http://freebsdwiki.net/index.php?action=history&feed=atom&title=DmesgDmesg - Revision history2026-04-23T11:58:33ZRevision history for this page on the wikiMediaWiki 1.18.0http://freebsdwiki.net/index.php?title=Dmesg&diff=13340&oldid=prevJimbo: Reverted edits by 173.88.199.104 (talk) to last revision by Mixx9412012-08-25T21:52:44Z<p>Reverted edits by <a href="/index.php/Special:Contributions/173.88.199.104" title="Special:Contributions/173.88.199.104">173.88.199.104</a> (<a href="/index.php?title=User_talk:173.88.199.104&action=edit&redlink=1" class="new" title="User talk:173.88.199.104 (page does not exist)">talk</a>) to last revision by <a href="/index.php?title=User:Mixx941&action=edit&redlink=1" class="new" title="User:Mixx941 (page does not exist)">Mixx941</a></p>
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<td colspan='2' style="background-color: white; color:black;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black;">Revision as of 21:52, 25 August 2012</td>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>'''dmesg''' displays the <del class="diffchange diffchange-inline">contents of </del>/var/run/dmesg.boot <del class="diffchange diffchange-inline">file which is populated during the boot process with the white high intense master console messages you see rolling by during the boot which are the results from the motherboard hardware inspection [POST].<br></del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>'''dmesg''' displays the <ins class="diffchange diffchange-inline">system message buffer. It's output is just like </ins>/var/run/dmesg.boot<ins class="diffchange diffchange-inline">, although </ins>'''dmesg''' displays <ins class="diffchange diffchange-inline">things that occur after boot </ins>as <ins class="diffchange diffchange-inline">well</ins>. It can be helpful in tracking down <ins class="diffchange diffchange-inline">problems that might not otherwise be noticed</ins>.  </div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline"><br></del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>'''dmesg <del class="diffchange diffchange-inline">-a</del>''' displays <del class="diffchange diffchange-inline">the the same </del>as <del class="diffchange diffchange-inline">above plus the non-intense messages of started applications from /etc/rc</del>.<del class="diffchange diffchange-inline">conf. </del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div> </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>It can be helpful in tracking down <del class="diffchange diffchange-inline">the BDS hardware device names for thing like disk drives and network interfaces</del>.  </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>For example:</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>For example:</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>  '''> dmesg'''</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>  '''> dmesg'''</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>  [snip]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>  [snip]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>  ad0: 194481MB <Maxtor <del class="diffchange diffchange-inline">BAH41</del>> [395136/16/63] at ata0-master UDMA133</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>  ad0: 194481MB <Maxtor <ins class="diffchange diffchange-inline">6B200R0/BAH41BM0</ins>> [395136/16/63] at ata0-master UDMA133</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>  ad1: 194481MB <Maxtor <del class="diffchange diffchange-inline">BAH41</del>> [395136/16/63] at ata0-slave UDMA133</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>  ad1: 194481MB <Maxtor <ins class="diffchange diffchange-inline">6B200P0/BAH41BM0</ins>> [395136/16/63] at ata0-slave UDMA133</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>  acd0: DVDR <SONY DVD RW DRU-500A/2.1a> at ata1-slave PIO4</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>  acd0: DVDR <SONY DVD RW DRU-500A/2.1a> at ata1-slave PIO4</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>  ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=3205439</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>  ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=3205439</div></td></tr>
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</table>Jimbohttp://freebsdwiki.net/index.php?title=Dmesg&diff=13041&oldid=prev173.88.199.104 at 23:58, 9 August 20122012-08-09T23:58:39Z<p></p>
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<td colspan='2' style="background-color: white; color:black;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black;">Revision as of 23:58, 9 August 2012</td>
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<td colspan="2" class="diff-lineno">Line 1:</td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>'''dmesg''' displays the <del class="diffchange diffchange-inline">system message buffer. It's output is just like </del>/var/run/dmesg.boot<del class="diffchange diffchange-inline">, although </del>'''dmesg''' displays <del class="diffchange diffchange-inline">things that occur after boot </del>as <del class="diffchange diffchange-inline">well</del>. It can be helpful in tracking down <del class="diffchange diffchange-inline">problems that might not otherwise be noticed</del>.  </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>'''dmesg''' displays the <ins class="diffchange diffchange-inline">contents of </ins>/var/run/dmesg.boot <ins class="diffchange diffchange-inline">file which is populated during the boot process with the white high intense master console messages you see rolling by during the boot which are the results from the motherboard hardware inspection [POST].<br></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline"><br></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>'''dmesg <ins class="diffchange diffchange-inline">-a</ins>''' displays <ins class="diffchange diffchange-inline">the the same </ins>as <ins class="diffchange diffchange-inline">above plus the non-intense messages of started applications from /etc/rc</ins>.<ins class="diffchange diffchange-inline">conf. </ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>It can be helpful in tracking down <ins class="diffchange diffchange-inline">the BDS hardware device names for thing like disk drives and network interfaces</ins>.  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>For example:</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>For example:</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>  '''> dmesg'''</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>  '''> dmesg'''</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>  [snip]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>  [snip]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>  ad0: 194481MB <Maxtor <del class="diffchange diffchange-inline">6B200R0/BAH41BM0</del>> [395136/16/63] at ata0-master UDMA133</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>  ad0: 194481MB <Maxtor <ins class="diffchange diffchange-inline">BAH41</ins>> [395136/16/63] at ata0-master UDMA133</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>  ad1: 194481MB <Maxtor <del class="diffchange diffchange-inline">6B200P0/BAH41BM0</del>> [395136/16/63] at ata0-slave UDMA133</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>  ad1: 194481MB <Maxtor <ins class="diffchange diffchange-inline">BAH41</ins>> [395136/16/63] at ata0-slave UDMA133</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>  acd0: DVDR <SONY DVD RW DRU-500A/2.1a> at ata1-slave PIO4</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>  acd0: DVDR <SONY DVD RW DRU-500A/2.1a> at ata1-slave PIO4</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>  ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=3205439</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>  ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=3205439</div></td></tr>
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</table>173.88.199.104http://freebsdwiki.net/index.php?title=Dmesg&diff=5215&oldid=prevMixx941 at 16:42, 20 August 20052005-08-20T16:42:01Z<p></p>
<p><b>New page</b></p><div>'''dmesg''' displays the system message buffer. It's output is just like /var/run/dmesg.boot, although '''dmesg''' displays things that occur after boot as well. It can be helpful in tracking down problems that might not otherwise be noticed. <br />
<br />
For example:<br />
<br />
'''> dmesg'''<br />
[snip]<br />
ad0: 194481MB <Maxtor 6B200R0/BAH41BM0> [395136/16/63] at ata0-master UDMA133<br />
ad1: 194481MB <Maxtor 6B200P0/BAH41BM0> [395136/16/63] at ata0-slave UDMA133<br />
acd0: DVDR <SONY DVD RW DRU-500A/2.1a> at ata1-slave PIO4<br />
ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=3205439<br />
<br />
Or:<br />
<br />
'''> dmesg'''<br />
[snip]<br />
Mounting root from ufs:/dev/ad0s1a<br />
pid 6152 (audacity), uid 1001: exited on signal 11 (core dumped)<br />
<br />
[[Category : System Commands]]</div>Mixx941