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[Bug 688765] Re: Can't init uart3 (no clocks available) at Beagleboard-xM

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Mathew Hodson <mathew.hodson@xxxxxxxxx>
Date: Thu, 12 Feb 2015 07:06:20 -0000
Reply-to: Bug 688765 <688765@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** CVE removed: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2010-4249

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https://bugs.launchpad.net/bugs/688765

Title:
  Can't init uart3 (no clocks available) at Beagleboard-xM

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Maverick:
  Fix Released

Bug description:
  Maverick on a Beagle-xM:

  [    0.000000] Initializing cgroup subsys cpuset
  [    0.000000] Initializing cgroup subsys cpu
  [    0.000000] Linux version 2.6.35-24-omap (buildd@satinash) (gcc version 4.4.5 (Ubuntu/Linaro 4.4.4-14ubuntu5) ) #42-Ubuntu Wed Dec 8 06:37:32 UTC 2010 (Ubuntu 2.6.35-24.42-omap 2.6.35.8)
  [    0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c53c7f
  [    0.000000] CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
  [    0.000000] Machine: OMAP3 Beagle Board
  [    0.000000] Memory policy: ECC disabled, Data cache writeback
  [    0.000000] On node 0 totalpages: 131072
  [    0.000000] free_area_init_node: node 0, pgdat c0769b64, node_mem_map c0828000
  [    0.000000]   Normal zone: 1024 pages used for memmap
  [    0.000000]   Normal zone: 0 pages reserved
  [    0.000000]   Normal zone: 130048 pages, LIFO batch:31
  [    0.000000] OMAP3630 ES1.0 (l2cache iva sgx neon isp 192mhz_clk )
  [    0.000000] SRAM: Mapped pa 0x40200000 to va 0xfe400000 size: 0x100000
  [    0.000000] Reserving 12582912 bytes SDRAM for VRAM
  [    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 130048
  [    0.000000] Kernel command line: text splash ro elevator=noop vram=12M omapfb.mode=dvi:1280x720MR-16@60 root=UUID=aea6b659-1d5d-4854-badf-0320cadc01ff fixrtc console=ttyS2,115200n8
  [    0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes)
  [    0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
  [    0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
  [    0.000000] allocated 2621440 bytes of page_cgroup
  [    0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups
  [    0.000000] Memory: 256MB 256MB = 512MB total
  [    0.000000] Memory: 487308k/487308k available, 36980k reserved, 0K highmem
  [    0.000000] Virtual kernel memory layout:
  [    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
  [    0.000000]     fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
  [    0.000000]     DMA     : 0xffc00000 - 0xffe00000   (   2 MB)
  [    0.000000]     vmalloc : 0xe0800000 - 0xf8000000   ( 376 MB)
  [    0.000000]     lowmem  : 0xc0000000 - 0xe0000000   ( 512 MB)
  [    0.000000]     modules : 0xbf000000 - 0xc0000000   (  16 MB)
  [    0.000000]       .init : 0xc0008000 - 0xc0044000   ( 240 kB)
  [    0.000000]       .text : 0xc0044000 - 0xc06b3000   (6588 kB)
  [    0.000000]       .data : 0xc071e000 - 0xc076de60   ( 320 kB)
  [    0.000000] SLUB: Genslabs=9, HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
  [    0.000000] Hierarchical RCU implementation.
  [    0.000000]  RCU-based detection of stalled CPUs is disabled.
  [    0.000000]  Verbose stalled-CPUs detection is disabled.
  [    0.000000] NR_IRQS:402
  [    0.000000] Clocking rate (Crystal/Core/MPU): 26.0/332/600 MHz
  [    0.000000]  (null): no physical address for uart#3, so skipping early_init...
  [    0.000000] omap_hwmod: l3_hwmod: cannot be enabled (3)
  [    0.000000] omap_hwmod: l4_core_hwmod: cannot be enabled (3)
  [    0.000000] omap_hwmod: l4_per_hwmod: cannot be enabled (3)
  [    0.000000] omap_hwmod: l4_wkup_hwmod: cannot be enabled (3)
  [    0.000000] Reprogramming SDRC clock to 332000000 Hz
  [    0.000000] GPMC revision 5.0
  [    0.000000] IRQ: Found an INTC at 0xfa200000 (revision 4.0) with 96 interrupts
  [    0.000000] Total of 96 interrupts on 1 active controller
  [    0.000000] OMAP GPIO hardware version 2.5
  [    0.000000] OMAP clockevent source: GPTIMER12 at 32768 Hz
  [    0.000000] Console: colour dummy device 80x30
  [    0.000000] Calibrating delay loop... 515.72 BogoMIPS (lpj=2015232)
  [    0.000000] pid_max: default: 32768 minimum: 301
  [    0.000000] Security Framework initialized
  [    0.000000] AppArmor: AppArmor initialized
  [    0.000000] Yama: becoming mindful.
  [    0.000000] Mount-cache hash table entries: 512
  [    0.000000] Initializing cgroup subsys ns
  [    0.000000] Initializing cgroup subsys cpuacct
  [    0.000000] Initializing cgroup subsys memory
  [    0.000000] Initializing cgroup subsys devices
  [    0.000000] Initializing cgroup subsys freezer
  [    0.000000] CPU: Testing write buffer coherency: ok
  [    0.000000] devtmpfs: initialized
  [    0.000000] regulator: core version 0.5
  [    0.000000] NET: Registered protocol family 16
  [    0.000000] mux: Setting signal mcspi1_clk.gpio171 0x011c -> 0x011c
  [    0.000000] mux: Setting signal mcspi1_simo.gpio172 0x011c -> 0x011c
  [    0.000000] mux: Setting signal mcspi1_somi.gpio173 0x011c -> 0x011c
  [    0.000000] OMAP3 Beagle Rev: xM
  [    0.000000] mux: Setting signal i2c3_scl.i2c3_scl 0x0118 -> 0x0100
  [    0.000000] mux: Setting signal i2c3_sda.i2c3_sda 0x0118 -> 0x0100
  [    0.000000] ------------[ cut here ]------------
  [    0.000000] WARNING: at /build/buildd/linux-2.6.35/arch/arm/mach-omap2/serial.c:727 omap_serial_init_port+0x88/0x1f8()
  [    0.000000] (null): can't init uart3, no clocks available
  [    0.000000] Modules linked in:
  [    0.000000] [<c004c508>] (unwind_backtrace+0x0/0x100) from [<c051a2a8>] (dump_stack+0x18/0x1c)
  [    0.000000] [<c051a2a8>] (dump_stack+0x18/0x1c) from [<c0081cb4>] (warn_slowpath_common+0x5c/0x6c)
  [    0.000000] [<c0081cb4>] (warn_slowpath_common+0x5c/0x6c) from [<c0081d68>] (warn_slowpath_fmt+0x38/0x40)
  [    0.000000] [<c0081d68>] (warn_slowpath_fmt+0x38/0x40) from [<c0010814>] (omap_serial_init_port+0x88/0x1f8)
  [    0.000000] [<c0010814>] (omap_serial_init_port+0x88/0x1f8) from [<c00109b4>] (omap_serial_init+0x30/0x3c)
  [    0.000000] [<c00109b4>] (omap_serial_init+0x30/0x3c) from [<c00125e0>] (omap3_beagle_init+0x6c/0xfc)
  [    0.000000] [<c00125e0>] (omap3_beagle_init+0x6c/0xfc) from [<c000c660>] (customize_machine+0x24/0x2c)
  [    0.000000] [<c000c660>] (customize_machine+0x24/0x2c) from [<c00443bc>] (do_one_initcall+0x3c/0x1dc)
  [    0.000000] [<c00443bc>] (do_one_initcall+0x3c/0x1dc) from [<c00085b4>] (do_basic_setup+0x64/0x74)
  [    0.000000] [<c00085b4>] (do_basic_setup+0x64/0x74) from [<c0008654>] (kernel_init+0x90/0x120)
  [    0.000000] [<c0008654>] (kernel_init+0x90/0x120) from [<c0045af4>] (kernel_thread_exit+0x0/0x8)
  [    0.000000] ---[ end trace da227214a82491b7 ]---

  Using latest kernel on proposed: 2.6.35-24-omap #42

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