On 5/28/13 12:25 AM, "Gilles Chanteperdrix" <[email protected]> wrote:
>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. Just recompiled it with CONFIG_XENOMAI and CONFIG_IPIPE disable, and indeed, the error still occurs. Not sure why yet. Donald R. Poole, Jr. Research Engineer Voice: 210.522.3131 | Fax: 210.522.4931 Tactical Networks & Communications (tacticalnetworks.swri.org) Southwest Research Institute (SwRI) _______________________________________________ Xenomai mailing list [email protected] http://www.xenomai.org/mailman/listinfo/xenomai
