Messages in this thread | | | Subject | Re: "kernel ade access" oops on LoongArch | From | Xi Ruoyao <> | Date | Wed, 15 Feb 2023 19:52:04 +0800 |
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On Wed, 2023-02-15 at 16:35 +0800, Xi Ruoyao wrote: > On Wed, 2023-02-15 at 16:25 +0800, Youling Tang wrote: > > Can you modify the kernel as follows and test it, so as to avoid > > possible relationship with the exception table data link position and > > alignment rules (or use EXCEPTION_TABLE(12))? > > > > --- a/arch/loongarch/kernel/vmlinux.lds.S > > +++ b/arch/loongarch/kernel/vmlinux.lds.S > > @@ -4,7 +4,6 @@ > > #include <asm/thread_info.h> > > > > #define PAGE_SIZE _PAGE_SIZE > > -#define RO_EXCEPTION_TABLE_ALIGN 4 > > > > /* > > * Put .bss..swapper_pg_dir as the first thing in .bss. This will > > @@ -54,6 +53,8 @@ SECTIONS > > . = ALIGN(PECOFF_SEGMENT_ALIGN); > > _etext = .; > > > > + EXCEPTION_TABLE(16) > > + > > It seems the kernel refuses to boot after the change, but I'm not > completely sure: I'm 5 km away from the board and operating it via ssh > so maybe it's a reboot failure or network failure. I'll report again in > the evening.
It was a reboot failure.
Now it has booted successfully, but the stack trace still shows (during the 25th run of the make test t=... command).
-- Xi Ruoyao <xry111@xry111.site> School of Aerospace Science and Technology, Xidian University
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