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xenserver Serial Console Access - Revision history
2026-04-29T00:13:08Z
Revision history for this page on the wiki
MediaWiki 1.21.5
http://www.thelinuxwiki.com/index.php?title=xenserver_Serial_Console_Access&diff=666&oldid=prev
Nighthawk at 00:38, 9 February 2014
2014-02-09T00:38:02Z
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 00:38, 9 February 2014</td>
</tr><tr><td colspan="2" class="diff-lineno">Line 10:</td>
<td colspan="2" class="diff-lineno">Line 10:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  Loading /boot/initrd-2.6-xen.img... ok  </div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  Loading /boot/initrd-2.6-xen.img... ok  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">I verified my </del>bios serial port settings...</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">So, as soon as the syslinux boot manager started loading the kernel, serial console output quit.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">== Solution ==</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">Verify </ins>bios serial port settings <ins class="diffchange diffchange-inline">for stuff like this</ins>...</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">(supermicro Remote access bios settings)</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  * Serial Port Mode              [115200 8,n,1]   </div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  * Serial Port Mode              [115200 8,n,1]   </div></td></tr>
<tr><td colspan="2" class="diff-lineno">Line 19:</td>
<td colspan="2" class="diff-lineno">Line 26:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  * Sredir Memory Display Delay    [No Delay]  </div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  * Sredir Memory Display Delay    [No Delay]  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">checked </del>/boot/extlinux.conf, the settings for the xe-serial <del class="diffchange diffchange-inline">were </del>consistent with <del class="diffchange diffchange-inline">my </del>hardware settings</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">check </ins>/boot/extlinux.conf, <ins class="diffchange diffchange-inline">make sure </ins>the settings for the xe-serial <ins class="diffchange diffchange-inline">boot entry are </ins>consistent with <ins class="diffchange diffchange-inline">your </ins>hardware settings</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>...</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>...</div></td></tr>
<tr><td colspan="2" class="diff-lineno">Line 37:</td>
<td colspan="2" class="diff-lineno">Line 44:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  default xe-serial</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  default xe-serial</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Result...</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Result..<ins class="diffchange diffchange-inline">.it works!!!! See the serial console output below</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>   eter Anvin et al51a10931 Copyright (C) 1994-2012 H. P                           </div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>   eter Anvin et al51a10931 Copyright (C) 1994-2012 H. P                           </div></td></tr>
</table>
Nighthawk
http://www.thelinuxwiki.com/index.php?title=xenserver_Serial_Console_Access&diff=665&oldid=prev
Nighthawk: Created page with " == Problem == Failing to receive serial console output from XenServer 6.2. The server hardware was a supermicro board. I could see post an bios messages. I could see sys..."
2014-02-09T00:35:13Z
<p>Created page with " == Problem == Failing to receive serial console output from XenServer 6.2. The server hardware was a supermicro board. I could see post an bios messages. I could see sys..."</p>
<p><b>New page</b></p><div><br />
== Problem ==<br />
Failing to receive serial console output from XenServer 6.2. <br />
<br />
The server hardware was a supermicro board. I could see post an bios messages. I could see syslinus messages. The last thing I could see was...<br />
<br />
<br />
Loading /boot/xen.gz... okopyright (C) 1994-2012 H. Peter Anvin et al <br />
Loading /boot/vmlinuz-2.6-xen... ok0 <br />
Loading /boot/initrd-2.6-xen.img... ok <br />
<br />
I verified my bios serial port settings...<br />
<br />
* Serial Port Mode [115200 8,n,1] <br />
* Flow Control [None]<br />
* Redirection After BIOS POST [Always]<br />
* Terminal Type [VT100]<br />
* VT-UTF8 Combo Key Support [Enabled]<br />
* Sredir Memory Display Delay [No Delay] <br />
<br />
checked /boot/extlinux.conf, the settings for the xe-serial were consistent with my hardware settings<br />
<br />
...<br />
label xe-serial<br />
# XenServer (Serial)<br />
kernel mboot.c32<br />
append /boot/xen.gz com1=115200,8n1 console=com1 ...(output truncated)<br />
...<br />
<br />
Edit /boot/extlinux.conf<br />
<br />
change line 3 from<br />
default xe<br />
<br />
to<br />
<br />
default xe-serial<br />
<br />
Result...<br />
<br />
eter Anvin et al51a10931 Copyright (C) 1994-2012 H. P <br />
boot: <br />
Loading /boot/xen.gz... ok on Remote Keyboard) <br />
Loading /boot/vmlinuz-2.6-xen... okthe network <br />
Loading /boot/initrd-2.6-xen.img... ok Keyboard) <br />
__ __ _ _ _ ____ <br />
\ \/ /___ _ __ | || | / | | ___| <br />
\ // _ \ '_ \ | || |_ | | |___ \ <br />
/ \ __/ | | | |__ _|| |_ ___) |isk <br />
/_/\_\___|_| |_| |_|(_)_(_)____/ isk <br />
01B01 <br />
(XEN) Xen version 4.1.5 (root@uk.xensource.com) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-46)) Fri Jun 14 09:04:06 EDT 2013<br />
(XEN) Latest ChangeSet: 23509:aa273b47bcbe, pq 572:5c414f7cb3b1 <br />
(XEN) Bootloader: SYSLINUX 4.06 0x51a10931Capable and Status OK <br />
(XEN) Command line: com1=115200,8n1 console=com1,vga mem=1024G dom0_max_vcpus=4 dom0_mem=752M,max:752M watchdog_timeout=300 lowmem_emergency_pool=1M crashkernel=64M@32M cpuid_mas0<br />
(XEN) Video information:ces found and configured. <br />
(XEN) VGA is text mode 80x25, font 8x16 <br />
(XEN) VBE/DDC methods: V2; EDID transfer time: 1 seconds <br />
(XEN) Disc information: <br />
(XEN) Found 1 MBR signatures <br />
(XEN) Found 4 EDD information structures<br />
(XEN) Xen-e820 RAM map:evel: 6<br />
(XEN) 0000000000000000 - 0000000000099800 (usable)<br />
(XEN) 0000000000099800 - 00000000000a0000 (reserved)<br />
(XEN) 00000000000e6000 - 0000000000100000 (reserved)<br />
(XEN) 0000000000100000 - 00000000dfea0000 (usable)<br />
(XEN) 00000000dfea0000 - 00000000dfeb2000 (ACPI data)<br />
(XEN) 00000000dfeb2000 - 00000000dfee0000 (ACPI NVS)<br />
(XEN) 00000000dfee0000 - 00000000f0000000 (reserved)<br />
(XEN) 00000000ffe00000 - 0000000100000000 (reserved)<br />
(XEN) 0000000100000000 - 0000000320000000 (usable)<br />
(XEN) Kdump: 64MB (65536kB) at 0x2000000<br />
(XEN) ACPI: RSDP 000FA1C0, 0024 (r2 ACPIAM)<br />
(XEN) ACPI: XSDT DFEA0100, 0054 (r1 SMCI 20131125 MSFT 97)<br />
(XEN) ACPI: FACP DFEA0290, 00F4 (r3 112513 FACP1100 20131125 MSFT 97)<br />
(XEN) ACPI: DSDT DFEA0600, 562B (r1 1CF11 1CF11000 0 INTL 20051117)<br />
(XEN) ACPI: FACS DFEB2000, 0040[ OK ]<br />
(XEN) ACPI: APIC DFEA0390, 00A4 (r1 112513 APIC1100 20131125 MSFT 97)<br />
(XEN) ACPI: MCFG DFEA0440, 003C (r1 112513 OEMMCFG 20131125 MSFT 97)<br />
(XEN) ACPI: OEMB DFEB2040, 0075 (r1 112513 OEMB1100 20131125 MSFT 97)<br />
(XEN) ACPI: HPET DFEAA600, 0038 (r1 112513 OEMHPET 20131125 MSFT 97)<br />
(XEN) ACPI: SSDT DFEAA640, 1714 (r1 A M I POWERNOW 1 AMD 1)<br />
(XEN) System RAM: 12286MB (12581092kB)<br />
(XEN) Domain heap initialised DMA width 32 bitsn: [ OK ]<br />
(XEN) Processor #16 5:2 APIC version 16<br />
(XEN) Processor #17 5:2 APIC version 16<br />
(XEN) Processor #18 5:2 APIC version 16<br />
(XEN) Processor #19 5:2 APIC version 16<br />
(XEN) Processor #20 5:2 APIC version 16K ]<br />
(XEN) Processor #21 5:2 APIC version 16 not running.<br />
(XEN) Processor #22 5:2 APIC version 16<br />
(XEN) Processor #23 5:2 APIC version 16<br />
(XEN) IOAPIC[0]: apic_id 0, version 33, address 0xfec00000, GSI 0-23<br />
(XEN) IOAPIC[1]: apic_id 1, version 33, address 0xfec20000, GSI 24-55<br />
(XEN) Enabling APIC mode: Flat. Using 2 I/O APICs<br />
(XEN) Using scheduler: SMP Credit Scheduler (credit)<br />
(XEN) Detected 2600.055 MHz processor.<br />
(XEN) Initing memory sharing.he memory ballooning daemon: [ OK ]<br />
(XEN) Writing CPUID feature mask ECX:EDX -> 3698320Bh:178BFBFFh<br />
(XEN) Writing CPUID extended feature mask ECX:EDX -> 01EABFFFh:2FD3FBFFh<br />
(XEN) AMD-Vi: IOMMU not found! signal... <br />
(XEN) I/O virtualisation disabledgnal... <br />
(XEN) ENABLING IO-APIC IRQs<br />
(XEN) -> Using new ACK methodem time <br />
(XEN) Platform timer is 14.318MHz HPET<br />
(XEN) Allocated console ring of 64 KiB.<br />
(XEN) HVM: ASIDs enabled. <br />
(XEN) SVM: Supported advanced features:tem...<br />
(XEN) - Nested Page Tables (NPT)<br />
(XEN) - Last Branch Record (LBR) Virtualisation<br />
(XEN) - Next-RIP Saved on #VMEXIT<br />
(XEN) - VMCB Clean Bits<br />
(XEN) - DecodeAssists<br />
(XEN) - Pause-Intercept Filter<br />
(XEN) HVM: SVM enabled<br />
(XEN) HVM: Hardware Assisted Paging (HAP) detected<br />
(XEN) HVM: HAP page sizes: 4kB, 2MB, 1GB<br />
(XEN) Brought up 8 CPUs<br />
(XEN) Testing NMI watchdog --- CPU#0 okay. CPU#1 okay. CPU#2 okay. CPU#3 okay. CPU#4 okay. CPU#5 okay. CPU#6 okay. CPU#7 okay. <br />
(XEN) *** LOADING DOMAIN 0 ***<br />
(XEN) Xen kernel: 64-bit, lsb, compat32<br />
(XEN) Dom0 kernel: 32-bit, PAE, lsb, paddr 0x100000 -> 0x787000<br />
(XEN) PHYSICAL MEMORY ARRANGEMENT:<br />
(XEN) Dom0 alloc.: 00000000de000000->00000000df000000 (186362 pages to be allocated)<br />
(XEN) Init. ramdisk: 000000031f7fa000->000000031ffffc00<br />
(XEN) VIRTUAL MEMORY ARRANGEMENT:<br />
(XEN) Loaded kernel: 00000000c0100000->00000000c0787000<br />
(XEN) Init. ramdisk: 00000000c0787000->00000000c0f8cc00<br />
(XEN) Phys-Mach map: 00000000c0f8d000->00000000c1049000<br />
(XEN) Start info: 00000000c1049000->00000000c10494b4<br />
(XEN) Page tables: 00000000c104a000->00000000c105a000<br />
(XEN) Boot stack: 00000000c105a000->00000000c105b000<br />
(XEN) TOTAL: 00000000c0000000->00000000c1400000<br />
(XEN) ENTRY ADDRESS: 00000000c0100000<br />
(XEN) Dom0 has maximum 4 VCPUs<br />
...<br />
output truncated<br />
<br />
<br />
[[category:xenserver]]</div>
Nighthawk