Hi Alexandre, On 2015-12-02 19:20, Alexandre Belloni wrote: > Hi Peter, > > On 01/12/2015 at 18:17:16 +0100, Peter Rosin wrote : >> [<c02f5084>] (ohci_hcd_at91_overcurrent_irq) from [<c00433b0>] (handle_irq_event_percpu+0x78/0x140) >> [<c00433b0>] (handle_irq_event_percpu) from [<c00434a4>] (handle_irq_event+0x2c/0x40) >> [<c00434a4>] (handle_irq_event) from [<c00458b8>] (handle_simple_irq+0x6c/0x80) >> [<c00458b8>] (handle_simple_irq) from [<c0042bc4>] (generic_handle_irq+0x2c/0x3c) >> [<c0042bc4>] (generic_handle_irq) from [<c01fe4ac>] (gpio_irq_handler+0xa4/0x12c) >> [<c01fe4ac>] (gpio_irq_handler) from [<c0042bc4>] (generic_handle_irq+0x2c/0x3c) >> [<c0042bc4>] (generic_handle_irq) from [<c0042dec>] (__handle_domain_irq+0x54/0xa8) >> [<c0042dec>] (__handle_domain_irq) from [<c0013500>] (__irq_svc+0x40/0x54) >> [<c0013500>] (__irq_svc) from [<c004451c>] (__setup_irq+0x248/0x530) >> [<c004451c>] (__setup_irq) from [<c0044954>] (request_threaded_irq+0xc4/0x144) >> [<c0044954>] (request_threaded_irq) from [<c02f5a0c>] (ohci_hcd_at91_drv_probe+0x460/0x518) >> [<c02f5a0c>] (ohci_hcd_at91_drv_probe) from [<c02670ec>] (platform_drv_probe+0x44/0xa4) >> [<c02670ec>] (platform_drv_probe) from [<c02655b4>] (driver_probe_device+0x1fc/0x43c) >> [<c02655b4>] (driver_probe_device) from [<c0265880>] (__driver_attach+0x8c/0x90) >> [<c0265880>] (__driver_attach) from [<c0263880>] (bus_for_each_dev+0x6c/0xa0) >> [<c0263880>] (bus_for_each_dev) from [<c0264b80>] (bus_add_driver+0x1d0/0x268) >> [<c0264b80>] (bus_add_driver) from [<c0266078>] (driver_register+0x78/0xf8) >> [<c0266078>] (driver_register) from [<c00096c8>] (do_one_initcall+0xb8/0x1f0) >> [<c00096c8>] (do_one_initcall) from [<c068bda4>] (kernel_init_freeable+0x138/0x1d8) >> [<c068bda4>] (kernel_init_freeable) from [<c04d06f4>] (kernel_init+0x8/0xe8) >> [<c04d06f4>] (kernel_init) from [<c000ff68>] (ret_from_fork+0x14/0x2c) >> Code: e5916058 e1a08000 e3a04000 e2865008 (e5b50004) >> ---[ end trace e66fbc480972ac43 ]--- >> Kernel panic - not syncing: Fatal exception in interrupt >> ---[ end Kernel panic - not syncing: Fatal exception in interrupt > > I think I understood what happens. Can you try the following patch? Seems to work here. Excellent! > 8<------ > From 402f8444bc92d218edc63dcc3c87459981a56c31 Mon Sep 17 00:00:00 2001 > From: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx> > Date: Wed, 2 Dec 2015 18:49:34 +0100 > Subject: [PATCH] USB: host: ohci-at91: fix a crash in > ohci_hcd_at91_overcurrent_irq > > Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx> Reported-by: Peter Rosin <peda@xxxxxxxxxx> Tested-by: Peter Rosin <peda@xxxxxxxxxx> (and bisected-by if anyone cares...) Cheers, Peter -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html