On Sun, Mar 19, 2017 at 6:40 PM, Ye Xiaolong wrote:
> Could you paste the error log?
> I suspect it was caused by job-script saved as dos format, you may try
> `dos2unix job-script` before "lkp qemu" to see whether it works.
>
You were right, I had some strange '\n' error in the middle of a lot
o
On 03/17, Thomas Garnier wrote:
>I tried multiple things to repro this crash without success:
> - Used the config on my existing qemu setup (boot fine)
> - Add most of the command-line (boot fine)
> - Try to run the script on a dedicated machine and it seems it is
>really tailored for your setup. I
On Fri, Mar 17, 2017 at 11:20 AM, Andy Lutomirski wrote:
>
> I can easily imagine that breaking WINE or DOSEMU because it'll affect
> the LDT, too.
Can they even *read* the LDT contents, though? The whole accessed bit
doesn't show up in 'struct user_desc', so you can neither set it nor
read it.
On Fri, Mar 17, 2017 at 1:18 PM, Andy Lutomirski wrote:
> On Fri, Mar 17, 2017 at 12:36 PM, Linus Torvalds
> wrote:
>>
>> Can they even *read* the LDT contents, though? The whole accessed bit
>> doesn't show up in 'struct user_desc', so you can neither set it nor
>> read it.
>
> LAR. I've learne
On Fri, Mar 17, 2017 at 12:36 PM, Linus Torvalds
wrote:
> On Fri, Mar 17, 2017 at 11:20 AM, Andy Lutomirski wrote:
>>
>> I can easily imagine that breaking WINE or DOSEMU because it'll affect
>> the LDT, too.
>
> Can they even *read* the LDT contents, though? The whole accessed bit
> doesn't show
On Fri, Mar 17, 2017 at 11:07 AM, Linus Torvalds
wrote:
> On Fri, Mar 17, 2017 at 11:00 AM, Linus Torvalds
> wrote:
>> On Fri, Mar 17, 2017 at 10:49 AM, Linus Torvalds
>> wrote:
>>>
>>> The linear address can be used to look up which entry it is. I assume
>>> the GDT starts at ff577000,
On Fri, Mar 17, 2017 at 11:00 AM, Linus Torvalds
wrote:
> On Fri, Mar 17, 2017 at 10:49 AM, Linus Torvalds
> wrote:
>>
>> The linear address can be used to look up which entry it is. I assume
>> the GDT starts at ff577000, and that this is at offset 0x60
>> from that. Whatever descriptor
On Fri, Mar 17, 2017 at 10:49 AM, Linus Torvalds
wrote:
>
> The linear address can be used to look up which entry it is. I assume
> the GDT starts at ff577000, and that this is at offset 0x60
> from that. Whatever descriptor that would be..
Hmm. That should be gdt index 12, aka GDT_ENTRY_
On Fri, Mar 17, 2017 at 4:59 AM, kernel test robot
wrote:
>
> FYI, we noticed the following commit:
>
> commit: 45fc8757d1d2128e342b4e7ef39adedf7752faac ("x86: Make the GDT
> remapping read-only on 64-bit")
> https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git x86/mm
>
> in testcase: boot
>
I tried multiple things to repro this crash without success:
- Used the config on my existing qemu setup (boot fine)
- Add most of the command-line (boot fine)
- Try to run the script on a dedicated machine and it seems it is
really tailored for your setup. I had errors with usernames and cpio
c
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