Thomas,
On Sun, May 7, 2017 at 1:44 PM, Thomas Meyer wrote:
> Hi,
>
> Did anybody try to run UML on the new Windows 10 subsystem for Linux? I
> wonder what missing functions may hinder to run UML on WSL?
No idea.
Can you try? I don't have access to a Windows 10 system right now
where I could tes
Zitat von Richard Weinberger :
> Thomas,
>
> On Sun, May 7, 2017 at 1:44 PM, Thomas Meyer wrote:
>> Hi,
Hi,
>>
>> Did anybody try to run UML on the new Windows 10 subsystem for Linux? I
>> wonder what missing functions may hinder to run UML on WSL?
>
> No idea.
> Can you try? I don't have acce
Thomas,
Am 08.05.2017 um 17:02 schrieb Thomas Meyer:
> Sadly, UML executable bails out very early. it Looks like WSL is missing some
> PTRACE stuff:
>
> thomas@DESKTOP-DQBDJ0U:/mnt/c/Users/thomas/Downloads$ ./linux
> Core dump limits :
> soft - NONE
> hard - NONE
> Checking that
> Am 08.05.2017 um 17:05 schrieb Richard Weinberger :
>
> Thomas,
>
>> Am 08.05.2017 um 17:02 schrieb Thomas Meyer:
>> Sadly, UML executable bails out very early. it Looks like WSL is missing
>> some PTRACE stuff:
>>
>> thomas@DESKTOP-DQBDJ0U:/mnt/c/Users/thomas/Downloads$ ./linux
>> Core dump
Thomas,
Am 08.05.2017 um 17:32 schrieb Thomas Meyer:
>> We could figure how to report issues to WSL, create self-hosting unit tests
>> and ask them to add/fix
>> these features.
>
> Turns out there was already a bug report by somebody about missing UML
> support in WSL:
>
> https://github.com/
> Am 08.05.2017 um 17:35 schrieb Richard Weinberger :
>
> Thomas,
>
> Am 08.05.2017 um 17:32 schrieb Thomas Meyer:
>>> We could figure how to report issues to WSL, create self-hosting unit tests
>>> and ask them to add/fix
>>> these features.
>>
>> Turns out there was already a bug report by s
Thomas,
Am 08.05.2017 um 17:40 schrieb Thomas Meyer:
> "
> Also, for a little context, the /only/software I can find /on the planet/
> that cares is User Mode Linux. Unless someone tries to run some statically
> linked |strace| or
> maybe |gdb| binary from the 2.4 era, this will simply never be
> Am 08.05.2017 um 17:40 schrieb Thomas Meyer :
>
>
>> Am 08.05.2017 um 17:35 schrieb Richard Weinberger :
>>
>> Thomas,
>>
>> Am 08.05.2017 um 17:32 schrieb Thomas Meyer:
We could figure how to report issues to WSL, create self-hosting unit
tests and ask them to add/fix
these
Thomas,
Am 08.05.2017 um 18:09 schrieb Thomas Meyer:
> Or asked he other way around:
>
> Is somewhere documented what's the minimum host kernel version that a UML
> kernel will run on?
>
> E.g.:
> building a UML kernel from 4.11 will need a host kernel version 2.6.18 with
> features x, y and z
So far it is late 2.6. The high res timer subsystem settled fully
somewhere circa 2.6.10 if memory serves me right. One of those lovely
kernels which had VM collapse bugs :)
I am finishing testing the vector IO drivers and epoll irq controller
for them you will need 3.0 onwards
In fact, I have
Thomas,
Can you please give the attached patch a try?
Thanks,
//richard
>From b64c967e3960eff33e96f7dcff261635fffeb504 Mon Sep 17 00:00:00 2001
From: Richard Weinberger
Date: Mon, 8 May 2017 21:43:27 +0200
Subject: [PATCH] um: Drop PTRACE_OLDSETOPTIONS usage
IMHO in 2017 can assume that nobody
Zitat von Richard Weinberger :
> Thomas,
>
> Can you please give the attached patch a try?
Hi,
attached patch work correctly under Linux. But no change under WSL. As
stated in the relevant GH issue, there seems to be far more road
blockers to make UML work under WSL.
With you patch I get u
Thomas,
Am 09.05.2017 um 10:15 schrieb Thomas Meyer:
> attached patch work correctly under Linux. But no change under WSL. As stated
> in the relevant GH issue, there seems to be far more road blockers to make
> UML work under WSL.
>
> With you patch I get under WSL:
>
> thomas@DESKTOP-DQBDJ0U
Zitat von Richard Weinberger :
> Thomas,
>
> Am 09.05.2017 um 10:15 schrieb Thomas Meyer:
>> attached patch work correctly under Linux. But no change under WSL.
>> As stated in the relevant GH issue, there seems to be far more road
>> blockers to make UML work under WSL.
>>
>> With you patch
Thomas,
Am 09.05.2017 um 19:25 schrieb Thomas Meyer:
>> IOW we write to 0xdeadbeef, catch the fault and fix it.
>
> I get this:
> thomas@DESKTOP-DQBDJ0U:/mnt/c/Users/thomas/VmShare$ ./segtest
> SIGSEGV at 0x0, fixing up
> SIGSEGV at 0x0, fixing up
> SIGSEGV at 0x0, fixing up
> SIGSEGV at 0x0, fix
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