On 05/28/2013 02:04 AM, Poole Jr, Donald R. wrote:
> I just pulled down the git://git.xenomai.org/ipipe.git => ipipe-3.8.0 branch
> and compiled for my BeagleBone, but on boot I receive the following error
> with backtrace:
>
> omap-dma-engine omap-dma-engine: allocating channel for 25
> [ 1.954937] BUG: spinlock bad magic on CPU#0, swapper/0/1
> [ 1.960658] lock: dma_chan_lock+0x0/0x20, .magic: 00000000, .owner:
> <none>/-1, .owner_cpu: 0
> [ 1.969683] [<c001b2d0>] (unwind_backtrace+0x0/0xf0) from [<c02d2500>]
> (do_raw_spin_lock+0x14c/0x18c)
> [ 1.979427] [<c02d2500>] (do_raw_spin_lock+0x14c/0x18c) from [<c04eeaa0>]
> (_raw_spin_lock_irqsave+0x4c/0x58)
> [ 1.989814] [<c04eeaa0>] (_raw_spin_lock_irqsave+0x4c/0x58) from
> [<c003ebfc>] (omap_request_dma+0x24/0x1b8)
> [ 2.000109] [<c003ebfc>] (omap_request_dma+0x24/0x1b8) from [<c02fb710>]
> (omap_dma_alloc_chan_resources+0x3c/0x50)
> [ 2.011033] [<c02fb710>] (omap_dma_alloc_chan_resources+0x3c/0x50) from
> [<c02f9f3c>] (dma_chan_get+0x50/0xec)
> [ 2.021501] [<c02f9f3c>] (dma_chan_get+0x50/0xec) from [<c02fa6a0>]
> (__dma_request_channel+0x114/0x1b8)
> [ 2.031432] [<c02fa6a0>] (__dma_request_channel+0x114/0x1b8) from
> [<c0407df4>] (omap_hsmmc_probe+0x518/0xc54)
> [ 2.041899] [<c0407df4>] (omap_hsmmc_probe+0x518/0xc54) from [<c032f508>]
> (platform_drv_probe+0x18/0x1c)
> [ 2.051905] [<c032f508>] (platform_drv_probe+0x18/0x1c) from [<c032e2c4>]
> (driver_probe_device+0x78/0x210)
> [ 2.062091] [<c032e2c4>] (driver_probe_device+0x78/0x210) from
> [<c032e4f0>] (__driver_attach+0x94/0x98)
> [ 2.072017] [<c032e4f0>] (__driver_attach+0x94/0x98) from [<c032cbc4>]
> (bus_for_each_dev+0x50/0x7c)
> [ 2.081570] [<c032cbc4>] (bus_for_each_dev+0x50/0x7c) from [<c032daf0>]
> (bus_add_driver+0x178/0x240)
> [ 2.091211] [<c032daf0>] (bus_add_driver+0x178/0x240) from [<c032e9c0>]
> (driver_register+0x78/0x144)
> [ 2.100851] [<c032e9c0>] (driver_register+0x78/0x144) from [<c0008834>]
> (do_one_initcall+0x34/0x178)
> [ 2.110507] [<c0008834>] (do_one_initcall+0x34/0x178) from [<c0709900>]
> (kernel_init_freeable+0x100/0x1d0)
> [ 2.120708] [<c0709900>] (kernel_init_freeable+0x100/0x1d0) from
> [<c04e19f0>] (kernel_init+0x8/0xe4)
> [ 2.130356] [<c04e19f0>] (kernel_init+0x8/0xe4) from [<c0013480>]
> (ret_from_fork+0x18/0x38)
> [ 2.139299] omap_hsmmc mmc.4: unable to obtain RX DMA engine channel 25
> [ 2.146514] of_get_named_gpio_flags: can't parse gpios property
> [ 2.152815] of_get_named_gpio_flags: can't parse gpios property
> [ 2.159268] omap-dma-engine omap-dma-engine: allocating channel for 3
> [ 2.166124] omap_hsmmc mmc.5: unable to obtain RX DMA engine channel 3
>
> Would anyone know what might be wrong? Is there a commit that I should avoid
> for the moment?
Don't you still have the error if you disable CONFIG_XENOMAI and
CONFIG_IPIPE?
--
Gilles.
_______________________________________________
Xenomai mailing list
[email protected]
http://www.xenomai.org/mailman/listinfo/xenomai
