Excellent work! It will be very interesting to discover
what bug is causing SELinux to fail!
> -----Original Message-----
> From: Kouya SHIMURA [mailto:kouya@xxxxxxxxxxxxxxxx]
> Sent: Friday, November 11, 2005 4:11 AM
> To: Yang, Fred
> Cc: Magenheimer, Dan (HP Labs Fort Collins); Zhang, Xiantao;
> takebe_akio@xxxxxxxxxxxxxx; Xu, Anthony;
> xen-ia64-devel@xxxxxxxxxxxxxxxxxxx; Yoshi. Oguchi
> Subject: RE: Progress on RHEL4, but blocked at xlilo?
>
> I'm also trying to boot RHEL4 on Xen3.0(IA64) and encountered
> a execution
> stuck problem in /sbin/init. It seems just the same as Akio's problem.
>
> I'm not sure but I suspects that the SELinux feature might be
> concerned with this problem. Since there is no problem on RHEL3.
> RHEL4's /sbin/init is special and performs some work for SELinux.
> (mounting selinuxfs etc. Original SysVinit package doesn't support
> SELinux)
>
> SELinux feature is not enabled in default Xen 3.0 setting
> (xen0_defconfig_ia64).
> So I made a SELinux enabled Xenolinux for RHEL4 and tried it.
> As a result RHEL4 system is completely booted!
>
> Another solution is to exchange /sbin/init. Using orignal (not patched
> for SELinux) /sbin/init I also succeeded to boot RHEL4 system.
> It's so easy that Akio should try this solution.
>
> But Linux kernel whose SELinux feature is not enabled can boot RHEL4
> sytem on actual machine. So non-SELinuxed Dom0 must be booted on
> Xen. That is Xen3.0 has still potential bugs.
> Akio will continue to investigate this problem.
>
> --
> Kouya Shimura
> ARCHTECTURE LABORATORY
> FUJITSU LABORATORIES LTD.
>
> Yang, Fred writes:
> > Xen need to support xlilo for Linux kernel load. But Xen
> has already loaded Linux kernel and gives the control to it
> per Akio's previous mail. The key will be on why /sbin/init
> execution stuck?
> > -Fred
> > Akio's previous mail =============================
> > int switchrootCommand(char * cmd, char * end) {
> >
> > snip
> >
> >
> > execv(initargs[0], initargs); <----call /sbin/init
> and hangup :-<
> > printf("exec of init (%s) failed!!!: %d\n",
> initargs[0], errno);
> > return 1;
> > }
> >
> > Magenheimer, Dan (HP Labs Fort Collins) wrote:
> > > Is there any progress on this? It would be nice to
> > > get this working prior to the Xen 3.0 freeze so
> > > default Xen 3.0 bits can boot RHEL4. Is a fix
> > > required for xlilo or is it another problem?
> > >
> > > Thanks,
> > > Dan
> > >
> > >> -----Original Message-----
> > >> From: Zhang, Xiantao [mailto:xiantao.zhang@xxxxxxxxx]
> > >> Sent: Tuesday, November 08, 2005 5:37 AM
> > >> To: takebe_akio@xxxxxxxxxxxxxx; Yang, Fred; Xu, Anthony;
> > >> Magenheimer, Dan (HP Labs Fort Collins);
> > >> xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
> > >> Subject: RE: [Xen-ia64-devel] Progress on RHEL4, but blocked at
> > >> xlilo?
> > >>
> > >> Hi Akio:
> > >> What you did should be correct, and we also look for the
> > >> reason which result in the error .
> > >> Thanks
> > >> Zhang Xiantao
> > >> CSD-OTC PRC Virtualization
> > >> Intel (China) Limited
> > >>
> > >> -----Original Message-----
> > >> From: takebe_akio@xxxxxxxxxxxxxx
> [mailto:takebe_akio@xxxxxxxxxxxxxx]
> > >> Sent: 2005年11月8日 18:22 To: Zhang, Xiantao; Yang, Fred;
> Xu, Anthony;
> > >> Magenheimer, Dan (HP Labs Fort Collins);
> > >> xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
> > >> Cc: takebe_akio@xxxxxxxxxxxxxx
> > >> Subject: RE: [Xen-ia64-devel] Progress on RHEL4, but blocked at
> > >> xlilo?
> > >>
> > >> Hi Zhang,
> > >>
> > >> Thank you for your infomation.
> > >>
> > >>> Please make sure your vmlinux-2.6.12-xen0 from
> > >>> .../xen-ia64-unstable.hg/ linux-2.6.12-xen0/vmlinux , not
> > >> ".../xen-ia64-unstable.hg/dist/install/
> > >>> vmlinux-2.6.12-xen0".
> > >> Yes. I don't use dist/install/vmlinuz-2.6.12.6-xen0xen.
> > >> I use linux-2.6.12-xen0/vmlinux.
> > >>
> > >> I did as follows. :)
> > >>
> > >> 1. make xen
> > >> 2. make kernels
> > >> 3. cp xen/xen.gz /boot/efi/efi/xen/
> > >> 4. cp linux-2.6.12-xen0/vmlinux
> /boot/efi/efi/xen/vmlinux-2.6.12-xen0
> > >> 5. cd linux-2.6.12-xen0
> > >> 6. make modules_install
> > >> 7. mkinitrd -f /boot/efi/efi/xen/initrd-2.6.12-xen0.img
> > >> 2.6.12.6-xen0xen
> > >> 8. reboot and boot with xlilo
> > >>
> > >> Best Regards,
> > >>
> > >> Akio Takebe
> > >>
> > >>> Hi Akio:
> > >>> Please make sure your vmlinux-2.6.12-xen0 from
> > >>> .../xen-ia64-unstable.hg/ linux-2.6.12-xen0/vmlinux , not
> > >> ".../xen-ia64-unstable.hg/dist/install/
> > >>> vmlinux-2.6.12-xen0".
> > >>> Because vmlinux is uncompressed and
> vmlinux-2.6.12-xen0 from dist
> > >>> directory is compressed in despite of its no .gz end.
> > >>>
> > >>> Zhang Xiantao
> > >>> CSD-OTC PRC Virtualization
> > >>> Intel (China) Limited
> > >>>
> > >>>
> > >>>
> > >>>
> > >>> -----Original Message-----
> > >>> From: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx
> > >>> [mailto:xen-ia64-devel- bounces@xxxxxxxxxxxxxxxxxxx]
> On Behalf Of
> > >>> takebe_akio@xxxxxxxxxxxxxx Sent: 2005ト・1ヤツ8ネユ 16:28
> To: Yang, Fred;
> > >>> Xu, Anthony; Magenheimer, Dan (HP Labs Fort Collins); xen-
> > >>> ia64-devel@xxxxxxxxxxxxxxxxxxx
> > >>> Subject: RE: [Xen-ia64-devel] Progress on RHEL4, but blocked at
> > >>> xlilo?
> > >>>
> > >>> Hi Fred,
> > >>>
> > >>> I used the following file.
> > >>> I should use uncompressed linux kernel, shouldn't I?
> > >>>
> > >>> # file /boot/efi/efi/xen/vmlinux-2.6.12-xen0
> > >>> /boot/efi/efi/xen/vmlinux-2.6.12-xen0: ELF 64-bit LSB
> executable,
> > >>> IA-64, version 1 (SYSV), statically linked, not stripped
> > >>>
> > >>> Best Regards,
> > >>>
> > >>> Akio Takebe
> > >>>
> > >>>> Akio,
> > >>>>
> > >>>> To make sure, you are not using "compressed"
> XenoLinux image in
> > >>>> the configuration file
> > >>>>
> > >>>>> image=vmlinux-2.6.12-xen0 <=========== MUST not
> compressed
> > >>>>> label=xen vmm=xen.gz
> > >>>>> initrd=initrd-2.6.12-xen0.img
> > >>>>> read-only
> > >>>>
> > >>>> -Fred
> > >>>>
> > >>>> takebe_akio@xxxxxxxxxxxxxx wrote:
> > >>>>> Hi Dan, Fred and Anthony,
> > >>>>>
> > >>>>> Thank you for your adivece.
> > >>>>> As you say, I used the following config file.
> > >>>>> But I couldn't boot.
> > >>>>>
> > >>>>> ------------
> > >>>>> prompt
> > >>>>> timeout=20
> > >>>>> default=xen
> > >>>>> relocatable
> > >>>>>
> > >>>>> image=vmlinux-2.6.12-xen0
> > >>>>> label=xen
> > >>>>> vmm=xen.gz
> > >>>>> initrd=initrd-2.6.12-xen0.img
> > >>>>> read-only
> > >>>>> append="com2=115200,8n1 console=com2
> sched=bvt -- nomca
> > >>>>> nosmp console=tty0 rhgb root=/dev/sda2" ------------
> > >>>>>
> > >>>>> I suspect registrations of SCSI drivers and so on.
> > >>>>> I used vmlinux included "mptscsih and mptbase" now.
> > >>>>> Should I use a initrd included "mptscsih and mptbase"
> > >>>>> and a vmlinux not included these?
> > >>>>>
> > >>>>> I will check the buffer of kernel_read() by using
> more printk().
> > >>>>> :-)
> > >>>>>
> > >>>>> Best Regards,
> > >>>>>
> > >>>>> Akio Takebe
>
>
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