On 09/05/12 18:44, Paul Walmsley wrote: > > Here are some basic boot and power management test results for v3.6-rc4: > > http://www.pwsan.com/omap/testlogs/test_v3.6-rc4/20120904122415/ > > Some observations: > [...] > * CM-T3517: L3 in-band error with USB OTG during boot > - Cause unknown; longstanding issue; does not occur on the 3517EVM We see this problem on several cm-t3517, but not all of them. It looks something like: --------------------cut---------------------------- NET: Registered protocol family 16 GPMC revision 5.0 gpmc: irq-20 could not claim: err -22 OMAP GPIO hardware version 2.5 In-band Error seen by USB_OTG at address 0 ------------[ cut here ]------------ WARNING: at /home/lifshitz/workroot/git-repo/linux-cm-t3x/arch/arm/mach-omap2/omap_l3_smx.c:162 omap3_l3_app_irq+0xdc/0x120() Modules linked in: [<c001ad08>] (unwind_backtrace+0x0/0xf4) from [<c003f670>] (warn_slowpath_common+0x4c/0x64) [<c003f670>] (warn_slowpath_common+0x4c/0x64) from [<c003f6a4>] (warn_slowpath_null+0x1c/0x24) [<c003f6a4>] (warn_slowpath_null+0x1c/0x24) from [<c0033af0>] (omap3_l3_app_irq+0xdc/0x120) [<c0033af0>] (omap3_l3_app_irq+0xdc/0x120) from [<c008b8bc>] (handle_irq_event_percpu+0xac/0x298) [<c008b8bc>] (handle_irq_event_percpu+0xac/0x298) from [<c008bafc>] (handle_irq_event+0x54/0x74) [<c008bafc>] (handle_irq_event+0x54/0x74) from [<c008e290>] (handle_level_irq+0xc4/0x118) [<c008e290>] (handle_level_irq+0xc4/0x118) from [<c008b3ac>] (generic_handle_irq+0x2c/0x44) [<c008b3ac>] (generic_handle_irq+0x2c/0x44) from [<c001500c>] (handle_IRQ+0x60/0x80) [<c001500c>] (handle_IRQ+0x60/0x80) from [<c00085ec>] (omap3_intc_handle_irq+0x60/0x74) [<c00085ec>] (omap3_intc_handle_irq+0x60/0x74) from [<c04e3100>] (__irq_svc+0x40/0x74) Exception stack(0xcf02de00 to 0xcf02de48) de00: 00000000 0000000a 00000000 00000021 c074bcac cf046280 0000000a 60000013 de20: c074bcdc c070020c 00010000 00000000 00000000 cf02de48 00000000 c008c988 de40: 40000013 ffffffff [<c04e3100>] (__irq_svc+0x40/0x74) from [<c008c988>] (__setup_irq+0x2a8/0x404) [<c008c988>] (__setup_irq+0x2a8/0x404) from [<c008cd18>] (request_threaded_irq+0xe8/0x13c) [<c008cd18>] (request_threaded_irq+0xe8/0x13c) from [<c06c3d24>] (omap3_l3_probe+0x10c/0x16c) [<c06c3d24>] (omap3_l3_probe+0x10c/0x16c) from [<c033586c>] (platform_drv_probe+0x18/0x1c) [<c033586c>] (platform_drv_probe+0x18/0x1c) from [<c0334414>] (really_probe+0xac/0x1c8) [<c0334414>] (really_probe+0xac/0x1c8) from [<c0334578>] (driver_probe_device+0x48/0x60) [<c0334578>] (driver_probe_device+0x48/0x60) from [<c03345f0>] (__driver_attach+0x60/0x84) [<c03345f0>] (__driver_attach+0x60/0x84) from [<c0332ce0>] (bus_for_each_dev+0x4c/0x80) [<c0332ce0>] (bus_for_each_dev+0x4c/0x80) from [<c0333414>] (bus_add_driver+0xa4/0x294) [<c0333414>] (bus_add_driver+0xa4/0x294) from [<c0334bdc>] (driver_register+0xa4/0x188) [<c0334bdc>] (driver_register+0xa4/0x188) from [<c0335c5c>] (platform_driver_probe+0x18/0x98) [<c0335c5c>] (platform_driver_probe+0x18/0x98) from [<c0008798>] (do_one_initcall+0xac/0x16c) [<c0008798>] (do_one_initcall+0xac/0x16c) from [<c06b52ac>] (do_basic_setup+0x88/0xc0) [<c06b52ac>] (do_basic_setup+0x88/0xc0) from [<c06b53c4>] (kernel_init+0x60/0xfc) [<c06b53c4>] (kernel_init+0x60/0xfc) from [<c00150a4>] (kernel_thread_exit+0x0/0x8) ---[ end trace 1b75b31a2719ed1c ]--- -----------------------------cut------------------------------- After that, the board continues to function properly. Any hints how to debug this? [...] > > (The objective in posting these is to determine what is and isn't working > in the mainline releases, as well as to make it easier to determine what > is fixed or is broken by subsequent series that use this as a base.) Thanks for doing this. -- Regards, Igor. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html