Messages in this thread Patch in this message | | | Date | Wed, 3 Aug 2016 09:38:22 +0100 | From | Russell King - ARM Linux <> | Subject | Re: "Failed to create /dev/root: -14" after commit e6978e4bf1 ("ARM: save and reset the address limit when entering an exception") |
| |
On Tue, Aug 02, 2016 at 07:51:45PM -0700, Guenter Roeck wrote: > Hi, > > I see the following crash when running a qemu arm 'kzm' runtime test with > the current mainline. >... > Failed to create /dev/root: -14 > > [ followed by panic ] > > A complete log file is at [1].
I think it's because of those undefined instructions you're hitting with the hw-breakpoint code... can you try the patch below please?
arch/arm/kernel/entry-armv.S | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index bc5f50799d75..9f157e7c51e7 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -295,6 +295,7 @@ __und_svc_fault: bl __und_fault __und_svc_finish: + get_thread_info tsk ldr r5, [sp, #S_PSR] @ Get SVC cpsr svc_exit r5 @ return from exception UNWIND(.fnend )
-- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.
| |