<br>On Wed, Nov 3, 2010 at 4:58 PM, Alan Dacey <span dir="ltr"><<a href="mailto:grokit@ajinfosearch.com">grokit@ajinfosearch.com</a>></span> wrote:<div><br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
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</div></div><p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">Funny, I was having the same problem but it went away with my upgrade to 10.10. It was happening on only one machine out of four in my house but of course the one that got hit was mine :/</p>
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<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">From what I gathered researching it for six months is that it is a (driver?) regression in the kernel. When you search dmesg what do you get? Use "dmesg | grep ata#" a couple of times without the quotes and replacing the # sign with numbers 1 through how many sata/ata prots you have. I needed 1 through 8. </p>
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<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">You will start seeing the name(s) of your hard drive(s), like this:</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'freemono'">$ dmesg | grep ata1</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'freemono'">[ 1.662096] ata1: SATA max UDMA/133 cmd 0x9f0 ctl 0xbf0 bmdma 0xd800 irq 21</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'freemono'">[ 2.150015] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'freemono'">[ 2.190217] ata1.00: ATA-8: SAMSUNG HD501LJ, CR100-12, max UDMA7</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'freemono'">. . . snip . . .</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'freemono'">[62672.071473] ata1.00: configured for UDMA/133</span></p>
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<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">Then you may see nothing attached like this:</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'freemono'">$ dmesg | grep ata4</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'freemono'">[ 1.662315] ata4: SATA max UDMA/133 cmd 0x960 ctl 0xb60 bmdma 0xc408 irq 20</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'freemono'">[ 3.070009] ata4: SATA link down (SStatus 0 SControl 300)</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'freemono'">[47911.061261] ata4: SATA link down (SStatus 0 SControl 300)</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'freemono'">[62663.710023] ata4: SATA link down (SStatus 0 SControl 300)</span></p>
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<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"></p></div></blockquote><div><br></div><div>the above is what I have too. Confirmed.</div><div><br></div><div>My relevant kern.log: </div>
<div><div><br></div><div>Nov 2 12:32:02 hector kernel: [ 2.870146] ata2.00: ATAPI: TSSTcorp DVD+/-RW TS-H553A, DE04, max UDMA/33</div><div>Nov 2 12:32:02 hector kernel: [ 2.870151] ata2.00: applying bridge limits</div>
<div>Nov 2 12:32:02 hector kernel: [ 2.930135] ata2.00: configured for UDMA/33</div><div>Nov 2 12:58:53 hector kernel: [ 2.370330] ata2: SATA max UDMA/133 cmd 0xfe20 ctl 0xfe30 bmdma 0xfec8 irq 20</div><div>Nov 2 12:58:53 hector kernel: [ 3.230063] ata2.00: SATA link up 1.5 Gbps (SStatus 113 SControl 300)</div>
<div>Nov 2 12:58:53 hector kernel: [ 3.230078] ata2.01: SATA link down (SStatus 0 SControl 300)</div><div>Nov 2 12:58:53 hector kernel: [ 3.230091] ata2.01: link offline, clearing class 3 to NONE</div><div>Nov 2 12:58:53 hector kernel: [ 3.270159] ata2.00: ATAPI: TSSTcorp DVD+/-RW TS-H553A, DE04, max UDMA/33</div>
<div>Nov 2 12:58:53 hector kernel: [ 3.270164] ata2.00: applying bridge limits</div><div>Nov 2 12:58:53 hector kernel: [ 3.330133] ata2.00: configured for UDMA/33</div><div>Nov 2 13:18:49 hector kernel: [ 1215.130066] ata2.00: exception Emask 0x10 SAct 0x0 SErr 0x4050002 action 0xe frozen</div>
<div>Nov 2 13:18:49 hector kernel: [ 1215.130073] ata2.00: ST_FIRST: !(DRQ|ERR|DF)</div><div>Nov 2 13:18:49 hector kernel: [ 1215.130078] ata2.00: SError: { RecovComm PHYRdyChg CommWake DevExch }</div><div>Nov 2 13:18:49 hector kernel: [ 1215.130099] ata2.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0</div>
<div>Nov 2 13:18:49 hector kernel: [ 1215.130114] ata2.00: hard resetting link</div><div>Nov 2 13:18:49 hector kernel: [ 1215.880034] ata2.01: hard resetting link</div><div>Nov 2 13:18:50 hector kernel: [ 1216.390074] ata2.00: SATA link up 1.5 Gbps (SStatus 113 SControl 300)</div>
<div>Nov 2 13:18:50 hector kernel: [ 1216.390093] ata2.01: SATA link down (SStatus 0 SControl 300)</div><div>Nov 2 13:18:50 hector kernel: [ 1216.390106] ata2.01: link offline, clearing class 3 to NONE</div><div>Nov 2 13:18:50 hector kernel: [ 1216.490143] ata2.00: configured for UDMA/33</div>
<div>Nov 2 13:18:50 hector kernel: [ 1216.490719] ata2: EH complete</div></div><div><br></div><div>The machine is a Dell Dimension E520. The drive is a Toshiba I believe:</div><div><br></div><div><br></div><div>TSSTcorp DVD+/-RW TS-H553A</div>
<div><br></div><div>I won't flood you with output of lshw except for:</div><div><br></div><div><div> description: Mini Tower Computer</div><div> product: Dell DM061</div><div> vendor: Dell Inc.</div><div> serial: 73K16C1</div>
<div> width: 64 bits</div><div> capabilities: smbios-2.3 dmi-2.3 vsyscall64 vsyscall32</div><div> configuration: administrator_password=enabled boot=normal chassis=mini-tower power-on_password=enabled uuid=44454C4C-3300-104B-8031-B7C04F364331</div>
<div> *-core</div><div> description: Motherboard</div><div> product: 0WG864</div><div> vendor: Dell Inc.</div><div> physical id: 0</div><div> serial: ..CN481116AR00F8.</div><div> *-firmware</div>
<div> description: BIOS</div><div> vendor: Dell Inc.</div><div> physical id: 0</div><div> version: 2.4.0 (05/24/2007)</div><div> size: 64KiB</div><div> capacity: 448KiB</div>
<div> capabilities: pci pnp apm upgrade shadowing cdboot bootselect edd int13floppytoshiba int5printscreen int9keyboard int14serial int17printer acpi usb ls120boot biosbootspecification netboot</div></div><div><br>
</div><div><br></div><div>Upgraded to natty narwhal yesterday. kernel: 2.6.36-1-generic</div><div><br></div><div>I used to always custom compile my kernels, but I have gotten lazy with the passing years. Maybe I should try a custom build. </div>
<div><br></div><div><br></div><div>Thanks much for the insight.</div><div><br></div><div>Best,</div><div><br></div><div>Fred</div><div><br></div><div><br></div><div><br></div><div><font class="Apple-style-span" face="Ubuntu" size="3"><span class="Apple-style-span" style="font-size: 12px; "><br>
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