Comment 46 for bug 290153

@SpinningAround

I tried your work-around by adding the "all_generic_ide" to the kernel options and it works!!

So far the good news. Although I can now boot with the latest kernel, the solution has a negative impact on disk performance:

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With "all_generic_ide" (kernel: 2.6.27-8-generic):

>> hdparm -tT /dev/md1

/dev/md1:
 Timing cached reads: 1768 MB in 2.00 seconds = 884.18 MB/sec
 Timing buffered disk reads: 54 MB in 3.06 seconds = 17.66 MB/sec

Without "all_generic_ide" (kernel: 2.6.27-4-generic):

>> hdparm -tT /dev/md1

/dev/md1:
 Timing cached reads: 1852 MB in 2.00 seconds = 926.06 MB/sec
 Timing buffered disk reads: 318 MB in 3.00 seconds = 105.84 MB/sec

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As you can see the buffered disk reads goes down from 105.84 MB/sec to 17.66 MB/sec on my Raid-0 disk array.

So thanks for supplying us with a work-around, but for the longer term we need an actual fix.

Regards,
Marcel

PS.
My motherboard has an NVIDIA chipset.