> Checking PROT_EXEC mmap in /tmp...OK
> tracing thread pid = 11687
>
> And then exits with no further explanation or printout.
That sounds like the behaviour described in the first message. If you
apply the
"uml-revert-fork-instead-of-clone.patch" posted by Blaisorblade in the
same thread on 2
Blaisorblade wrote:
There's a bit of misunderstanding: SKAS0 is a patch for UML only, not an host
patch. It's numbered "0" because it has "0" dependencies, or because it does
not depend on host SKAS patch (nor SKAS1, nor SKAS2, nor SKAS3).
Sorry for that, I should have read about it - especial
On Thu, 2005-07-07 at 07:59 -0400, Jeff Dike wrote:
> So, I would say that skas0 is more a fix for this problem than
> reverting the fork-not-clone patch is.
No it isn't. Its an other method not a fix for anything. As long as
skas0 is not in kernel mainline and enabled in main distributions, it
h
> Any more ideas to try out to trace the crash down?
Is there one process that you've started in each try? Does the panic
occurs immediately or is there any delay? Are the applications you start
self-written?
The following from UML documentation when using tracing thread (TT)
mode:
The UML kern
>> Does this occur before or after your application starts?
> Not an easy question, as the application consists of nearly 20
> processes
> started by init. However as it cleaned out it does not depen on mem=
> parameter, I just did not wait enough to let all the processes start
> with the default
> Kernel panic - not syncing: Kernel mode fault at addr 0x4, ip 0xa003054d
Does this occur before or after your application starts?
I use mem=256M without any problems. Do you use a swap device? How much
RAM do you have in your host system?
regards
> Ok, confirmed that the patch indicated by Jeff is the exact culprit one and
> that it applies. I took the patch from there with git and reversed it, so
> apply the attached patch to fix this problem.
Confirmed too. Everything works as expected now.
Thanks!
best regards
Bernhar
> Could you please try 2.6.12-rc4-mm2? I'll try to reproduce your issue
> with 2.6.11.12.
Table:
2.6.11.12works as expected
2.6.12-rc4 works as expected
2.6.12-rc4-mm2 works as expected
2.6.12-rc5 works as expected
2.6.12-rc6 works as expected
2.6.12 does not
> I have the same problem with 2.6.12.1 Kernel. Almost exact the same
> output... With 2.6.11.12 Kernel everything works...
Could you please try 2.6.12-rc4-mm2? I'll try to reproduce your issue
with 2.6.11.12.
If that behaviour is reproducible (on my and your computer), I'll try to
check which ch
> Have you had problems with plain 2.6.12?
I tried 2.6.12, 2.6.12-mm1 and several others. With 2.6.12 plain, I've
reproduced
(
- unpacking plain 2.6.11 kernel,
- patching to 2.6.12,
- make O=../../../build/lin-uml/ ARCH=um defconfig
- make O=../../../build/lin-uml/ ARCH=um linux
- exec
regards
Bernhard Schauer
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speed, fa
> Revert the fork-not-clone patch:
> http://www.ussg.iu.edu/hypermail/linux/kernel/0506.1/0665.html
>
Tried to revert the patch, but it did not succeed from 2.6.12 (Woozy
Numbat). Maybe I should revert an other patch before (An other solution
would be to put the changes in by hand)?
F
> Well, add stderr=1 to see the output. It will complain that you're not
> saying him which Linux root_fs you want to boot.
> If you pass a filesystem and it does not work, then post the new
> output with stderr=1.
[...]$ ./linux stderr=1 ubd0=/mnt/lfs/lfs1.img
Checking PROT_EXEC mmap in /tmp...
Has anyone a hint on that issue? I do not even know where I should
search for that!
regards
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informat
= -1 EINVAL (Invalid argument)
kill(11035, SIGKILL) = 0
ptrace(PTRACE_KILL, 11035, 0xb328, 0xa000ec42) = 0
Segmentation fault
As UML kernel I use a plain 2.6.12 kernel from kernel.org;
The host system runs on Fedora Core 3 updated to the current Version.
Yesterday I tri
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