp mode -
- Setting up control registers -
- Turning on paging -
- Ready -
(XEN) CPU 3 booted.
(XEN) Bringing up CPU4
(XEN) CPU4 never came online
(XEN) Failed to bring up CPU 4 (error -5)
(XEN) Bringing up CPU5
(XEN) CPU5 never came online
(XEN) Failed to bring up CPU 5 (error -5)
(XEN) Bringing up CPU6
(XEN) CPU6 never came online
(XEN) Failed to bring up CPU 6 (error -5)
(XEN) Bringing up CPU7
(XEN) CPU7 never came online
(XEN) Failed to bring up CPU 7 (error -5)
(XEN) Brought up 4 CPUs
(XEN) P2M: 40-bit IPA
(XEN) P2M: 3 levels with order-1 root, VTCR 0x80003558
(XEN) I/O virtualisation disabled
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Loading kernel from boot module @ 0000000072000000
(XEN) Allocating 1:1 mappings totalling 1024MB for dom0:
(XEN) BANK[0] 0x00000048000000-0x00000070000000 (640MB)
(XEN) BANK[1] 0x000001d8000000-0x000001f0000000 (384MB)
(XEN) Grant table range: 0x0000007fc00000-0x0000007fc64000
(XEN) Loading zImage from 0000000072000000 to 000000004fc00000-000000004fe79fb8
(XEN) Allocating PPI 16 for event channel interrupt
(XEN) Loading dom0 DTB to 0x0000000050000000-0x000000005000ab70
(XEN) Scrubbing Free RAM on 1 nodes using 4 CPUs
(XEN) ........done.
(XEN) Initial low memory virq threshold set at 0x4000 pages.
(XEN) Std. Loglevel: All
(XEN) Guest Loglevel: All
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to Xen)
(XEN) Freed 276kB init memory.
Booting Linux on physical CPU 0x0
Linux version 3.19.8 (teltvm@teltvm2038x) (gcc version 4.8.4 (Ubuntu/Linaro 4.8.4-2ubuntu1~14.04.1) ) #23 Mon Nov 14 17:20:55 IST 2016
CPU: ARMv7 Processor [413fc0f2] revision 2 (ARMv7), cr=10c53c7d
CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
Machine model: Lager
Ignoring memory block 0x1d8000000 - 0x1f0000000
Truncating RAM at 0x48000000-0x70000000 to -0x6f000000
Memory policy: Data cache writeback
------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at arch/arm/kernel/devtree.c:144 arm_dt_init_cpu_maps+0xc0/0x12c()
DT /cpu 2 nodes greater than max cores 1, capping them
CPU: 0 PID: 0 Comm: swapper Not tainted 3.19.8 #23
Hardware name: lager
Backtrace:
[<c00121f4>] (dump_backtrace) from [<c0012388>] (show_stack+0x18/0x1c)
r6:c0476ecb r5:00000009 r4:00000000 r3:00200000
[<c0012370>] (show_stack) from [<c03cf7f4>] (dump_stack+0x20/0x28)
[<c03cf7d4>] (dump_stack) from [<c0021ba4>] (warn_slowpath_common+0x88/0xb0)
[<c0021b1c>] (warn_slowpath_common) from [<c0021c38>] (warn_slowpath_fmt+0x38/0x40)
r8:c04fbee8 r7:e6b187dc r6:00000001 r5:00000000 r4:e6b18a44
[<c0021c04>] (warn_slowpath_fmt) from [<c04c228c>] (arm_dt_init_cpu_maps+0xc0/0x12c)
r3:00000002 r2:c0476f0e
[<c04c21cc>] (arm_dt_init_cpu_maps) from [<c04c1964>] (setup_arch+0x5e0/0x78c)
r7:c04f3708 r6:c052af98 r5:c04de83c r4:e6b18f80
[<c04c1384>] (setup_arch) from [<c04bf9c4>] (start_kernel+0x80/0x33c)
r10:00000000 r9:c04f0000 r8:48004059 r7:ffffffff r6:c0512b40 r5:00000001
r4:00000000
[<c04bf944>] (start_kernel) from [<48008070>] (0x48008070)
r10:00000000 r9:413fc0f2 r8:48004059 r7:c04f3810 r6:c04dfbf8 r5:c04f0078
r4:c05135d4
---[ end trace cb88537fdc8fa200 ]---
psci: probing for conduit method from DT.
psci: PSCIv0.2 detected in firmware.
psci: Using standard PSCI v0.2 function IDs
CPU: All CPU(s) started in SVC mode.
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 158496
Kernel command line: console=hvc0 vmalloc=384M video=HDMI-A-1:1920x1080-32@60 rw root=/dev/mmcblk0p1 rootfstype=ext2 rdinit=/sbin/init rootwait fixrtc
PID hash table entries: 4096 (order: 2, 16384 bytes)
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Memory: 627628K/638976K available (3887K kernel code, 170K rwdata, 936K rodata, 164K init, 164K bss, 11348K reserved, 0K cma-reserved)
Virtual kernel memory layout:
    vector : 0xffff0000 - 0xffff1000   (   4 kB)
    fixmap : 0xffc00000 - 0xfff00000   (3072 kB)
    vmalloc : 0xe7800000 - 0xff000000   ( 376 MB)
    lowmem : 0xc0000000 - 0xe7000000   ( 624 MB)
      .text : 0xc0008000 - 0xc04befb4   (4828 kB)
      .init : 0xc04bf000 - 0xc04e8000   ( 164 kB)
      .data : 0xc04e8000 - 0xc0512b40   ( 171 kB)
       .bss : 0xc0512b40 - 0xc053bdb8   ( 165 kB)
NR_IRQS:16 nr_irqs:16 16
sched_clock: 32 bits at 128 Hz, resolution 7812500ns, wraps every 16777216000000000ns
Console: colour dummy device 80x30
Calibrating delay loop (skipped) preset value.. 1300.08 BogoMIPS (lpj=5078125)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
CPU: Testing write buffer coherency: ok
irq: no irq domain found for /interrupt-controller !
Xen 4.7 support found, events_irq=0 gnttab_frame=0x7fc00000
xen:grant_table: Grant tables using version 1 layout
Grant table initialized
xen:events: Using FIFO-based ABI
Error request IRQ 0
Setting up static identity map for 0x483d32b0 - 0x483d3308
devtmpfs: initialized
VFP support v0.3: implementor 41 architecture 4 part 30 variant f rev 0
pinctrl core: initialized pinctrl subsystem
NET: Registered protocol family 16
DMA: preallocated 256 KiB pool for atomic coherent allocations
xen:swiotlb_xen: Warning: only able to allocate 16 MB for software IO TLB
software IO TLB [mem 0x6b000000-0x6c000000] (16MB) mapped at [e3000000-e3ffffff]
sh-pfc pfc-r8a7790: r8a77900_pfc support registered
renesas_irqc renesas_irqc.0: driving 4 irqs
No ATAGs?
hw-breakpoint: Failed to enable monitor mode on CPU 0.
xen:balloon: Initialising balloon driver
xen_balloon: Initialising balloon driver
SDHI0Vcc: Failed to request enable GPIO184: -517
reg-fixed-voltage reg-fixed-voltage.1: Failed to register regulator: -517
platform reg-fixed-voltage.1: Driver reg-fixed-voltage requests probe deferral
SDHI2Vcc: Failed to request enable GPIO185: -517
reg-fixed-voltage reg-fixed-voltage.2: Failed to register regulator: -517
platform reg-fixed-voltage.2: Driver reg-fixed-voltage requests probe deferral
gpio-regulator gpio-regulator.0: Could not obtain regulator setting GPIOs: -517
platform gpio-regulator.0: Driver gpio-regulator requests probe deferral
gpio-regulator gpio-regulator.1: Could not obtain regulator setting GPIOs: -517
platform gpio-regulator.1: Driver gpio-regulator requests probe deferral
SCSI subsystem initialized
Linux video capture interface: v2.00
sh_cmt sh-cmt-48-gen2.0: ch0: used for clock events
sh_cmt sh-cmt-48-gen2.0: ch0: used for periodic clock events
sh_cmt sh-cmt-48-gen2.0: ch1: used as clock source
Advanced Linux Sound Architecture Driver Initialized.
Switched to clocksource sh-cmt-48-gen2.0
NET: Registered protocol family 2
TCP established hash table entries: 8192 (order: 3, 32768 bytes)
TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
TCP: reno registered
UDP hash table entries: 512 (order: 1, 8192 bytes)
UDP-Lite hash table entries: 512 (order: 1, 8192 bytes)
sh_cmt sh-cmt-48-gen2.0: ch0: used for oneshot clock events
NET: Registered protocol family 1
RPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
futex hash table entries: 256 (order: -1, 3072 bytes)
NFS: Registering the id_resolver key type
Key type id_resolver registered
Key type id_legacy registered
nfs4filelayout_init: NFSv4 File Layout Driver Registering...
io scheduler noop registered (default)
gpio_rcar gpio_rcar.0: driving 32 GPIOs
gpio_rcar gpio_rcar.1: driving 32 GPIOs
gpio_rcar gpio_rcar.2: driving 32 GPIOs
gpio_rcar gpio_rcar.3: driving 32 GPIOs
gpio_rcar gpio_rcar.4: driving 32 GPIOs
gpio_rcar gpio_rcar.5: driving 32 GPIOs
xen:xen_evtchn: Event-channel device installed
console [hvc0] enabled
SuperH (H)SCI(F) driver initialized
sh-sci.0: ttySC0 at MMIO 0xe6c40000 (irq = 176, base_baud = 0) is a scifa
sh-sci.1: ttySC1 at MMIO 0xe6c50000 (irq = 177, base_baud = 0) is a scifa
sh-sci.2: ttySC2 at MMIO 0xe6c20000 (irq = 180, base_baud = 0) is a scifb
sh-sci.3: ttySC3 at MMIO 0xe6c30000 (irq = 181, base_baud = 0) is a scifb
sh-sci.4: ttySC4 at MMIO 0xe6ce0000 (irq = 182, base_baud = 0) is a scifb
sh-sci.5: ttySC5 at MMIO 0xe6c60000 (irq = 183, base_baud = 0) is a scifa
sh-sci.6: ttySC6 at MMIO 0xe6e60000 (irq = 184, base_baud = 0) is a scif
sh-sci.7: ttySC7 at MMIO 0xe6e68000 (irq = 185, base_baud = 0) is a scif
sh-sci.8: ttySC8 at MMIO 0xe62c0000 (irq = 186, base_baud = 0) is a hscif
sh-sci.9: ttySC9 at MMIO 0xe62c8000 (irq = 187, base_baud = 0) is a hscif
[drm] Initialized drm 1.1.0 20060810
scsi host0: sata_rcar
ata1: SATA max UDMA/133 irq 138
m25p80 spi0.0: s25fl512s (65536 Kbytes)
Creating 3 MTD partitions on "m25p80":
0x000000000000-0x000000040000 : "loader"
0x000000040000-0x000000440000 : "user"
0x000000440000-0x000004000000 : "flash"
renesas_spi qspi.0: probed
libphy: sh_mii: probed
sh-eth r8a7790-ether eth0: Base address at 0xee700000, 2e:09:0a:00:3d:d3, IRQ 194.
xen_netfront: Initialising Xen virtual ethernet driver
mousedev: PS/2 mouse device common for all mice
i2c-rcar i2c-rcar_gen2.0: probed
i2c-rcar i2c-rcar_gen2.1: probed
i2c-rcar i2c-rcar_gen2.2: probed
i2c-rcar i2c-rcar_gen2.3: probed
soc-camera-pdrv soc-camera-pdrv.1: Probing soc-camera-pdrv.1
adv7180 2-0020: chip found @ 0x20 (i2c-rcar_gen2)
rcar_thermal rcar_thermal: 1 sensor probed
Driver 'mmcblk' needs updating - please use bus_type methods
sh_mobile_sdhi sh_mobile_sdhi.0: No vmmc regulator found
sh_mobile_sdhi sh_mobile_sdhi.0: No vqmmc regulator found
platform sh_mobile_sdhi.0: Driver sh_mobile_sdhi requests probe deferral
sh_mobile_sdhi sh_mobile_sdhi.2: No vmmc regulator found
sh_mobile_sdhi sh_mobile_sdhi.2: No vqmmc regulator found
platform sh_mobile_sdhi.2: Driver sh_mobile_sdhi requests probe deferral
sh_mmcif sh_mmcif.1: No vqmmc regulator found
sh_mmcif sh_mmcif.1: Chip version 0x0003, clock rate 12MHz
asoc-simple-card asoc-simple-card: ASoC: CPU DAI rcar_sound not registered
platform asoc-simple-card: Driver asoc-simple-card requests probe deferral
rcar_sound rcar_sound: probed
TCP: cubic registered
NET: Registered protocol family 17
Key type dns_resolver registered
mmc0: BKOPS_EN bit is not set
mmc0: new high speed MMC card at address 0001
1DEBUG: Passed mmc_add_card 317
2DEBUG: Passed mmc_add_card 319
mmcblk0: mmc0:0001 MMC08G 7.32 GiB
mmcblk0boot0: mmc0:0001 MMC08G partition 1 2.00 MiB
mmcblk0boot1: mmc0:0001 MMC08G partition 2 2.00 MiB
mmcblk0: p1
sh_mobile_sdhi sh_mobile_sdhi.0: mmc1 base at 0xee100000 clock rate 97 MHz
ata1: link resume succeeded after 1 retries
ata1: SATA link down (SStatus 0 SControl 300)
sh_mobile_sdhi sh_mobile_sdhi.2: mmc2 base at 0xee140000 clock rate 48 MHz
asoc-simple-card asoc-simple-card: ak4642-hifi <-> rcar_sound mapping ok
input: gpio-keys as /devices/platform/gpio-keys/input/input0
�H�EXT4-fs (mmcblk0p1): error count since last fsck: 24
EXT4-fs (mmcblk0p1): initial error at time 11: mb_free_blocks:1450: inode 67523: block 296960
EXT4-fs (mmcblk0p1): last error at time 10: ext4_free_inode:340

After this the system hangs
I am trying to debug the issue
please help
I am attaching the dts file I have used for the lager board.

Regards,
George

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Iurii Mykhalskyi | Senior Software Engineer
GlobalLogic
P +38.044.492.9695x3664 M +38.096.311.5467 S mad-nemoi
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Re: [Xen-devel] Error regarding filesystem in Dom0 in lager board