Blaisorblade wrote:
When I try gdb-5.3.90 with uml in vanilla-2.6.10 kernel. I found a problem.
When I set a breakpoint somewhere, and after some step, uml will
always get a SIGTRAP signal and trap into gdb.
Does anyone met the same problem as me? Any known fix for it?
No, I don't think there is an
Title: Scheduling latency in UML
Has anyone measured the worst case scheduling latency in UML?
What is the main cause of process starvations in UML, To what degree is the UML scheduler is efficient?
Thanks,
Majid.
On Tuesday 03 May 2005 08:58, [EMAIL PROTECTED] wrote:
> Hi,
>
> Thanks for your answer.
>
> > Maybe this is related to the SYSEMU patch... can you use the splitout
> > version
> > and remove the SYSEMU code to verify this? Which host kernel version are
> > you using?
>
> I am really no kernel expe
On Wednesday 04 May 2005 16:49, Ian Rogers wrote:
> Jeff Dike wrote:
> >On Wed, May 04, 2005 at 10:28:28AM +0100, Ian Rogers wrote:
> >>What I'm hoping to do is to use SKAS to create a second address
> >>space I can, map, unmap, peek and poke from the first. The reason for
> >>this is to allow an e
On Tuesday 03 May 2005 01:51, Andrew Morton wrote:
> [EMAIL PROTECTED] wrote:
> > These are some trivial fixes for the x86-64 subarch module support. The
> > only potential problem is that I have to modify
> > arch/x86_64/kernel/module.c, to avoid copying the whole of it.
> >
> > I can't use it ver
On Tuesday 03 May 2005 18:32, Anthony Brock wrote:
> Well, debug information didn't seem to have any positive effect. Here are
> the additional configure parameters I turned on:
>
> CONFIG_DEBUG_KERNEL=y
> CONFIG_DEBUG_INFO=y
> CONFIG_FRAME_POINTER=y
>
> Let me know if I'm missing something or need
Martin Schwidefsky wrote:
I talked with Uli about the problem and we came up with a more
elegant solution. We already have a debugger specific code in
do_signal that sets up the registers for system call restarting
BEFORE calling the debugger. Only if the debugger did not change
the restart psw and
> Yes. That's what I suggested as a "special magic number". Only if that magic
> is written as syscall number at the first interception, syscall_trace() would
> modify regs->trap to -1.
> Currently my patch uses -1 as the magic number, but there might be better
> choices.
>
> > 3) -Eyyy, skip the
Okay, I've now recompiled the host kernel to include debugging information. I
now get the following:
myserver:~#
Program received signal SIGSEGV, Segmentation fault.
chan_interrupt (chans=0x4013a3cc, task=0x4013a3fc, tty=0xbc1c000, irq=2) at
arch/um/drivers/chan_kern.c:535
535 arch/um/drive
Jeff Dike wrote:
On Wed, May 04, 2005 at 10:28:28AM +0100, Ian Rogers wrote:
What I'm hoping to do is to use SKAS to create a second address
space I can, map, unmap, peek and poke from the first. The reason for
this is to allow an emulator to live in the first address space and the
emulated d
On Wed, May 04, 2005 at 10:28:28AM +0100, Ian Rogers wrote:
> What I'm hoping to do is to use SKAS to create a second address
> space I can, map, unmap, peek and poke from the first. The reason for
> this is to allow an emulator to live in the first address space and the
> emulated data... to li
Hi,
I'm relatively new to this but I've not found any information in the
FAQ... What I'm hoping to do is to use SKAS to create a second address
space I can, map, unmap, peek and poke from the first. The reason for
this is to allow an emulator to live in the first address space and the
emulated
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