an you push the site to CVS? Thanks
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did it immediately. People are nice... we just need to
advertise that site.
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R
hill.com/) as distribution
center... how much of you didn't ever know it exists? Well, it being so
unknown is the biggest bug we experience now.
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but if Jeff was getting problems with
signals (!), it does not make sense
> With the exception that we'll have three skas versions to support
> once skas4 is done: skas3old, skas3new + skas4.
> I'd prefeare to get skas4 out of the door quickly, and also see that
> one m
On Thursday 04 November 2004 21:33, Sam Ravnborg wrote:
> On Thu, Nov 04, 2004 at 01:39:13AM +0200, BlaisorBlade wrote:
> > On Saturday 11 September 2004 20:27, Sam Ravnborg wrote:
> >
> > General kbuild issues:
> > 1) LDFLAGS_name.o should be applied even when
On Sunday 05 December 2004 21:00, Steve Schmidtke wrote:
> Blaisorblade wrote:
> >It is apparent that something is wrong with uml_switch (though I don't
> > know the code and I'm not going to express technical opinion, only
> > "management" one).
> Y
ach from
> a uml_switch at will through the monitor socket. A hook to filter packets
> entering uml_switch and a new function to inject packets (with/without
> updating MAC tables) might be all that's necessary. All your traffic
&g
line SINGLESTEP fixes in 2.6.9 (or which
could be discussed).
Sorry for being so late (I'd say "Call me a lamer" :-) ) in discussing this,
but I hadn't the time to study patches and realize this.
> Bodo
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On Saturday 04 December 2004 23:57, Sven Köhler wrote:
> > http://www.user-mode-linux.org/~blaisorblade/patches/guest/uml-2.6.9-bb4/
> runs stable now for about 24 hours, longer than any version before ;-)
Any -bb version you mean, I hope.
Including security fixes (which I had left to
On Monday 06 December 2004 21:13, Blaisorblade wrote:
> On Saturday 04 December 2004 23:57, Sven Köhler wrote:
> But since the first reports I got were just about trivial issues which were
> easily fixed (I got *real* bug-reports much later), I just thought it was
> ok (and I wa
t point onwards.
>
> That applies for some of the other channels too, so part of the code should
> probably be abstracted a little and generalized.
>
> Signed-off-by: Chris Wedgwood <[EMAIL PROTECTED]>
> Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[EMAI
mplaint is correct.
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Trivial fix attached. A less
trivial fix, i.e. uml-depend-out-main-block-Kconfig.patch, cleaning things up
definitely (i.e. going to drop arch/um/Kconfig_block , which is a selected
duplicate of what's in drivers/block/Kconfig), is attached too.
> -Chris
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On Tuesday 07 December 2004 07:25, Blaisorblade wrote:
> On Tuesday 07 December 2004 06:47, Christopher S. Aker wrote:
> > > Since somebody (maybe Christopher Aker) said that parallel make was
> > > broken in 2.6.10-rc, I'm asking to report it in detail, if the
- if it becomes slow after running some UMLs, then SKAS is probably at fault.
Not otherwise.
- also, I guess that you'll have the performance hit even without SKAS patch
applied. Make sure not to change the kernel configuration!
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Linux registered u
On Sunday 12 December 2004 01:11, Michael Richardson wrote:
> >>>>> "Blaisorblade" == Blaisorblade <[EMAIL PROTECTED]> writes:
>
> Blaisorblade> My only advice is to start packaging at least the
> Blaisorblade> initial work... Michae
tention. Maybe they looked like a random idea for ptrace() without much
uses (I marketed those patches as generally useful, rather than being about
UML); also I didn't CC Roland McGrath, the ptrace maintainer.
> > case 2: we can confine changes into a very few specific functions. It
On Monday 13 December 2004 14:00, Bodo Stroesser wrote:
> Blaisorblade wrote:
> > On Friday 10 December 2004 17:45, [EMAIL PROTECTED] wrote:
> >>From: Bodo Stroesser <[EMAIL PROTECTED]>
> >>
> >>make arch/um/kernel/skas/include/skas.h include asm/types.h
&
, but i thought
> i'd bring it up and see if you think i'm way off my rocker or if i have a
> point.
> thank you all for keeping at it.
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--
-
> 1 files changed, 27 deletions(-)
This one could be correct (I think yes, but I haven't checked), but the other
ones aren't.
In fact, they are referenced by way of symlinks (i.e. archparam-i386.h is
symlinked as archparam.h, for instance from your patch #3).
Bye
--
Pa
occuring?
> or even to just flush it? (other than umount)
Hmmm, I don't know this... probably giving "sync" inside UML should work.
I remember that Jeff said that he made hostfs asynchronous in those releases
on purpose (for performance, IIRC), and this is not bad.
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Paolo G
On Thursday 30 December 2004 05:16, Michael Richardson wrote:
> >>>>> "Blaisorblade" == Blaisorblade <[EMAIL PROTECTED]> writes:
> >> I'm running 2.4.26-um3. I happen to be running hostfs with NFS
> >> underneath. I get core d
n the middle)...
I've added it to my TODO-list, so I hope not to forget it... but it is getting
too long :-(. It's not obvious because I want to check properly that there is
no bad side effect of that...
Bye
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Linux registere
, because UML deletes the file by itself...
(See my other mail for more details).
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is getting better,
> > but still isn't the most stable and reliable kernel. Right now, the
> > most stable I've found is using 2.6.9 from kernel.org, with the -bb4
> > patches from
> > http://www.user-mode-linux.org/~blaisorblade/patches/guest/uml-2.6.9-bb4/
>
&
all_tt
> syscall_handler_tt
> unblock_signals
> sig_handler_common
> set_user_mode
> sig_handler
> __restore
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---
ry, a little question: against what tree does it apply?
I cannot apply it locally, but I see that it should apply on top of Gerd
Knorr's terminal cleanup patch, which introduces the bug.
I hope I'll not forget it...
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Paolo Giarrusso, aka Blaisorblade
Linux registered u
You think that for_each_cpu() only iterates over online CPU, while you should
use for_each_online_cpu() for this purpose.
http://user-mode-linux.sourceforge.net/work/current/2.6/2.6.10-mm2/patches/for-each-cpu-akpm
Bye
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Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729
http
ile descriptors, hence they controlling tty sends the kill
> Well, usually, once the system is properly initialized, ^C does
> nothing. If you get a kernel panic/hang, I usually have to use kill from
> another window.
Yes, that's because it t
same thing) as:
err = do_statfs(HOSTFS_I(sb->s_root->d_inode)->host_filename,
So, could you double-check? I'll also try to reproduce it, if possible.
Bye
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Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729
ht
On Wednesday 12 January 2005 17:55, Michael Richardson wrote:
> >>>>> "Blaisorblade" == Blaisorblade <[EMAIL PROTECTED]> writes:
>
> Rob> Chapter 5 of current variants of LFS uses the host system to
> Rob> create a toolchain you can chroo
ecoverytools and dumping out files they
> found). The UML-kernel itself is 2.6.10-rc3-mm1 with the patch-set from
> the web-pages dated back 1-2 weeks ago.
> Stian
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-- Forwarded Message --
Subject: Re: [uml-user] Exporting kernel symbols.
Date: Wednesday 12 January 2005 18:39
From: Dave Mielke <[EMAIL PROTECTED]>
To: Blaisorblade <[EMAIL PROTECTED]>
[quoted lines by Blaisorblade on 2005/01/12 at 18:25 +0100]
>However,
I'm not so sure, because IIRC that problem give a verbose error
message (I think even a stack trace).
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member, one uml_switch can manage one socket, and on that socket
you can attach as many UMLs as you like.
> 2. Is it possible to attach the uml switch with multiple tap devices??
Not necessary I think... the Uml_switch can use the tap device to forward the
traffic to the host network.
--
Paolo
maintained /etc/mtab file in that filesystem. /etc/mtab is symlinked to
> /proc/mounts
Ok, understood, but the duplicate entry still seems a bit strange...
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Aker for the 2.4 backport of the fix).
Bye
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noltrato (fine)
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(unsigned long)(long)(-300*HZ)
or
(unsigned long)(-300L*HZ)
so that the number is first sign-extended and then casted to unsigned.
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Linux registered user n. 292729
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Bye
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l "search and replace"
USERMODE -> UML.
It's ok, I'll do it on top of these patches I sent.
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ps my work. Thanks a lot for it.
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080/linux-2.5/[EMAIL PROTECTED]
I.e, the "Code Tidying" patch still on the incrementals.
In fact, including both linux/ptrace.h and sys/ptrace.h is not redundant - it
must also be done in the proper order, so I'm writing a patch with the
appropriate content.
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Paolo Giarrusso, aka
managing ones already exist.
So, I've done a patch for both things and I'm posting it - preserve the
comment I added about those headers in your polished version which you'll
merge.
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Linux registered
;m
posting it here to avoid forgetting it:
/*
* user-visible error numbers are in the range -1 - -128: see
*
*/
But in include/asm-generic/errno.h, there is a problem:
#define EKEYREVOKED 128 /* Key has been revoked */
#define EKEYREJECTED129 /* Key was rejected by service
, rather than
release management - however I hope to learn to manage my time better.
Bye
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Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade
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On Thursday 13 January 2005 21:22, Blaisorblade wrote:
> On Thursday 13 January 2005 23:06, Jeff Dike wrote:
> > [EMAIL PROTECTED] said:
> > > Ok, what you'd like is an additional patch however, because
> > > CONFIG_USERMODE has existed for ages, so for
oding the UML, it crashes within a second.
I wasn't able to riproduce it... I ran two instances of the above loop + a
ping flood from the host, but it didn't crash UML, even after letting it that
way for some minutes.
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Linux registered user n. 292729
h
with two different host kernels, an
> older 2.6.4, and the newest 2.6.10+skas-v7. Guest kernels that crash that
> I've tried include 2.6.9-bb4, 2.6.10, and 2.6.10-mm2 plus the incrementals
> from yesterday. Also, I believe Frank Sorenson is also able to reproduce
> this
en if this one was a special case,
having to merge tens of invasive patches for security purposes is not nice)
to merge big things only before -rc1 and -rc2, since after those releases
things must calm down. This recommendation must be updated with changes in
the release cycle followed by Linus, o
G options, which is always 0
except if SKAS mode is disabled)
is ignored, because of the subsequent:
mode_tt = force_tt ? 1 : !can_do_skas();
So we can probably get rid of DEFAULT_TT. I'll do this in the future.
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Linux registered user n. 292729
On Thursday 13 January 2005 06:12, Blaisorblade wrote:
> Well, effectively your reasoning holds, apart for one point: the code
> should not hang because of that large INITIAL_JIFFIES. What we care about
> are only the value of jiffies relative to INITIAL_JIFFIES, indeed.
>
> In
more -e options for the same programs, to have
it clearer... however I had problems to do it in the Makefile, so I
Please double-check that the patch works with your busybox sed implementation,
and compare the original and the new obtained config.c carefully, since the
sed code you supplied wasn'
e.
> Seems to me that IP is refusing to fragment the udp datagrams, and drops
> them.
I've debugged this with ethereal and the result was that the checksum, in the
case of fragmented packets, was wrong - so the receiving side dropped the
packets...
Bye
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Paolo Giarrusso, aka Blaisor
is case (they cause early breakage in the boot).
> Query: is a 2.6.10-bb likely in future, or should I just try -bk or -mm or
> some such?
Watch the site, there will be upgrades on this... raw 2.6.10 isn't good for
UML... however the first 2.6.10-bb probably won't be better / stable
ne (including me) was happy.
What do you mean by "a nudge"? *pos++?
> Not the proper solution
> but good enough for me for the time being.
Well, at least this sheds *some* light... not still clear what's happening,
but something more to work on... And if you can tel
http://www.businesswire.com/cgi-bin/f_headline.cgi?bw.011705/250175195
They also speak about giving back to the UML development community... let's
start waiting.
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On Thursday 20 January 2005 00:14, Blaisorblade wrote:
> http://www.businesswire.com/cgi-bin/f_headline.cgi?bw.011705/250175195
>
> They also speak about giving back to the UML development community... let's
> start waiting.
Yes, Jeff confirmed he received it.
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Paolo Giarrusso,
finite number of received
SIGSEGVs. Inside the couple of patches, there is exactly this problematic
change.
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surely ok, I don't remember if stock 2.6.9 already has the fix). The fix
has not yet been backported to 2.4 (although it's easy).
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7;s not your case.
(The host kernel being 2.6.9 is unrelated to the swapping inside the guest).
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On Thursday 20 January 2005 04:52, Rob Landley wrote:
> On Wednesday 19 January 2005 07:07 pm, Blaisorblade wrote:
> > What was discovered until now is this:
> >
> > The relation is obviously hidden somehow... however I sent on the
> > uml-devel list a couple of pa
> in sysemu.
> Gerd
I've already solved those conflict earlier on -rc1 (not tested) but I didn't
polish it out yet... if you are in a hurry, I can finish it and post the
result today on the ML. If not, I'll publish it later.
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Linu
ns with them. What's
> strange is that the crash happens within TT mode, not within SKAS mode. And
> rather than a crash, it's a hang, due to an infinite number of received
> SIGSEGVs. Inside the couple of patches, there is exactly this problematic
> change.
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Paolo Giarruss
On Friday 21 January 2005 19:18, Rob Landley wrote:
> On Friday 21 January 2005 07:35 am, Blaisorblade wrote:
> > > Ooh, ooh! Hang in TT mode is what I'm seeing with my makefile hang.
> > > (sh -x dosn't help if the makefile doesn't call out to stuff with it
ccessfully?) some x86_64 umls...
However, consider it still as a developer-only tool for now. 2.6.11 could
effectively be a good x86_64 tree, but do not yet use it for anything
critical.
Clearly, 32-bit UMLs run well on x86_64 boxes, but don't have the 6
cal memory), but the kernel is basically doing something very
> > like the old DOS expanded memory behind the scenes, swapping around page
> > tables so each process sees a different set of physical memory. pages
> > (The overhead isn't quite so bad since it's doing that an
al mappings, i.e. 128M of vmalloc()ed memory).
You'd probably prefer to use the 4G/4G patch from Ingo Molnar, integrated into
Fedora kernels, to allow processes to use 4G of virtual address space.
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Paolo Giarrusso, aka Blaisorblade
Linux reg
On Saturday 22 January 2005 17:34, Rob Landley wrote:
> On Friday 21 January 2005 02:58 pm, Blaisorblade wrote:
> > That is -mm1, I've already looked at both... the patches listed below are
> > minor fixes / improvements...
> >
> > The name of the 2.6.11-rc1-mm2
list.
> Thanks for your work!
Thanks to you for using UML!
> Marcus B.
>
> [1] http://www.ati.com/support/drivers/linux/radeon-linux.html
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On Tuesday 25 January 2005 09:35, Marcus Better wrote:
> Blaisorblade wrote:
> > I.e. the compilation problem is not in the kernel module, right?
>
> Yes, the compilation error is in compiling the fglrx module.
Ok, unexpected.
> > In this case, the problem is that you
slow
> might open such race windows wide enougth that one actually hits them.
Yes, my only doubt was that he seemed to mean that the guest was swapping, and
*this* different situation would have the opposite effect, probably.
> The uml-terminal-cleanup patch doesn't touch how
On Tuesday 25 January 2005 11:55, Marcus Better wrote:
> Blaisorblade wrote:
> > *strange* that a kernel module uses the "_syscall" macro to do a syscall
> > with "int 0x80" while already being in kernelspace...
>
> It's interesti
On Tuesday 25 January 2005 11:16, Rob Landley wrote:
> On Tuesday 25 January 2005 05:16 am, Blaisorblade wrote:
> > > > > I'm using stdin/stdout as the console. (And even though you put it
> > > > > into raw mode, I still can't ctrl-c out of
-- Forwarded Message --
Subject: Re: [uml-devel] SIGSEGV and SA_NODEFER
Date: Tuesday 25 January 2005 09:45
From: Gerd Knorr <[EMAIL PROTECTED]>
To: Blaisorblade <[EMAIL PROTECTED]>
> > binutils-2.14/ld/testsuite/ld-sparc/tlssunbin64.dd
> > binutils-2.
On Tuesday 25 January 2005 18:30, Rob Landley wrote:
> On Tuesday 25 January 2005 06:40 am, Blaisorblade wrote:
> > > Host is swapping, client configured without even support for swap. (If
> > > I can get the darn client vmlinux down to 1 megabyte, I'd be thrilled.
>
, vaddr);
Please correct... and always try to proof-read each patch you write...
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On Tuesday 25 January 2005 20:30, Rob Landley wrote:
> On Tuesday 25 January 2005 02:34 pm, Blaisorblade wrote:
> > > Once I get /dev on ramfs managed by udev? Not really, no. I need the
> > > permissions to be right, but just about everything else should belong
> > &
On Tuesday 25 January 2005 22:54, Michael Halcrow wrote:
> On Thu, Nov 18, 2004 at 06:39:26PM +0100, Blaisorblade wrote:
> > On Thursday 18 November 2004 17:09, Michael Halcrow wrote:
> > Ok, please list the new syscalls - I see at least add_key() and
> > request_key() too
and to do some kind of Quality Assurance (i.e. especially
answering to the various important discussions, which I do even to discover
bugs not recognized by who saw them) is making impossible for me to do actual
work... my development speed is slowing down too much.
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Paolo Giarrusso, aka Blai
and report the result in both
situations, together with your .config and host / guest datas, command line,
output and so on.
Bye
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Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade
--
On Tuesday 25 January 2005 23:46, Michael Halcrow wrote:
> On Tue, Jan 25, 2005 at 11:37:57PM +0100, Blaisorblade wrote:
> > On Tuesday 25 January 2005 22:54, Michael Halcrow wrote:
> > > On Thu, Nov 18, 2004 at 06:39:26PM +0100, Blaisorblade wrote:
> >
> > Well, it s
A driver was they also had a userspace
part to link with X11.
(1) legitimate means "ugly hack which can make sense with non-GPL modules,
i.e. does not make sense anyway". I'm not flaming ATI / NVIDIA, let's leave
this duty to people with more spare time.
--
Paolo Giar
arch/um/Kconfig_arch is actually a symlink, so
* Remove it from the tree.
* Make sure it is removed during make mrproper.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[EMAIL PROTECTED]>
---
linux-2.6.11-paolo/arch/um/Makefile |8 ++--
linux-2.6.11/arch/um/Kconf
EP (I was maybe misguided by the "using it
to check the host kernel correctness" hack we need to use).
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be merged... no new features, no code
cleanups (especially NOT the Makefiles cleanups)...
- concentrate on stability... and on backing out the hostfs rewrite.
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Linux registered user n. 292729
http://www.user-mode-linux.or
other work). See my other mail. Not
that it is a bug of the SKAS patch or of the ATI module alone.
For the GPL issue, you should probably ask to LKML (or post a letter to
LWN.net about this issue - they could maybe publish it and you'd see the
comments) or on slashdot.org (which is actua
wise would use the 2.6 tree.
So, actually, we cannot debug invasive patches on 2.4: you need lots of users
testing and reporting about them and helping to narrow down possible bugs.
So, for instance, it would be useless to backport the /proc/sysemu feature
(which was a bit tricky to get right on
o fix the problem.
You should also have modified the reference inside arch/i386/kernel/ptrace.c.
I'm doing compilation-testing of the attached patch, which seems to be good
(it is not the kind of patch easy to get wrong, however).
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Linux registered
Ok, I've uploaded the first prerelease of SKAS3 V8... It's uploaded on the
web-site, you can start playing for it if you want:
http://www.user-mode-linux.org/~blaisorblade/patches/skas3-2.6/skas-2.6.9-v8-rc1/
if you want, impressions are welcome I've not yet tested it thor
forward connection to another X system (on which you have to authorize TCP
connections from the UML system). Then it should work, more or less.
> I am running Red Hat Linux 9 2.4.20-8
> User mode Linux Patch 2.4.27-1
> Remote Terminal Putty
On windows? well, there are also Xservers on Windows (
On Wednesday 26 January 2005 15:33, Alex LIU wrote:
> Hi,Blaisorblade:
> I have studied the TT mode of UML source code 2.6.7 for some time.But I
> still can't work out the system call function flow in TT mode.I have read
> some documents and comments on that but all of th
On Wednesday 02 February 2005 16:29, Alex LIU wrote:
> Hi,Blaisorblade. You wrote:
> >do_syscall is called, and then this is done:
> >
> >sig = SIGUSR2;
> >tracing = 0;
> >... after, this saves t
On Tuesday 01 February 2005 17:27, you wrote:
> With the problems we had with 2.6.9 as a host, I was wondering why
> Blaisorblade chose it when he released skas-v8-rc1.
I wondered too :-), however the reason was just that I wanted to get it out
for early review... I've then been busy
ernel BUG at sched.c:564!".
> >>_Conclusion_
> >>
> >>If such a simple pair of commands as this causes such devastating
> >>consequences, it seems the 2.4.27 kernel sched.c line 564 needs to be
> >>taken a look at - unless, that is, Jeff Dike's rece
user inside UML can create file
as the user running UML, in hostfs, even if that is root - that is not
considered to be a problem. I had tried to creat() a file with the S_ISUID
(i.e. to make it suid) hoping that UML would have created a setuid file (as
root since I ran UML as root), but the tes
/urandom bug, before realizing that the
problem is in some code related to the urandom driver... the reported panic
is just a "scheduling in interrupt" one. It means also that the problem is
due probably to something in UML that is used by the driver. Suggestions:
- timin
From: Greg Furlong <[EMAIL PROTECTED]>
To: Blaisorblade <[EMAIL PROTECTED]>
I have sshd running on the Linux machine and then i tried to run port
forwarding through putty on port 5900. I then ran the command export
DISPLAY=host-ip.
I then used tightVNC to connect to the ip address that i had
to the tree, i.e. arch/um/Kconfig_arch).
I'm resending it, too, as plain-text attachment. Please apply.
Thanks and regards
--
Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade
arch/um/Kconfig_arch is actually a symlink, so
* Remove it
From: Jeff Dike <[EMAIL PROTECTED]>, Paolo 'Blaisorblade' Giarrusso <[EMAIL
PROTECTED]>
Initialize jiffies_64 to INITIAL_JIFFIES.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[EMAIL PROTECTED]>
---
linux-2.6.11-paolo/arch/um/kernel/time_kern.c |2
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