[U-Boot] [PATCH 1/1] x86: show UEFI images involved in crash

Bin Meng bmeng.cn at gmail.com
Tue Sep 10 06:27:55 UTC 2019


On Thu, Aug 29, 2019 at 12:46 PM Bin Meng <bmeng.cn at gmail.com> wrote:
>
> On Mon, Aug 26, 2019 at 1:55 AM Heinrich Schuchardt <xypron.glpk at gmx.de> wrote:
> >
> > If a crash occurs, show the loaded UEFI images to facilitate analysis.
> >
> > This is an example output:
> >
> > => bootefi 0x1000000
> > Found 0 disks
> > Hello world of bugs!
> > Invalid Opcode (Undefined Opcode)
> > EIP: 0010:[<06ceb06e>] EFLAGS: 00010206
> > Original EIP :[<fec9906e>]
> > EAX: 00000000 EBX: 06cec000 ECX: 00000fd0 EDX: 00000001
> > ESI: 06ced18a EDI: 07d0fe10 EBP: 07fe27a0 ESP: 07d0fde0
> >  DS: 0018 ES: 0018 FS: 0020 GS: 0018 SS: 0018
> > CR0: 00000033 CR2: 00000000 CR3: 00000000 CR4: 00000000
> > DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
> > DR6: ffff0ff0 DR7: 00000400
> > Stack:
> >     0x07d0fde8 : 0x00000000
> >     0x07d0fde4 : 0x06ced040
> > --->0x07d0fde0 : 0x07fe27a0
> >     0x07d0fddc : 0x00010206
> >     0x07d0fdd8 : 0x00000010
> >     0x07d0fdd4 : 0x06ceb06e
> > UEFI image [0x06cea000:0x06cf0fff] pc=0x106e '/bug-i386.efi'
> > ### ERROR ### Please RESET the board ###
> >
> > With the additional information provided by this patch we know that the
> > problem occurred 0x106e after the load address of bug-i386.efi.
> >
> > Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> > ---
> >  arch/x86/cpu/i386/interrupt.c | 14 ++++++++++++++
> >  1 file changed, 14 insertions(+)
> >
>
> Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
> Tested-by: Bin Meng <bmeng.cn at gmail.com>

applied to u-boot-x86, thanks!


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