[uml-devel] Child exit when booting uml 2.4.20 on 2.6.0-test4 host

[uml-devel] Child exit when booting uml 2.4.20 on 2.6.0-test4 host

[Etay Meiri]

Hi,

I have been running a UML kernel version 2.4.20 on a RH9
host with kernel 2.4.20-8. Everything is working properly in
that environment. Now that I've upgraded the host system to
2.6.0-test4 I can't boot that same UML kernel as before.
I get the following error:

Checking root filesystem
/dev/ubd/0: clean, 43713/75520 files, 136981/151040 blocks
[/sbin/fsck.ext3 (1) -- /] fsck.ext3 -a /dev/ubd/0
[  OK  ]
Remounting root filesystem in read-write mode:  [  OK  ]
Activating swap partitions:  [  OK  ]
Finding module dependencies:  [  OK  ]
Checking filesystems
Checking all file systems.
[  OK  ]
Mounting local filesystems:  Child 15433 exited with signal 11

The uml fs seems to be ok because I can mount it as a loop device
in the host system.

This is the command line I use for running UML:

./linux-2.4.20 ubd0=./root_fs_rh_9 mem=48M 
eth0=ethertap,tap1,,192.168.1.13 con=pty con0=fd:0,fd:1

TIA,

-- 
--------------------------------
Etay Meiri
etay-m@bezeqint.net
--------------------------------



-------------------------------------------------------
This sf.net email is sponsored by:ThinkGeek
Welcome to geek heaven.
http://thinkgeek.com/sf
_______________________________________________
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel

Re: [uml-devel] Child exit when booting uml 2.4.20 on 2.6.0-test4 host

[Etay Meiri]

Jeff Dike wrote:
> etay-m@bezeqint.net said:
> 
>>Mounting local filesystems:  Child 15433 exited with signal 11 
> 
> 
> Try it with the latest patch.  It should be fixed - I applied a different
> fix from the one suggested by Michael Young.
> 
> 				Jeff
> 
> 

I tried it with patch 2.6.0-test3-1 (from Aug 15). Isn't that
the latest one?


-- 
--------------------------------
Etay Meiri
etay-m@bezeqint.net
--------------------------------



-------------------------------------------------------
This sf.net email is sponsored by:ThinkGeek
Welcome to geek heaven.
http://thinkgeek.com/sf
_______________________________________________
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel

Re: [uml-devel] Child exit when booting uml 2.4.20 on 2.6.0-test4 host

[Jeff Dike]

etay-m@bezeqint.net said:
> I tried it with patch 2.6.0-test3-1 (from Aug 15).

No, I've released a whole lot of patches since then.

				Jeff



-------------------------------------------------------
This sf.net email is sponsored by:ThinkGeek
Welcome to geek heaven.
http://thinkgeek.com/sf
_______________________________________________
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel

Re: [uml-devel] Child exit when booting uml 2.4.20 on 2.6.0-test4 host

[M A Young]

> etay-m@bezeqint.net said:
> > I tried it with patch 2.6.0-test3-1 (from Aug 15).
>
> No, I've released a whole lot of patches since then.

Yes, several 2.4 patches, a uml_utilities, an RH8 skas patch, but no 2.6.0
patch - test3-1 is still the most recent.

	Michael Young



-------------------------------------------------------
This sf.net email is sponsored by:ThinkGeek
Welcome to geek heaven.
http://thinkgeek.com/sf
_______________________________________________
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel

Re: [uml-devel] Child exit when booting uml 2.4.20 on 2.6.0-test4 host

[Christopher J Carella]

> Yes, several 2.4 patches, a uml_utilities, an RH8 skas patch, but no 2.6.0
> patch - test3-1 is still the most recent.

I see

uml-patch-2.6.0-test5-1.bz2                  09-Sep-2003 18:23    52k  

so test3 is not the most recent

cheers
Chris

-- 
+--------------------------------------------------------------+
Christopher J Carella <ccarella@ists.dartmouth.edu>
Security Research Engineer
Institute for Security Technology Studies
Dartmouth College
(603) 219-6555
gpg: 1024D/0082DFB1: 2E9B 280E A7F6 29C6 5FD0  BFBF E4C6 5C64 0082 DFB1

"Don't be too proud of this technological terror you've constructed. The ability to destroy a planet is insignificant next to the power of the Force."
  -- Darth Vader





-------------------------------------------------------
This sf.net email is sponsored by:ThinkGeek
Welcome to geek heaven.
http://thinkgeek.com/sf
_______________________________________________
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel

Re: [uml-devel] Child exit when booting uml 2.4.20 on 2.6.0-test4 host

[M A Young]

On Wed, 10 Sep 2003, Christopher J Carella wrote:

> > Yes, several 2.4 patches, a uml_utilities, an RH8 skas patch, but no 2.6.0
> > patch - test3-1 is still the most recent.
>
> I see
>
> uml-patch-2.6.0-test5-1.bz2                  09-Sep-2003 18:23    52k
>
> so test3 is not the most recent

That appeared shortly after I posted the message, though the bug in
question isn't fixed in that patch either.

	Michael Young


-------------------------------------------------------
This sf.net email is sponsored by:ThinkGeek
Welcome to geek heaven.
http://thinkgeek.com/sf
_______________________________________________
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel

Re: [uml-devel] Child exit when booting uml 2.4.20 on 2.6.0-test4 host

[M A Young]

On Mon, 8 Sep 2003, Jeff Dike wrote:

> Try it with the latest patch.  It should be fixed - I applied a different
> fix from the one suggested by Michael Young.

My limited testing suggest the problem is indeed fixed in 2.4.22-3um (and
presumably in -2um as well though I haven't tried it).

	Michael Young


-------------------------------------------------------
This sf.net email is sponsored by:ThinkGeek
Welcome to geek heaven.
http://thinkgeek.com/sf
_______________________________________________
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel

Re: [uml-devel] Child exit when booting uml 2.4.20 on 2.6.0-test4 host

[BlaisorBlade]

Alle 22:03, venerdì 12 settembre 2003, M A Young ha scritto:
> On Mon, 8 Sep 2003, Jeff Dike wrote:
> > Try it with the latest patch.  It should be fixed - I applied a different
> > fix from the one suggested by Michael Young.
>
> My limited testing suggest the problem is indeed fixed in 2.4.22-3um (and
> presumably in -2um as well though I haven't tried it).
I could see the bug with 2.6.0-test4/test5, and for me, too it was solved 
using 2.4.22-3um. So that's ok.
About 2.6, there is a little patch to implement in the uml_utilities, since 
insmod tun doesn't work any more with the new module-init-tools. That must 
change to modprobe tun. That is, replace "insmod" by "modprobe"(including 
quotes!) all over uml_net/ethertap.c and uml_net/tuntap.c. If you have little 
time, I can post this together with a patch to the spec file which is again 
out of date(some files are not listed).
-- 
cat <<EOSIGN
Paolo Giarrusso, aka Blaisorblade
Linux Kernel 2.4.21/2.6.0-test on an i686; Linux registered user n. 292729
EOSIGN



-------------------------------------------------------
This sf.net email is sponsored by:ThinkGeek
Welcome to geek heaven.
http://thinkgeek.com/sf
_______________________________________________
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel

Re: [uml-devel] Child exit when booting uml 2.4.20 on 2.6.0-test4 host

[M A Young]

[-- Attachment #1: Type: TEXT/PLAIN, Size: 332 bytes --]

On Sun, 14 Sep 2003, BlaisorBlade wrote:

> I could see the bug with 2.6.0-test4/test5, and for me, too it was solved
> using 2.4.22-3um. So that's ok.

If you want to try it on 2.6, I got impatient waiting for Jeff's patch to
appear in his 2.6 tree and forward ported his patch (attached), with some
minor cleanups.

	Michael Young

[-- Attachment #2: Type: TEXT/PLAIN, Size: 4910 bytes --]

diff -Naur linux-/arch/um/kernel/process.c linux+/arch/um/kernel/process.c
--- linux-/arch/um/kernel/process.c	2003-09-14 19:17:37.000000000 +0100
+++ linux+/arch/um/kernel/process.c	2003-09-14 18:05:56.000000000 +0100
@@ -229,11 +229,11 @@
 
 int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr)
 {
-	jmp_buf buf;
+	sigjmp_buf buf;
 	int n;
 
 	*jmp_ptr = &buf;
-	n = setjmp(buf);
+	n = sigsetjmp(buf,1);
 	if(n != 0)
 		return(n);
 	(*fn)(arg);
diff -Naur linux-/arch/um/kernel/skas/process.c linux+/arch/um/kernel/skas/process.c
--- linux-/arch/um/kernel/skas/process.c	2003-09-14 19:17:44.000000000 +0100
+++ linux+/arch/um/kernel/skas/process.c	2003-09-14 18:05:56.000000000 +0100
@@ -184,12 +184,12 @@
 void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr,
 		void (*handler)(int))
 {
-	jmp_buf switch_buf, fork_buf;
+	sigjmp_buf switch_buf, fork_buf;
 
 	*switch_buf_ptr = &switch_buf;
 	*fork_buf_ptr = &fork_buf;
 
-	if(setjmp(fork_buf) == 0)
+	if(sigsetjmp(fork_buf,1) == 0)
 		new_thread_proc(stack, handler);
 
 	remove_sigstack();
@@ -197,12 +197,12 @@
 
 void thread_wait(void *sw, void *fb)
 {
-	jmp_buf buf, **switch_buf = sw, *fork_buf;
+	sigjmp_buf buf, **switch_buf = sw, *fork_buf;
 
 	*switch_buf = &buf;
 	fork_buf = fb;
-	if(setjmp(buf) == 0)
-		longjmp(*fork_buf, 1);
+	if(sigsetjmp(buf,1) == 0)
+		siglongjmp(*fork_buf, 1);
 }
 
 static int move_registers(int int_op, int fp_op, union uml_pt_regs *regs,
@@ -257,34 +257,34 @@
 
 void switch_threads(void *me, void *next)
 {
-	jmp_buf my_buf, **me_ptr = me, *next_buf = next;
+	sigjmp_buf my_buf, **me_ptr = me, *next_buf = next;
 	
 	*me_ptr = &my_buf;
-	if(setjmp(my_buf) == 0)
-		longjmp(*next_buf, 1);
+	if(sigsetjmp(my_buf,1) == 0)
+		siglongjmp(*next_buf, 1);
 }
 
-static jmp_buf initial_jmpbuf;
+static sigjmp_buf initial_jmpbuf;
 
 /* XXX Make these percpu */
 static void (*cb_proc)(void *arg);
 static void *cb_arg;
-static jmp_buf *cb_back;
+static sigjmp_buf *cb_back;
 
 int start_idle_thread(void *stack, void *switch_buf_ptr, void **fork_buf_ptr)
 {
-	jmp_buf **switch_buf = switch_buf_ptr;
+	sigjmp_buf **switch_buf = switch_buf_ptr;
 	int n;
 
 	*fork_buf_ptr = &initial_jmpbuf;
-	n = setjmp(initial_jmpbuf);
+	n = sigsetjmp(initial_jmpbuf,1);
 	if(n == 0)
 		new_thread_proc((void *) stack, new_thread_handler);
 	else if(n == 1)
 		remove_sigstack();
 	else if(n == 2){
 		(*cb_proc)(cb_arg);
-		longjmp(*cb_back, 1);
+		siglongjmp(*cb_back, 1);
 	}
 	else if(n == 3){
 		kmalloc_ok = 0;
@@ -294,7 +294,7 @@
 		kmalloc_ok = 0;
 		return(1);
 	}
-	longjmp(**switch_buf, 1);
+	siglongjmp(**switch_buf, 1);
 }
 
 void remove_sigstack(void)
@@ -309,15 +309,15 @@
 
 void initial_thread_cb_skas(void (*proc)(void *), void *arg)
 {
-	jmp_buf here;
+	sigjmp_buf here;
 
 	cb_proc = proc;
 	cb_arg = arg;
 	cb_back = &here;
 
 	block_signals();
-	if(setjmp(here) == 0)
-		longjmp(initial_jmpbuf, 2);
+	if(sigsetjmp(here,1) == 0)
+		siglongjmp(initial_jmpbuf, 2);
 	unblock_signals();
 
 	cb_proc = NULL;
@@ -328,13 +328,13 @@
 void halt_skas(void)
 {
 	block_signals();
-	longjmp(initial_jmpbuf, 3);
+	siglongjmp(initial_jmpbuf, 3);
 }
 
 void reboot_skas(void)
 {
 	block_signals();
-	longjmp(initial_jmpbuf, 4);
+	siglongjmp(initial_jmpbuf, 4);
 }
 
 int new_mm(int from)
diff -Naur linux-/arch/um/kernel/trap_user.c linux+/arch/um/kernel/trap_user.c
--- linux-/arch/um/kernel/trap_user.c	2003-09-14 19:18:10.000000000 +0100
+++ linux+/arch/um/kernel/trap_user.c	2003-09-14 18:05:56.000000000 +0100
@@ -123,9 +123,9 @@
 
 void do_longjmp(void *b, int val)
 {
-	jmp_buf *buf = b;
+	sigjmp_buf *buf = b;
 
-	longjmp(*buf, val);
+	siglongjmp(*buf, val);
 }
 
 /*
diff -Naur linux-/arch/um/kernel/tt/uaccess_user.c linux+/arch/um/kernel/tt/uaccess_user.c
--- linux-/arch/um/kernel/tt/uaccess_user.c	2003-09-14 19:18:13.000000000 +0100
+++ linux+/arch/um/kernel/tt/uaccess_user.c	2003-09-14 18:05:56.000000000 +0100
@@ -72,10 +72,10 @@
 	struct tt_regs save = TASK_REGS(get_current())->tt;
 	int ret;
 	unsigned long *faddrp = (unsigned long *)fault_addr;
-	jmp_buf jbuf;
+	sigjmp_buf jbuf;
 
 	*fault_catcher = &jbuf;
-	if(setjmp(jbuf) == 0){
+	if(sigsetjmp(jbuf,1) == 0){
 		ret = strlen(str) + 1;
 	} 
 	else {
diff -Naur linux-/arch/um/kernel/uaccess_user.c linux+/arch/um/kernel/uaccess_user.c
--- linux-/arch/um/kernel/uaccess_user.c	2003-07-27 18:05:56.000000000 +0100
+++ linux+/arch/um/kernel/uaccess_user.c	2003-09-14 18:04:00.000000000 +0100
@@ -18,9 +18,9 @@
 {
 	unsigned long *faddrp = (unsigned long *) fault_addr, ret;
 
-	jmp_buf jbuf;
+	sigjmp_buf jbuf;
 	*fault_catcher = &jbuf;
-	if(setjmp(jbuf) == 0){
+	if(sigsetjmp(jbuf,1) == 0){
 		(*op)(to, from, n);
 		ret = 0;
 		*faulted_out = 0;

Re: [uml-devel] Child exit when booting uml 2.4.20 on 2.6.0-test4 host

[Jeff Dike]

blaisorblade_spam@yahoo.it said:
> About 2.6, there is a little patch to implement in the uml_utilities,
> since  insmod tun doesn't work any more with the new
> module-init-tools. That must  change to modprobe tun. That is, replace
> "insmod" by "modprobe"(including  quotes!) all over uml_net/ethertap.c
> and uml_net/tuntap.c. 

Yup, fixed.  There were only three of them, though.

> If you have little  time, I can post this
> together with a patch to the spec file which is again  out of
> date(some files are not listed).

Send me a patch to the spec file, please.

				Jeff



-------------------------------------------------------
This SF.Net email sponsored by: ApacheCon 2003,
16-19 November in Las Vegas. Learn firsthand the latest
developments in Apache, PHP, Perl, XML, Java, MySQL,
WebDAV, and more! http://www.apachecon.com/
_______________________________________________
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel

Re: [uml-devel] Child exit when booting uml 2.4.20 on 2.6.0-test4 host

[M A Young]

[-- Attachment #1: Type: TEXT/PLAIN, Size: 276 bytes --]

jdike wrote:

>> If you have little  time, I can post this
>> together with a patch to the spec file which is again  out of
>> date(some files are not listed).
>
>Send me a patch to the spec file, please.

It is a fairly trival fix, eg. see the attached patch.

	Michael Young

[-- Attachment #2: Type: TEXT/PLAIN, Size: 1452 bytes --]

diff -Naur tools/uml_util.spec.orig tools/uml_util.spec
--- tools/uml_util.spec.orig	2003-09-03 20:35:45.000000000 +0100
+++ tools/uml_util.spec	2003-11-11 20:36:15.000000000 +0000
@@ -34,9 +34,11 @@
 #%attr(755,root,root)			%{_bindir}/mkrootfs
 %attr(755,root,root)			%{_bindir}/tunctl
 %attr(755,root,root)			%{_bindir}/uml_mconsole
+%attr(755,root,root)			%{_bindir}/uml_mkcow
 %attr(755,root,root)			%{_bindir}/uml_moo
 %attr(4755,root,root)			%{_bindir}/uml_net
 %attr(755,root,root)			%{_bindir}/uml_switch
+%attr(755,root,root)			%{_bindir}/uml_watchdog
 %attr(755,root,root)		%dir	%{_libdir}/uml
 #%attr(755,root,root)			%{_libdir}/uml/functions
 %attr(755,root,root)			%{_libdir}/uml/port-helper
diff -Naur tools/uml_util.spec.in.orig tools/uml_util.spec.in
--- tools/uml_util.spec.in.orig	2003-06-17 20:21:45.000000000 +0100
+++ tools/uml_util.spec.in	2003-11-11 20:37:24.000000000 +0000
@@ -34,9 +34,11 @@
 #%attr(755,root,root)			%{_bindir}/mkrootfs
 %attr(755,root,root)			%{_bindir}/tunctl
 %attr(755,root,root)			%{_bindir}/uml_mconsole
+%attr(755,root,root)			%{_bindir}/uml_mkcow
 %attr(755,root,root)			%{_bindir}/uml_moo
 %attr(4755,root,root)			%{_bindir}/uml_net
 %attr(755,root,root)			%{_bindir}/uml_switch
+%attr(755,root,root)			%{_bindir}/uml_watchdog
 %attr(755,root,root)		%dir	%{_libdir}/uml
 #%attr(755,root,root)			%{_libdir}/uml/functions
 %attr(755,root,root)			%{_libdir}/uml/port-helper

Re: [uml-devel] Child exit when booting uml 2.4.20 on 2.6.0-test4 host

[BlaisorBlade]

Alle 22:01, martedì 11 novembre 2003, M A Young ha scritto:
> jdike wrote:
> >> If you have little  time, I can post this
> >> together with a patch to the spec file which is again  out of
> >> date(some files are not listed).
> >
> >Send me a patch to the spec file, please.

>
> It is a fairly trival fix, eg. see the attached patch.
I've sent it to him privately already, and using wildcards, so that it doesn't 
need to be updated so frequently:

%attr(755,root,root)                   %{_bindir}/*
And if you wonder, the wildcards expands relatively to the buildroot, i.e. 
files installed by make install... I tested it and it was flawless.
-- 
cat <<EOSIGN
Paolo Giarrusso, aka Blaisorblade
Linux Kernel 2.4.21/2.6.0-test on an i686; Linux registered user n. 292729
EOSIGN



-------------------------------------------------------
This SF. Net email is sponsored by: GoToMyPC
GoToMyPC is the fast, easy and secure way to access your computer from
any Web browser or wireless device. Click here to Try it Free!
https://www.gotomypc.com/tr/OSDN/AW/Q4_2003/t/g22lp?Target_______________________________________________
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel