On Wednesday 17 May 2006 04:39, Alberto Bertogli wrote:
> On Tue, May 16, 2006 at 03:12:44PM -0400, Jeff Dike wrote:
> > On Mon, May 15, 2006 at 12:29:58PM -0300, Alberto Bertogli wrote:
> > > Sure, here it is:
> > > (gdb) disas stub_segv_handler
> >
> > Sorry, I misread the error message and asked
On Saturday 13 May 2006 19:40, Steven James wrote:
> Greetings,
>
> I have been working on a few experimental system calls using a ptrace
> mechanism similar to UML to implement the calls. Naturally this lead me to
> look at PTRACE_SYSEMU vs. PTRACE_SYSCALL. Since the extra system calls are
> imple
On Tue, May 16, 2006 at 03:12:44PM -0400, Jeff Dike wrote:
> On Mon, May 15, 2006 at 12:29:58PM -0300, Alberto Bertogli wrote:
> > Sure, here it is:
> > (gdb) disas stub_segv_handler
>
> Sorry, I misread the error message and asked for the wrong thing.
> Your UML is seeing a process segfault durin
On Mon, May 15, 2006 at 12:29:58PM -0300, Alberto Bertogli wrote:
> Sure, here it is:
> (gdb) disas stub_segv_handler
Sorry, I misread the error message and asked for the wrong thing.
Your UML is seeing a process segfault during a system call, before the
SIGTRAP expected at the end of the system c
On Mon, May 15, 2006 at 12:39:48PM +0200, Blaisorblade wrote:
> The error message is different. However, I can't exclude there is the same
> root cause acting in a different way, but I've now debugged this a bit and
> this seems unlikely.
Have you learned anything?
See the register dumping patc
On Tue, May 16, 2006 at 08:09:39PM +0200, Mattia Dongili wrote:
> > More a bug. We are considering ways of detecting the host vmsplit at
> > run time and adapting to it, but added back the CONFIG_HOST_2G_2G as
> > an interim measure.
>
> Thanks, will enable it in the .17 release of the debian pac
On Friday 12 May 2006 22:08, Mattia Dongili wrote:
> Hello UML developers,
>
> I received the following bugreport for 2.6.16 UML running on a 2.6.16
> host (both are debian packages). I found a similar report on a french
> site[1], it seems to be the same problem.
>
> Can you help putting some ligh
On Mon, May 15, 2006 at 09:23:19PM -0400, Jeff Dike wrote:
> On Mon, May 15, 2006 at 09:55:09PM +0200, Mattia Dongili wrote:
> > Does this mean that UML will run on a non-standard-vm-split _only_ if
> > the host has CONFIG_VMSPLIT_2G=y ?
>
> The question is not clear. The host will only have a no
On Tue, 16 May 2006, Jeff Dike wrote:
> On Sat, May 13, 2006 at 01:40:48PM -0400, Steven James wrote:
> > The patch below for x86_64 implements a scheme where a ptraced system call
>
> U, so where's the patch?
>
I suppose it WOULD help to actually send it:
diff -urN linux-2.6.12.2-nimbus1/ar
On Mon, May 15, 2006 at 12:08:58PM +0200, Mattia Dongili wrote:
> Oh, I found
> CONFIG_PAGE_OFFSET=0xB000
>
> may this be the problem? I found reports telling it broke other SW:
> http://lists.debian.org/debian-kernel/2006/04/msg00042.html
Yup, that's the problem. They did spring a split cha
On Sat, May 13, 2006 at 01:40:48PM -0400, Steven James wrote:
> The patch below for x86_64 implements a scheme where a ptraced system call
> is skipped if the ptrace thread sets a return value (in RAX) when it
> handles the syscall entry. Otherwise things proceed normally.
U, so where's the pa
On Wed, May 10, 2006 at 03:08:18AM -0500, Christopher S. Aker wrote:
> 2.6.16 + bb1
>
> Kernel panic - not syncing: Kernel mode fault at addr 0x8780, ip
> 0x47b0
>
> EIP: 0073:[<47b0>] CPU: 0 Not tainted ESP: 007b:bfe19380 EFLAGS:
> 0212
> Not tainted
> EAX: EBX: 00
On Mon, May 15, 2006 at 12:08:58PM +0200, Mattia Dongili wrote:
> did you mean .17-rc4? Debian kernels contain very little modifications,
> and usually track upstream very closely.
Yes I did, sorry.
Jeff
---
Usi
On Mon, May 15, 2006 5:44 am, Jeff Dike said:
> On Fri, May 12, 2006 at 10:08:06PM +0200, Mattia Dongili wrote:
>> > kjournald starting. Commit interval 5 seconds
>> > EXT3-fs: mounted filesystem with ordered data mode.
>> > VFS: Mounted root (ext3 filesystem) readonly.
>> > mapping mmap stub fail
On Mon, May 15, 2006 at 08:39:54AM -0400, Jeff Dike wrote:
> On Mon, May 15, 2006 at 12:08:58PM +0200, Mattia Dongili wrote:
> > Oh, I found
> > CONFIG_PAGE_OFFSET=0xB000
> >
> > may this be the problem? I found reports telling it broke other SW:
> > http://lists.debian.org/debian-kernel/2006/
Greetings,
I have been working on a few experimental system calls using a ptrace
mechanism similar to UML to implement the calls. Naturally this lead me to
look at PTRACE_SYSEMU vs. PTRACE_SYSCALL. Since the extra system calls are
implemented entirely by the ptrace thread it seems a shame to take
On Sun, May 14, 2006 at 03:25:41PM -0300, Alberto Bertogli wrote:
> So I copied them from sysdeps/x86_64/jmpbuf-offsets.h, and building went
> on. Probably, the same happens under i386.
The current patch for this is
http://user-mode-linux.sourceforge.net/work/current/2.6/2.6.17-rc4/patches/jmpbuf
On Sun, May 14, 2006 at 11:39:19PM -0400, Jeff Dike wrote:
> On Sun, May 14, 2006 at 03:25:41PM -0300, Alberto Bertogli wrote:
> > So I copied them from sysdeps/x86_64/jmpbuf-offsets.h, and building went
> > on. Probably, the same happens under i386.
>
> The current patch for this is
> http://use
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