It's a onboard serial port. From dmesg there are ttyS0 and ttyS1 ports are shown and I have tried both of them. Thanks On Tue, Mar 30, 2010 at 11:30 PM, Pasi Kärkkäinen wrote: > On Tue, Mar 30, 2010 at 06:07:44PM -0700, Ritu kaur wrote: > > Just to add, I have tried both com1 and com2 from baud rate 38400 to > > 115200 no luck. Inputs much appreciated. > > > > Do you have an onboard serial port, or is at some kind of SOL? > > -- Pasi > > > Thanks > > > > On Tue, Mar 30, 2010 at 5:28 PM, Ritu kaur <[1]ritu.kaur.us@[2] > gmail.com> > > wrote: > > > > Hi Pasi, > > > > Serial console just doesn't seem to work. In extlinux.conf file I > have > > > > # location mbr > > serial 0 115200 > > default xe-serial > > prompt 1 > > timeout 50 > > ... > > > > label xe-serial > > # XenCloudPlatform (Serial) > > kernel mboot.c32 > > append /boot/xen.3.4.3.gz com1=115200,8n1 console=com1,vga > > dom0_mem=752M lowmem_emergency_pool=1M crashkernel=64M@32M --- > > /boot/vmlinuz-2.6.32 root=LABEL=root-mhycetek ro console=tty0 > > earlyprintk=xen nomodeset xencons=hvc console=hvc0 --- > > /boot/initrd-2.6.32.img > > > > From another linux m/c, I run minicom -s /dev/ttyS0, configure > serial > > port to match above config. minicom always reports serial port as > > offline. Googled and tried another option "minicom -c on /dev/ttyS0" > > still no luck. I have made sure from BIOS on both m/c's serial com > ports > > are enabled. Not quite sure what is wrong here. Does extlinux.conf > entry > > looks fine? > > > > Thanks > > > > On Sun, Mar 28, 2010 at 4:55 AM, Pasi Kärkkäinen <[3]pasik@iki.fi> > > wrote: > > > > On Sun, Mar 28, 2010 at 02:34:39PM +0300, Pasi Kärkkäinen wrote: > > > On Sat, Mar 27, 2010 at 08:21:49PM -0700, Ritu kaur wrote: > > > > I tried another thing. After compilation, I did "make > > modules_install" in > > > > xcp ddk in order to use following command > > > > > > > > mkinitrd -f ./initrd-2.6.32.img 2.6.32 > > > > > > > > I get following errors... > > > > > > > > modinfo: could not find module ide-disk > > > > No module ide-disk found for kernel 2.6.32, aborting > > > > > > > > > > mkinitrd reads /etc/modprobe.conf to figure out what modules > should > > be included into the initrd image. > > > > > > > also I'm not sure if ide-disk is a required module for 2.6.32? > > > > -- Pasi > > > > My boot disk is ide and looking into .config didn't give me > any > > ideas as > > > > to what has to be enabled. > > > > > > > > > > If you need some other module then fix it in /etc/modprobe.conf > > > You need to figure out what's the correct driver for your > root/boot > > disk. > > > > > > -- Pasi > > > > > > > Thanks > > > > > > > > On Sat, Mar 27, 2010 at 6:32 PM, Ritu kaur > > <[1][4]ritu.kaur.us@[2][5]gmail.com> > > > > wrote: > > > > > > > > Thanks Pasi. I had used following command to regenerate > > initrd image in > > > > xcp ddk > > > > > > > > mkinitrd -f ./initrd-2.6.32.img > > 2.6.27.42-0.1.1.xs0.1.1.737.1065xen > > > > > > > > it doesn't work either. While booting screen goes blank > > immediately > > > > after I see > > > > ... > > > > Booting:MBI=0x00010120, entry=0x00100000 > > > > > > > > and next thing I see is BIOS setup, so not sure > connecting > > serial cable > > > > will reveal anything more. Inputs appreciated. > > > > > > > > Thanks > > > > > > > > On Sat, Mar 27, 2010 at 11:43 AM, Pasi Kärkkäinen > > <[3][6]pasik@iki.fi> > > > > wrote: > > > > > > > > On Sat, Mar 27, 2010 at 11:28:12AM -0700, Ritu kaur > wrote: > > > > > Any inputs on this? I compiled xen/next kernel in > > Debian Lenny > > > > and booted > > > > > successfully as a domU(I am using same .config > file > > which I used > > > > to build > > > > > under xcp-ddk). Looks to me xen/next doesn't work > with > > xcp0.1.1. > > > > > > > > > > > > > You need to re-generate the dom0 kernel initrd to match > > your kernel. > > > > You cannot use the default xcp initrd image. > > > > > > > > Please provide the full serial console boot log so we > can > > troubleshoot > > > > it: > > > > [4][7] > http://wiki.xensource.com/xenwiki/XenSerialConsole > > > > > > > > -- Pasi > > > > > > > > > Thanks > > > > > > > > > > On Fri, Mar 26, 2010 at 12:11 PM, Ritu kaur > > > > <[1][5][8]ritu.kaur.us@[2][6][9]gmail.com> > > > > > wrote: > > > > > > > > > > Hi Pasi, > > > > > > > > > > Messages seen with not-working case > > > > > > > > > > > > > > > > > /*********************************************************************************** > > > > > kernel:/boot/xen.3.4.3.gz dom0-mem=752M > > > > lowmem-emergency-pool=1M > > > > > crashkernel=64M@32M console=comX > vga=mode-0x0311 > > > > > loading /boot/xen.3.4.3.gz.......... > > > > > Module:/boot/vmlinuz-2.6.32 > root=LABEL=root-mhycetek > > ro > > > > Xencons=hvc > > > > > console=hvc0 console=tty0 quiet vga=785 splash > > > > > Loading /boot/vmlinuz-2.6.32......... > > > > > Module:/boot/initrd-2.6-xen.img > > > > > Loading > > > > > > > > > > > > /boot/initrd-2.6-xen.img............................................................................................... > > > > > Booting:MBI=0x00010120, entry=0x00100000 > > > > > > > > > > > > ***************************************************************************************/ > > > > > > > > > > Screen is blank after these messages and system > > returns to BIOS > > > > setup. > > > > > > > > > > Messages seen with working case > > > > > > > > > > > > /*********************************************************************************** > > > > > kernel:/boot/xen.gz dom0-mem=752M > > lowmem-emergency-pool=1M > > > > > crashkernel=64M@32M comsole=comX > vga=mode-0x0311 > > > > > loading /boot/xen.gz.......... > > > > > Module:/boot/vmlinuz-2.6.xen > > root=LABEL=root-mhycetek ro > > > > Xencons=hvc > > > > > console=hvc0 console=tty0 quiet vga=785 splash > > > > > Loading /boot/vmlinuz-2.6.xen......... > > > > > Module:/boot/initrd-2.6-xen.img > > > > > Loading > > > > > > > > > > > > /boot/initrd-2.6-xen.img............................................................................................... > > > > > Booting:MBI=0x00010120, entry=0x00100000 > > > > > > > > > > > > ***************************************************************************************/ > > > > > > > > > > Versions used in Non-working case > > > > > > > > > > xen - 3.4.3/4.0.0 > > > > > kernel - xen/next > > > > > initrd - default one which came with xcp0.1.1 > > download.(Ps > > > > note, in xcp > > > > > ddk cannot build initrd image) > > > > > > > > > > in Working case > > > > > > > > > > xen - 3.4.2 > > > > > kernel - xcp 0.1.1 > > > > > initrd - one that came with xcp 0.1.1 > > > > > > > > > > Checked in my .config and changed > > CONFIG_PHYSICAL_START to > > > > 0x00100000 > > > > > and CONFIG_PHYSICAL_ALIGN=0x100000, didn't help. > > > > > > > > > > Inputs appreciated. > > > > > > > > > > Thanks > > > > > > > > > > References > > > > > > > > > > Visible links > > > > > 1. [7][10]http://ritu.kaur.us/ > > > > > 2. [8][11]http://gmail.com/ > > > > > > > > > _______________________________________________ > > > > > Xen-devel mailing list > > > > > [9][12]Xen-devel@lists.xensource.com > > > > > [10][13]http://lists.xensource.com/xen-devel > > > > > > > > References > > > > > > > > Visible links > > > > 1. [14]http://ritu.kaur.us/ > > > > 2. [15]http://gmail.com/ > > > > 3. mailto:[16]pasik@iki.fi > > > > 4. [17]http://wiki.xensource.com/xenwiki/XenSerialConsole > > > > 5. [18]http://ritu.kaur.us/ > > > > 6. [19]http://gmail.com/ > > > > 7. [20]http://ritu.kaur.us/ > > > > 8. [21]http://gmail.com/ > > > > 9. mailto:[22]Xen-devel@lists.xensource.com > > > > 10. [23]http://lists.xensource.com/xen-devel > > > > > > _______________________________________________ > > > Xen-devel mailing list > > > [24]Xen-devel@lists.xensource.com > > > [25]http://lists.xensource.com/xen-devel > > > > References > > > > Visible links > > 1. http://ritu.kaur.us/ > > 2. http://gmail.com/ > > 3. mailto:pasik@iki.fi > > 4. http://ritu.kaur.us/ > > 5. http://gmail.com/ > > 6. mailto:pasik@iki.fi > > 7. http://wiki.xensource.com/xenwiki/XenSerialConsole > > 8. http://ritu.kaur.us/ > > 9. http://gmail.com/ > > 10. http://ritu.kaur.us/ > > 11. http://gmail.com/ > > 12. mailto:Xen-devel@lists.xensource.com > > 13. http://lists.xensource.com/xen-devel > > 14. http://ritu.kaur.us/ > > 15. http://gmail.com/ > > 16. mailto:pasik@iki.fi > > 17. http://wiki.xensource.com/xenwiki/XenSerialConsole > > 18. http://ritu.kaur.us/ > > 19. http://gmail.com/ > > 20. http://ritu.kaur.us/ > > 21. http://gmail.com/ > > 22. mailto:Xen-devel@lists.xensource.com > > 23. http://lists.xensource.com/xen-devel > > 24. mailto:Xen-devel@lists.xensource.com > > 25. http://lists.xensource.com/xen-devel >