On 5/18/20 5:59 AM, Szabolcs Nagy wrote:
> i got some time to create a reproducer (with public code),
Thanks. I've grabbed it. I'll try it out soon.
r~
The 05/07/2020 10:21, Richard Henderson wrote:
> A reproducer would be most helpful.
>
> Something that can help is saving a VM snapshot with the kernel booted and the
> user logged in, just ready to run the test program. Then you can get back to
> exactly the state you want before things go
On 5/7/20 2:59 AM, Szabolcs Nagy wrote:
> is there some recommended way to turn some form
> of tracing on in qemu before i execute the
> problematic application?
I didn't add any tracing within mte. I can do so if we can guess what we're
looking for.
> or is it better if i try to extract a
The 05/06/2020 13:57, Szabolcs Nagy wrote:
> However later on during testing malloc with PROT_MTE
> i got a qemu assert failure:
>
> Bail out! ERROR:/S/target/arm/mte_helper.c:97:allocation_tag_mem: assertion
> failed: (tag_size <= in_page)
>
> i can reproduce it, but i don't know how to debug
The 04/24/2020 12:47, Richard Henderson wrote:
> On 4/21/20 9:39 PM, Richard Henderson wrote:
> > Yep. I failed to update aarch64_pstate_valid_mask for TCO.
> > Will fix. Thanks,
>
> Fixed on the branch.
>
> I still need to work out how best to plumb the arm,armv8.5-memtag property so
> the
On 4/21/20 9:39 PM, Richard Henderson wrote:
> On 4/20/20 3:29 AM, Szabolcs Nagy wrote:
>> i'm using the branch at
>>
>> https://github.com/rth7680/qemu/tree/tgt-arm-mte
>>
>> to test armv8.5-a mte and hope this is ok to report bugs here.
>>
>> i'm doing tests in qemu-system-aarch64 with linux
On 4/20/20 3:29 AM, Szabolcs Nagy wrote:
> i'm using the branch at
>
> https://github.com/rth7680/qemu/tree/tgt-arm-mte
>
> to test armv8.5-a mte and hope this is ok to report bugs here.
>
> i'm doing tests in qemu-system-aarch64 with linux userspace
> code and it seems TCO bit gets cleared
i'm using the branch at
https://github.com/rth7680/qemu/tree/tgt-arm-mte
to test armv8.5-a mte and hope this is ok to report bugs here.
i'm doing tests in qemu-system-aarch64 with linux userspace
code and it seems TCO bit gets cleared after syscalls or other
kernel entry, but PSTATE is expected
