<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Akemi Yagi amyagi at <a href="http://gmail.com">gmail.com</a> wrote:<br><blockquote type="cite">On Wed, Aug 25, 2010 at 2:39 PM, Glenn Eychaner <geychaner at <a href="http://mac.com">mac.com</a>> wrote:<div></div><blockquote type="cite"><div>So, just today I noticed a problem with kernel 2.6.18-194 (CentOS 5.5) on several Intel DP965LT systems; the system beeps (such as terminal beeps) are no longer passed through to the external speakers. This is a problem because in our situation the boxes are distant from their monitor/keyboard, the system speaker on this motherboard is extremely weak, and there are no system speaker header pins on the motherboard. The problem goes away if I revert the system to 2.6.18-164 with no other changes.</div></blockquote><blockquote type="cite">I looked through the list archives and searched the web for other people who have encountered this, but it's pretty specific (and hard to search for "system beep"!)<br class="Apple-interchange-newline"></blockquote><div><br></div><div>Does it have Nvidia controllers? If so, it may be related to:</div><a href="http://bugs.centos.org/view.php?id=4335">http://bugs.centos.org/view.php?id=4335</a></blockquote><div><br></div>Nope. It has a PCI NVidia graphics card, but the tech specs for the board (page 12) show Intel chipsets (as expected).<div><span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://downloadmirror.intel.com/15049/eng/DP965LT_TechProdSpec.pdf">http://downloadmirror.intel.com/15049/eng/DP965LT_TechProdSpec.pdf</a></div><div>Besides, I tried adding the "enable_msi=0" to that line of modprobe.conf, and it didn't make any difference.</div><div><br><blockquote type="cite"><blockquote type="cite"><div>Is there someplace can I find *detailed* release notes on the differences between -164 and -194 kernels to help in looking for the problem, pinning it down, and submitting a patch (and/or building my own kernel), or should I just download the SRPMS and dig in?</div></blockquote><div><font class="Apple-style-span" color="#006312"><br></font></div><div>You can find kernel changelog diffs here (maintaind by Alan Bartlett):</div><a href="http://www.centos.toracat.org/ajb/kernel-clog-diff/">http://www.centos.toracat.org/ajb/kernel-clog-diff/</a><br></blockquote><div><br></div>Wow. Considering I need to look at everything from 164-15 to 194-3, that's a lot of heavy reading and searching.</div><div><br></div><div>-G.<br><div>
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; font-size: 12px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>--</div><div>Glenn Eychaner (<a href="mailto:geychaner@lco.cl">geychaner@lco.cl</a>)</div><div>Telescope Systems Programmer, Las Campanas Observatory</div><div><br></div></div></div></span></div></span></div></div><br class="Apple-interchange-newline">
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