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Thread: Ubuntu 11.10 on a Power7 LPAR - cdrom mount problems

  1. #1
    Join Date
    May 2008
    Beans
    5

    Question Ubuntu 11.10 on a Power7 LPAR - cdrom mount problems

    Hello,
    i try to install Ubuntu 11.10 (build 08312011)
    on a LPAR of a Power7 System.
    But the problem is that the installer is unable to mount the media.

    ┌───────────────────┤ [!!] Detect and mount CD-ROM ├────────────────────┐
    │ │
    │ Your installation CD-ROM couldn't be mounted. This probably means │
    │ that the CD-ROM was not in the drive. If so you can insert it and try │
    │ again. │
    │ │
    │ Retry mounting the CD-ROM? │
    │ │
    │ <Yes> <No> │
    │ │
    └───────────────────────────────────────────────── ──────────────────────┘

    if i exit the installer to the shell
    i see only that on kernel modul is loaded but not used

    ~ # uname -a
    Linux (none) 3.0.0-9-powerpc64-smp #14-Ubuntu SMP Tue Aug 23 21:24:01 UTC 2011 ppc64 GNU/Linux


    ~ # lsmod
    Module Size Used by
    usb_storage 69394 0

    What can i do to mount the media ?

    Thanks




    boot: expert-powerpc64
    Please wait, loading kernel...
    Elf64 kernel loaded...
    Loading ramdisk...
    ramdisk loaded at 04c80000, size: 6117 Kbytes
    OF stdout device is: /vdevice/vty@30000000
    Preparing to boot Linux version 3.0.0-9-powerpc64-smp (buildd@adare) (gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-7ubuntu2) ) #14-Ubuntu SMP Tue Aug 23 21:24:01 UTC 2011 (Ubuntu 3.0.0-9.14-powerpc64-smp 3.0.3)
    Max number of cores passed to firmware: 256 (NR_CPUS = 1024)
    Calling ibm,client-architecture-support... done
    command line: ro ramdisk_size=8192 file=/cdrom/preseed/ubuntu.seed priority=low --
    memory layout at init:
    memory_limit : 0000000000000000 (16 MB aligned)
    alloc_bottom : 000000000527a000
    alloc_top : 0000000010000000
    alloc_top_hi : 0000000010000000
    rmo_top : 0000000010000000
    ram_top : 0000000010000000
    instantiating rtas at 0x000000000eea0000... done
    boot cpu hw idx 0
    copying OF device tree...
    Building dt strings...
    Building dt structure...
    Device tree strings 0x000000000537b000 -> 0x000000000537c563
    Device tree struct 0x000000000537d000 -> 0x0000000005390000
    Calling quiesce...
    returning from prom_init
    [ 0.000000] Using pSeries machine description
    [ 0.000000] Using 1TB segments
    [ 0.000000] Found initrd at 0xc000000004c80000:0xc000000005279512
    [ 0.000000] bootconsole [udbg0] enabled
    [ 0.000000] Partition configured for 4 cpus.
    [ 0.000000] CPU maps initialized for 4 threads per core
    [ 0.000000] Starting Linux PPC64 #14-Ubuntu SMP Tue Aug 23 21:24:01 UTC 2011
    [ 0.000000] -----------------------------------------------------
    [ 0.000000] ppc64_pft_size = 0x1a
    [ 0.000000] physicalMemorySize = 0x80000000
    [ 0.000000] htab_hash_mask = 0x7ffff
    [ 0.000000] -----------------------------------------------------
    [ 0.000000] Initializing cgroup subsys cpuset
    [ 0.000000] Initializing cgroup subsys cpu
    [ 0.000000] Linux version 3.0.0-9-powerpc64-smp (buildd@adare) (gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-7ubuntu2) ) #14-Ubuntu SMP Tue Aug 23 21:24:01 UTC 2011 (Ubuntu 3.0.0-9.14-powerpc64-smp 3.0.3)
    [ 0.000000] [boot]0012 Setup Arch
    [ 0.000000] EEH: No capable adapters found
    [ 0.000000] PPC64 nvram contains 15360 bytes
    [ 0.000000] Zone PFN ranges:
    [ 0.000000] DMA 0x00000000 -> 0x00080000
    [ 0.000000] Normal empty
    [ 0.000000] Movable zone start PFN for each node
    [ 0.000000] early_node_map[1] active PFN ranges
    [ 0.000000] 0: 0x00000000 -> 0x00080000
    [ 0.000000] [boot]0015 Setup Done
    [ 0.000000] PERCPU: Embedded 12 pages/cpu @c000000001600000 s17280 r0 d31872 u262144
    [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 517120
    [ 0.000000] Policy zone: DMA
    [ 0.000000] Kernel command line: ro ramdisk_size=8192 file=/cdrom/preseed/ubuntu.seed priority=low --
    [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
    [ 0.000000] freeing bootmem node 0
    [ 0.000000] Memory: 2017864k/2097152k available (17588k kernel code, 79288k reserved, 1716k data, 2337k bss, 6516k init)
    [ 0.000000] SLUB: Genslabs=15, HWalign=128, Order=0-3, MinObjects=0, CPUs=4, Nodes=256
    [ 0.000000] Hierarchical RCU implementation.
    [ 0.000000] RCU dyntick-idle grace-period acceleration is enabled.
    [ 0.000000] NR_IRQS:512 nr_irqs:512 16
    [ 0.000000] clocksource: timebase mult[7d0000] shift[22] registered
    [ 0.000000] Console: colour dummy device 80x25
    [ 0.000000] console [hvc0] enabled, bootconsole disabled
    [ 0.000000] console [hvc0] enabled, bootconsole disabled
    [ 0.000000] allocated 16777216 bytes of page_cgroup
    [ 0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups
    [ 0.018576] pid_max: default: 32768 minimum: 301
    [ 0.018616] Security Framework initialized
    [ 0.018643] AppArmor: AppArmor initialized
    [ 0.018659] Yama: becoming mindful.
    [ 0.018987] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
    [ 0.019839] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
    [ 0.028262] Mount-cache hash table entries: 256
    [ 0.029007] Initializing cgroup subsys cpuacct
    [ 0.029035] Initializing cgroup subsys memory
    [ 0.029140] Initializing cgroup subsys devices
    [ 0.029160] Initializing cgroup subsys freezer
    [ 0.029183] Initializing cgroup subsys net_cls
    [ 0.029202] Initializing cgroup subsys blkio
    [ 0.029225] Initializing cgroup subsys perf_event
    [ 0.029261] ftrace: allocating 23143 entries in 137 pages
    [ 0.048516] POWER7 performance monitor hardware support registered
    [ 0.049355] Brought up 4 CPUs
    [ 0.049408] Enabling Asymmetric SMT scheduling
    [ 0.049590] devtmpfs: initialized
    [ 0.069346] print_constraints: dummy:
    [ 0.069401] NET: Registered protocol family 16
    [ 0.069583] Trying to unpack rootfs image as initramfs...
    [ 0.079317] PCI: Probing PCI hardware
    [ 0.079351] io_event_irq: No ibm,io-events on system! IO Event interrupt disabled.
    [ 0.088282] bio: create slab <bio-0> at 0
    [ 0.088520] vgaarb: loaded
    [ 0.088769] SCSI subsystem initialized
    [ 0.088901] usbcore: registered new interface driver usbfs
    [ 0.088943] usbcore: registered new interface driver hub
    [ 0.089023] usbcore: registered new device driver usb
    [ 0.089191] NetLabel: Initializing
    [ 0.089209] NetLabel: domain hash size = 128
    [ 0.089230] NetLabel: protocols = UNLABELED CIPSOv4
    [ 0.089271] NetLabel: unlabeled traffic allowed by default
    [ 0.089347] Switching to clocksource timebase
    [ 0.108190] Switched to NOHz mode on CPU #2
    [ 0.108194] Switched to NOHz mode on CPU #1
    [ 0.108197] Switched to NOHz mode on CPU #3
    [ 0.108200] Switched to NOHz mode on CPU #0
    [ 0.148347] AppArmor: AppArmor Filesystem Enabled
    [ 0.158229] NET: Registered protocol family 2
    [ 0.158405] IP route cache hash table entries: 65536 (order: 7, 524288 bytes)
    [ 0.159499] TCP established hash table entries: 262144 (order: 10, 4194304 bytes)
    [ 0.169609] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
    [ 0.170072] TCP: Hash tables configured (established 262144 bind 65536)
    [ 0.170105] TCP reno registered
    [ 0.170128] UDP hash table entries: 1024 (order: 3, 32768 bytes)
    [ 0.178235] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes)
    [ 0.178408] NET: Registered protocol family 1
    [ 0.179441] vio 30000000: Warning: IOMMU dma not supported: mask 0xffffffffffffffff, table unavailable
    [ 0.217856] IOMMU table initialized, virtual merging enabled
    [ 0.254090] vio 4000: Warning: IOMMU dma not supported: mask 0xffffffffffffffff, table unavailable
    [ 0.254160] vio 4001: Warning: IOMMU dma not supported: mask 0xffffffffffffffff, table unavailable
    [ 0.254222] vio 4002: Warning: IOMMU dma not supported: mask 0xffffffffffffffff, table unavailable
    [ 0.254287] vio 4004: Warning: IOMMU dma not supported: mask 0xffffffffffffffff, table unavailable
    [ 0.254671] audit: initializing netlink socket (disabled)
    [ 0.254707] type=2000 audit(1314806821.192:1): initialized
    [ 0.840122] HugeTLB registered 16 MB page size, pre-allocated 0 pages
    [ 0.848211] HugeTLB registered 16 GB page size, pre-allocated 0 pages
    [ 0.858701] VFS: Disk quotas dquot_6.5.2
    [ 0.858812] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
    [ 0.859710] fuse init (API version 7.16)
    [ 0.859848] msgmni has been set to 3943
    [ 0.868592] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
    [ 0.868689] io scheduler noop registered
    [ 0.868713] io scheduler deadline registered
    [ 0.868780] io scheduler cfq registered (default)
    [ 0.869262] pmac_zilog: 0.6 (Benjamin Herrenschmidt <benh@kernel.crashing.org>)
    [ 0.869356] Linux agpgart interface v0.103
    [ 0.878929] brd: module loaded
    [ 0.879715] loop: module loaded





    BusyBox v1.18.4 (Ubuntu 1:1.18.4-2ubuntu1) built-in shell (ash)
    Enter 'help' for a list of built-in commands.

    ~ # dmesg
    [ 0.000000] Allocated 655360 bytes for 1024 pacas at c00000000ee00000
    [ 0.000000] Using pSeries machine description
    [ 0.000000] Page orders: linear mapping = 24, virtual = 12, io = 12, vmemmap = 24
    [ 0.000000] Using 1TB segments
    [ 0.000000] Found initrd at 0xc000000004c80000:0xc000000005279512
    [ 0.000000] bootconsole [udbg0] enabled
    [ 0.000000] Partition configured for 4 cpus.
    [ 0.000000] CPU maps initialized for 4 threads per core
    [ 0.000000] (thread shift is 2)
    [ 0.000000] Freed 651264 bytes for unused pacas
    [ 0.000000] Starting Linux PPC64 #14-Ubuntu SMP Tue Aug 23 21:24:01 UTC 2011
    [ 0.000000] -----------------------------------------------------
    [ 0.000000] ppc64_pft_size = 0x1a
    [ 0.000000] physicalMemorySize = 0x80000000
    [ 0.000000] htab_hash_mask = 0x7ffff
    [ 0.000000] -----------------------------------------------------
    [ 0.000000] Initializing cgroup subsys cpuset
    [ 0.000000] Initializing cgroup subsys cpu
    [ 0.000000] Linux version 3.0.0-9-powerpc64-smp (buildd@adare) (gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-7ubuntu2) ) #14-Ubuntu SMP Tue Aug 23 21:24:01 UTC 2011 (Ubuntu 3.0.0-9.14-powerpc64-smp 3.0.3)
    [ 0.000000] [boot]0012 Setup Arch
    [ 0.000000] Node 0 Memory: 0x0-0x80000000
    [ 0.000000] EEH: No capable adapters found
    [ 0.000000] PPC64 nvram contains 15360 bytes
    [ 0.000000] Using shared processor idle loop
    [ 0.000000] Zone PFN ranges:
    [ 0.000000] DMA 0x00000000 -> 0x00080000
    [ 0.000000] Normal empty
    [ 0.000000] Movable zone start PFN for each node
    [ 0.000000] early_node_map[1] active PFN ranges
    [ 0.000000] 0: 0x00000000 -> 0x00080000
    [ 0.000000] On node 0 totalpages: 524288
    [ 0.000000] DMA zone: 7168 pages used for memmap
    [ 0.000000] DMA zone: 0 pages reserved
    [ 0.000000] DMA zone: 517120 pages, LIFO batch:31
    [ 0.000000] [boot]0015 Setup Done
    [ 0.000000] PERCPU: Embedded 12 pages/cpu @c000000001600000 s17280 r0 d31872 u262144
    [ 0.000000] pcpu-alloc: s17280 r0 d31872 u262144 alloc=1*1048576
    [ 0.000000] pcpu-alloc: [0] 0 1 2 3
    [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 517120
    [ 0.000000] Policy zone: DMA
    [ 0.000000] Kernel command line: ro ramdisk_size=8192 file=/cdrom/preseed/ubuntu.seed priority=low --
    [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
    [ 0.000000] freeing bootmem node 0
    [ 0.000000] Memory: 2017864k/2097152k available (17588k kernel code, 79288k reserved, 1716k data, 2337k bss, 6516k init)
    [ 0.000000] SLUB: Genslabs=15, HWalign=128, Order=0-3, MinObjects=0, CPUs=4, Nodes=256
    [ 0.000000] Hierarchical RCU implementation.
    [ 0.000000] RCU dyntick-idle grace-period acceleration is enabled.
    [ 0.000000] NR_IRQS:512 nr_irqs:512 16
    [ 0.000000] pic: no ISA interrupt controller
    [ 0.000000] time_init: decrementer frequency = 512.000000 MHz
    [ 0.000000] time_init: processor frequency = 3000.000000 MHz
    [ 0.000000] clocksource: timebase mult[7d0000] shift[22] registered
    [ 0.000000] clockevent: decrementer mult[83126e97] shift[32] cpu[0]
    [ 0.000000] Console: colour dummy device 80x25
    [ 0.000000] console [hvc0] enabled, bootconsole disabled
    [ 0.000000] allocated 16777216 bytes of page_cgroup
    [ 0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups
    [ 0.018576] pid_max: default: 32768 minimum: 301
    [ 0.018616] Security Framework initialized
    [ 0.018643] AppArmor: AppArmor initialized
    [ 0.018659] Yama: becoming mindful.
    [ 0.018987] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
    [ 0.019839] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
    [ 0.028262] Mount-cache hash table entries: 256
    [ 0.029007] Initializing cgroup subsys cpuacct
    [ 0.029035] Initializing cgroup subsys memory
    [ 0.029140] Initializing cgroup subsys devices
    [ 0.029160] Initializing cgroup subsys freezer
    [ 0.029183] Initializing cgroup subsys net_cls
    [ 0.029202] Initializing cgroup subsys blkio
    [ 0.029225] Initializing cgroup subsys perf_event
    [ 0.029261] ftrace: allocating 23143 entries in 137 pages
    [ 0.048511] irq: irq 2 on host null mapped to virtual irq 16
    [ 0.048516] POWER7 performance monitor hardware support registered
    [ 0.049355] Brought up 4 CPUs
    [ 0.049378] Node 0 CPUs: 0-3
    [ 0.049408] Enabling Asymmetric SMT scheduling
    [ 0.049590] devtmpfs: initialized
    [ 0.069346] print_constraints: dummy:
    [ 0.069401] NET: Registered protocol family 16
    [ 0.069583] Trying to unpack rootfs image as initramfs...
    [ 0.079317] PCI: Probing PCI hardware
    [ 0.079345] PCI: Probing PCI hardware done
    [ 0.079351] io_event_irq: No ibm,io-events on system! IO Event interrupt disabled.
    [ 0.088282] bio: create slab <bio-0> at 0
    [ 0.088520] vgaarb: loaded
    [ 0.088769] SCSI subsystem initialized
    [ 0.088851] libata version 3.00 loaded.
    [ 0.088901] usbcore: registered new interface driver usbfs
    [ 0.088943] usbcore: registered new interface driver hub
    [ 0.089023] usbcore: registered new device driver usb
    [ 0.089191] NetLabel: Initializing
    [ 0.089209] NetLabel: domain hash size = 128
    [ 0.089230] NetLabel: protocols = UNLABELED CIPSOv4
    [ 0.089271] NetLabel: unlabeled traffic allowed by default
    [ 0.089347] Switching to clocksource timebase
    [ 0.108190] Switched to NOHz mode on CPU #2
    [ 0.108194] Switched to NOHz mode on CPU #1
    [ 0.108197] Switched to NOHz mode on CPU #3
    [ 0.108200] Switched to NOHz mode on CPU #0
    [ 0.148347] AppArmor: AppArmor Filesystem Enabled
    [ 0.158229] NET: Registered protocol family 2
    [ 0.158405] IP route cache hash table entries: 65536 (order: 7, 524288 bytes)
    [ 0.159499] TCP established hash table entries: 262144 (order: 10, 4194304 bytes)
    [ 0.169609] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
    [ 0.170072] TCP: Hash tables configured (established 262144 bind 65536)
    [ 0.170105] TCP reno registered
    [ 0.170128] UDP hash table entries: 1024 (order: 3, 32768 bytes)
    [ 0.178235] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes)
    [ 0.178408] NET: Registered protocol family 1
    [ 0.178444] PCI: CLS 0 bytes, default 128
    [ 0.178578] RTAS daemon started
    [ 0.179344] RTAS: event: 2, Type: Platform Error, Severity: 2
    [ 0.179432] irq: irq 655360 on host null mapped to virtual irq 17
    [ 0.179441] vio 30000000: Warning: IOMMU dma not supported: mask 0xffffffffffffffff, table unavailable
    [ 0.179531] irq: irq 655362 on host null mapped to virtual irq 18
    [ 0.217856] IOMMU table initialized, virtual merging enabled
    [ 0.217981] irq: irq 655363 on host null mapped to virtual irq 19
    [ 0.236089] irq: irq 655364 on host null mapped to virtual irq 20
    [ 0.254090] vio 4000: Warning: IOMMU dma not supported: mask 0xffffffffffffffff, table unavailable
    [ 0.254160] vio 4001: Warning: IOMMU dma not supported: mask 0xffffffffffffffff, table unavailable
    [ 0.254222] vio 4002: Warning: IOMMU dma not supported: mask 0xffffffffffffffff, table unavailable
    [ 0.254287] vio 4004: Warning: IOMMU dma not supported: mask 0xffffffffffffffff, table unavailable
    [ 0.254405] irq: irq 589825 on host null mapped to virtual irq 21
    [ 0.254671] audit: initializing netlink socket (disabled)
    [ 0.254707] type=2000 audit(1314806821.192:1): initialized
    [ 0.840122] HugeTLB registered 16 MB page size, pre-allocated 0 pages
    [ 0.848211] HugeTLB registered 16 GB page size, pre-allocated 0 pages
    [ 0.858701] VFS: Disk quotas dquot_6.5.2
    [ 0.858812] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
    [ 0.859710] fuse init (API version 7.16)
    [ 0.859848] msgmni has been set to 3943
    [ 0.868592] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
    [ 0.868689] io scheduler noop registered
    [ 0.868713] io scheduler deadline registered
    [ 0.868780] io scheduler cfq registered (default)
    [ 0.869262] pmac_zilog: 0.6 (Benjamin Herrenschmidt <benh@kernel.crashing.org>)
    [ 0.869356] Linux agpgart interface v0.103
    [ 0.878929] brd: module loaded
    [ 0.879715] loop: module loaded
    [ 0.879822] Uniform Multi-Platform E-IDE driver
    [ 0.879872] ide-gd driver 1.18
    [ 0.879895] ide-cd driver 5.00
    [ 0.879989] Fixed MDIO Bus: probed
    [ 0.880014] tun: Universal TUN/TAP device driver, 1.6
    [ 0.880040] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
    [ 0.888188] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
    [ 0.888250] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
    [ 0.888304] uhci_hcd: USB Universal Host Controller Interface driver
    [ 0.888452] mousedev: PS/2 mouse device common for all mice
    [ 0.888703] device-mapper: uevent: version 1.0.3
    [ 0.888817] device-mapper: ioctl: 4.20.0-ioctl (2011-02-02) initialised: dm-devel@redhat.com
    [ 0.889069] Freeing initrd memory: 6120k freed
    [ 0.889202] TCP cubic registered
    [ 0.889384] NET: Registered protocol family 10
    [ 0.889932] NET: Registered protocol family 17
    [ 0.889964] Registering the dns_resolver key type
    [ 0.890064] registered taskstats version 1
    [ 0.989114] /build/buildd/linux-3.0.0/drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
    [ 0.998514] Freeing unused kernel memory: 6516k freed
    >[ 1.039698] udevd[68]: starting version 173
    [ 1.580129] ioctl32(console-type:136): Unknown cmd fd(0) cmd(00005603){t:'V';sz:0} arg(ffed7e7c) on /dev/console
    [ 19.089212] Initializing USB Mass Storage driver...
    [ 19.089240] usbcore: registered new interface driver usb-storage
    [ 19.089243] USB Mass Storage support registered.


    /bin # discover-ibm
    ibmvscsic:IBM Virtual SCSI
    ibmvscsic:IBM Virtual SCSI
    ibmveth:IBM Virtual Ethernet
    Last edited by ds2k5; August 31st, 2011 at 10:14 AM.

  2. #2
    Join Date
    Jan 2011
    Beans
    1,015

    Re: Ubuntu 11.10 on a Power7 LPAR - cdrom mount problems

    I had a similar problem when trying to boot from a USB device that I had copied the CD onto. My solution is on the rambling posts on this page http://ubuntuforums.org/showthread.php?t=780320&page=4 . Don't know if this helps?

  3. #3
    Join Date
    May 2008
    Beans
    5

    Re: Ubuntu 11.10 on a Power7 LPAR - cdrom mount problems

    hi rsavage,
    no, i cant see some SCSI Devices

    ~ # ls -la /dev
    drwxr-xr-x 8 root root 2900 Aug 31 16:48 .
    drwxrwxr-x 18 root root 0 Aug 31 17:04 ..
    drwxr-xr-x 2 root root 520 Aug 31 16:48 block
    drwxr-xr-x 2 root root 2240 Aug 31 16:48 char
    crw------- 1 root root 5, 1 Aug 31 17:03 console
    lrwxrwxrwx 1 root root 11 Aug 31 16:48 core -> /proc/kcore
    crw------- 1 root root 10, 60 Aug 31 17:03 cpu_dma_latency
    crw------- 1 root root 10, 61 Aug 31 17:03 ecryptfs
    lrwxrwxrwx 1 root root 13 Aug 31 16:48 fd -> /proc/self/fd
    crw-rw-rw- 1 root root 1, 7 Aug 31 17:03 full
    crw-rw-rw- 1 root root 10, 229 Aug 31 17:03 fuse
    crw------- 1 root root 229, 0 Aug 31 19:20 hvc0
    crw------- 1 root root 229, 1 Aug 31 17:03 hvc1
    crw------- 1 root root 229, 2 Aug 31 17:03 hvc2
    crw------- 1 root root 229, 3 Aug 31 17:03 hvc3
    crw------- 1 root root 229, 4 Aug 31 17:03 hvc4
    crw------- 1 root root 229, 5 Aug 31 17:03 hvc5
    crw------- 1 root root 229, 6 Aug 31 17:03 hvc6
    crw------- 1 root root 229, 7 Aug 31 17:03 hvc7
    drwxr-xr-x 2 root root 60 Aug 31 16:48 input
    crw------- 1 root root 1, 11 Aug 31 17:03 kmsg
    srw-rw-rw- 1 root root 0 Aug 31 16:48 log
    brw------- 1 root root 7, 0 Aug 31 17:03 loop0
    brw------- 1 root root 7, 1 Aug 31 17:03 loop1
    brw------- 1 root root 7, 2 Aug 31 17:03 loop2
    brw------- 1 root root 7, 3 Aug 31 17:03 loop3
    brw------- 1 root root 7, 4 Aug 31 17:03 loop4
    brw------- 1 root root 7, 5 Aug 31 17:03 loop5
    brw------- 1 root root 7, 6 Aug 31 17:03 loop6
    brw------- 1 root root 7, 7 Aug 31 17:03 loop7
    drwxr-xr-x 2 root root 60 Aug 31 16:48 mapper
    crw-r----- 1 root root 1, 1 Aug 31 17:03 mem
    drwxr-xr-x 2 root root 60 Aug 31 16:48 net
    crw------- 1 root root 10, 59 Aug 31 17:03 network_latency
    crw------- 1 root root 10, 58 Aug 31 17:03 network_throughput
    crw-rw-rw- 1 root root 1, 3 Aug 31 17:03 null
    crw-r----- 1 root root 10, 144 Aug 31 17:03 nvram
    crw------- 1 root root 1, 12 Aug 31 17:03 oldmem
    crw-r----- 1 root root 1, 4 Aug 31 17:03 port
    crw------- 1 root root 10, 1 Aug 31 17:03 psaux
    crw-rw-rw- 1 root root 5, 2 Aug 31 17:03 ptmx
    drwxr-xr-x 2 root root 0 Aug 31 16:48 pts
    brw------- 1 root root 1, 0 Aug 31 17:03 ram0
    brw------- 1 root root 1, 1 Aug 31 17:03 ram1
    brw------- 1 root root 1, 10 Aug 31 17:03 ram10
    brw------- 1 root root 1, 11 Aug 31 17:03 ram11
    brw------- 1 root root 1, 12 Aug 31 17:03 ram12
    brw------- 1 root root 1, 13 Aug 31 17:03 ram13
    brw------- 1 root root 1, 14 Aug 31 17:03 ram14
    brw------- 1 root root 1, 15 Aug 31 17:03 ram15
    brw------- 1 root root 1, 2 Aug 31 17:03 ram2
    brw------- 1 root root 1, 3 Aug 31 17:03 ram3
    brw------- 1 root root 1, 4 Aug 31 17:03 ram4
    brw------- 1 root root 1, 5 Aug 31 17:03 ram5
    brw------- 1 root root 1, 6 Aug 31 17:03 ram6
    brw------- 1 root root 1, 7 Aug 31 17:03 ram7
    brw------- 1 root root 1, 8 Aug 31 17:03 ram8
    brw------- 1 root root 1, 9 Aug 31 17:03 ram9
    crw-rw-rw- 1 root root 1, 8 Aug 31 17:03 random
    crw-r--r-- 1 root root 10, 62 Aug 31 17:03 rfkill
    crw------- 1 root root 10, 231 Aug 31 17:03 snapshot
    lrwxrwxrwx 1 root root 15 Aug 31 16:48 stderr -> /proc/self/fd/2
    lrwxrwxrwx 1 root root 15 Aug 31 16:48 stdin -> /proc/self/fd/0
    lrwxrwxrwx 1 root root 15 Aug 31 16:48 stdout -> /proc/self/fd/1
    crw-rw-rw- 1 root root 5, 0 Aug 31 17:03 tty
    crw--w---- 1 root root 4, 0 Aug 31 17:03 tty0
    crw--w---- 1 root root 4, 1 Aug 31 17:03 tty1
    crw--w---- 1 root root 4, 10 Aug 31 17:03 tty10
    crw--w---- 1 root root 4, 11 Aug 31 17:03 tty11
    crw--w---- 1 root root 4, 12 Aug 31 17:03 tty12
    crw--w---- 1 root root 4, 13 Aug 31 17:03 tty13
    crw--w---- 1 root root 4, 14 Aug 31 17:03 tty14
    crw--w---- 1 root root 4, 15 Aug 31 17:03 tty15
    crw--w---- 1 root root 4, 16 Aug 31 17:03 tty16
    crw--w---- 1 root root 4, 17 Aug 31 17:03 tty17
    crw--w---- 1 root root 4, 18 Aug 31 17:03 tty18
    crw--w---- 1 root root 4, 19 Aug 31 17:03 tty19
    crw--w---- 1 root root 4, 2 Aug 31 17:03 tty2
    crw--w---- 1 root root 4, 20 Aug 31 17:03 tty20
    crw--w---- 1 root root 4, 21 Aug 31 17:03 tty21
    crw--w---- 1 root root 4, 22 Aug 31 17:03 tty22
    crw--w---- 1 root root 4, 23 Aug 31 17:03 tty23
    crw--w---- 1 root root 4, 24 Aug 31 17:03 tty24
    crw--w---- 1 root root 4, 25 Aug 31 17:03 tty25
    crw--w---- 1 root root 4, 26 Aug 31 17:03 tty26
    crw--w---- 1 root root 4, 27 Aug 31 17:03 tty27
    crw--w---- 1 root root 4, 28 Aug 31 17:03 tty28
    crw--w---- 1 root root 4, 29 Aug 31 17:03 tty29
    crw--w---- 1 root root 4, 3 Aug 31 17:03 tty3
    crw--w---- 1 root root 4, 30 Aug 31 17:03 tty30
    crw--w---- 1 root root 4, 31 Aug 31 17:03 tty31
    crw--w---- 1 root root 4, 32 Aug 31 17:03 tty32
    crw--w---- 1 root root 4, 33 Aug 31 17:03 tty33
    crw--w---- 1 root root 4, 34 Aug 31 17:03 tty34
    crw--w---- 1 root root 4, 35 Aug 31 17:03 tty35
    crw--w---- 1 root root 4, 36 Aug 31 17:03 tty36
    crw--w---- 1 root root 4, 37 Aug 31 17:03 tty37
    crw--w---- 1 root root 4, 38 Aug 31 17:03 tty38
    crw--w---- 1 root root 4, 39 Aug 31 17:03 tty39
    crw--w---- 1 root root 4, 4 Aug 31 17:34 tty4
    crw--w---- 1 root root 4, 40 Aug 31 17:03 tty40
    crw--w---- 1 root root 4, 41 Aug 31 17:03 tty41
    crw--w---- 1 root root 4, 42 Aug 31 17:03 tty42
    crw--w---- 1 root root 4, 43 Aug 31 17:03 tty43
    crw--w---- 1 root root 4, 44 Aug 31 17:03 tty44
    crw--w---- 1 root root 4, 45 Aug 31 17:03 tty45
    crw--w---- 1 root root 4, 46 Aug 31 17:03 tty46
    crw--w---- 1 root root 4, 47 Aug 31 17:03 tty47
    crw--w---- 1 root root 4, 48 Aug 31 17:03 tty48
    crw--w---- 1 root root 4, 49 Aug 31 17:03 tty49
    crw--w---- 1 root root 4, 5 Aug 31 17:03 tty5
    crw--w---- 1 root root 4, 50 Aug 31 17:03 tty50
    crw--w---- 1 root root 4, 51 Aug 31 17:03 tty51
    crw--w---- 1 root root 4, 52 Aug 31 17:03 tty52
    crw--w---- 1 root root 4, 53 Aug 31 17:03 tty53
    crw--w---- 1 root root 4, 54 Aug 31 17:03 tty54
    crw--w---- 1 root root 4, 55 Aug 31 17:03 tty55
    crw--w---- 1 root root 4, 56 Aug 31 17:03 tty56
    crw--w---- 1 root root 4, 57 Aug 31 17:03 tty57
    crw--w---- 1 root root 4, 58 Aug 31 17:03 tty58
    crw--w---- 1 root root 4, 59 Aug 31 17:03 tty59
    crw--w---- 1 root root 4, 6 Aug 31 17:03 tty6
    crw--w---- 1 root root 4, 60 Aug 31 17:03 tty60
    crw--w---- 1 root root 4, 61 Aug 31 17:03 tty61
    crw--w---- 1 root root 4, 62 Aug 31 17:03 tty62
    crw--w---- 1 root root 4, 63 Aug 31 17:03 tty63
    crw--w---- 1 root root 4, 7 Aug 31 17:03 tty7
    crw--w---- 1 root root 4, 8 Aug 31 17:03 tty8
    crw--w---- 1 root root 4, 9 Aug 31 17:03 tty9
    crw------- 1 root root 5, 3 Aug 31 17:03 ttyprintk
    crw-r----- 1 root root 10, 223 Aug 31 17:03 uinput
    crw-rw-rw- 1 root root 1, 9 Aug 31 17:03 urandom
    crw------- 1 root root 252, 0 Aug 31 17:03 usbmon0
    crw------- 1 root root 7, 0 Aug 31 17:03 vcs
    crw------- 1 root root 7, 1 Aug 31 17:03 vcs1
    crw------- 1 root root 7, 2 Aug 31 17:03 vcs2
    crw------- 1 root root 7, 3 Aug 31 17:03 vcs3
    crw------- 1 root root 7, 4 Aug 31 17:03 vcs4
    crw------- 1 root root 7, 128 Aug 31 17:03 vcsa
    crw------- 1 root root 7, 129 Aug 31 17:03 vcsa1
    crw------- 1 root root 7, 130 Aug 31 17:03 vcsa2
    crw------- 1 root root 7, 131 Aug 31 17:03 vcsa3
    crw------- 1 root root 7, 132 Aug 31 17:03 vcsa4
    crw------- 1 root root 10, 63 Aug 31 17:03 vga_arbiter
    crw-rw-rw- 1 root root 1, 5 Aug 31 17:03 zero

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