[Crash-utility] Crash utility with RT patchset

Ron HM gpl.positron at gmail.com
Thu Jul 8 02:18:55 UTC 2021


Either that or possibly the offset at which you are trying to load.

On Thu, 8 Jul 2021, 9:28 am Ron HM, <gpl.positron at gmail.com> wrote:

> Hi Abhishek,
> I guess the address convention seems x8664 when looking at
> 0xffffffxxxxxxxx type sort of 64 bit virtual address.
>
> ------
> crash: invalid kernel virtual address: fffffff791ff5a5f  type: "64-bit
> KVADDR"
> -----
>
> For arm64 bit the addressing would more be sort of 0xCCAbxxxxxxx sorts.
> Due to the convention of memory addressing start addresses.
>
> As a first check confirm if your crash and vmlinuz file is x8664 type
> # file vmlinux
> # file crash
>
>
>
>
> On Wed, 7 Jul 2021, 3:53 pm Abhishek Shah, <abrs612 at gmail.com> wrote:
>
>> Hi All,
>>
>> I was wondering if there is any change required in either crash utility or
>> RT Linux to make use of crash utility to analyze ramdump with RT Linux.
>>
>> I am using crash 7.3.0++ and Linux - 5.4.61-rt37 on arm64 target.
>> I see the below error:
>> ../crash DDR0.BIN at 0x80000000,DDR1.BIN at 0x100000000 vmlinux
>> --machdep vabits_actual=39 --kaslr 0x2ff9600000
>> ......
>> crash: invalid kernel virtual address: fffffff791ff5a5f  type: "64-bit
>> KVADDR"
>>
>>
>> Regards,
>> Abhishek
>>
>> --
>> Crash-utility mailing list
>> Crash-utility at redhat.com
>> https://listman.redhat.com/mailman/listinfo/crash-utility
>>
>>
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