[Bugme-new] [Bug 6724] New: Second SATA HD not detected most of the time

bugme-daemon at bugzilla.kernel.org bugme-daemon at bugzilla.kernel.org
Tue Jun 20 07:57:59 PDT 2006


http://bugzilla.kernel.org/show_bug.cgi?id=6724

           Summary: Second SATA HD not detected most of the time
    Kernel Version: 2.6.17
            Status: NEW
          Severity: blocking
             Owner: jgarzik at pobox.com
         Submitter: stevenm at umd.edu


Hello.
Hardware is Dell PowerEdge SC1425. Machine has two SATA hard disks (show up as
sda and sdb). On 2.6.16.21 and below, everything worked fine. But as soon as
upgraded to 2.6.17, the second disk (sdb) is only detected maybe 30% of the time
the machine is booted. Not even a mention of it in dmesg or anything. The only
way to make the machine see sdb is to reboot it enough times, and one of those
times it may work if you are lucky.

This is not a hardware malfunction. I have a rack of these machines here that
all exhibit this behavior. This is definitely dependent on the kernel version-
2.6.16.21 consistently works and 2.6.17 consistently does not. 

This is the SATA controller in the machines (from lspci):
00:1f.2 IDE interface: Intel Corporation 82801EB (ICH5) SATA Controller (rev 02)

I am using the libata driver in the kernel.
Please try to fix asap- this is a critical bug for us.

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