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[Bug 278533] Installation fails when pata_ali driver cannnot detect cd/ dvd drive
- From: bugzilla_noreply@xxxxxxxxxx
- Date: Fri, 28 Sep 2007 05:40:33 -0600 (MDT)
- Message-id: <20070928114033.04D8F245269@xxxxxxxxxxxxxxxxxxxxxx>
https://bugzilla.novell.com/show_bug.cgi?id=278533#c64
--- Comment #64 from Tejun Heo <teheo@xxxxxxxxxx> 2007-09-28 05:40:32 MST ---
Okay, here's what I've found out.
* During installation you need to specify the following to pass
libata.pata_dma=1 to libata.
options="libata.pata_dma=1"
* When booting from the harddisk after installation is complete, you can simply
add the following. Kernel will generate a warning message but the parameter
will be passed to the module by initrd.
libata.pata_dma=1
* You can verify the parameter was passed by running the following.
cat /sys/modules/libata/parameters/pata_dma
Regarding the last comment, how come /dev/hda7 is root not /dev/sda7? After
failing to mount root, you'll be dropped into emergency shell, can you access
your harddrive from there?
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--- Comment #64 from Tejun Heo <teheo@xxxxxxxxxx> 2007-09-28 05:40:32 MST ---
Okay, here's what I've found out.
* During installation you need to specify the following to pass
libata.pata_dma=1 to libata.
options="libata.pata_dma=1"
* When booting from the harddisk after installation is complete, you can simply
add the following. Kernel will generate a warning message but the parameter
will be passed to the module by initrd.
libata.pata_dma=1
* You can verify the parameter was passed by running the following.
cat /sys/modules/libata/parameters/pata_dma
Regarding the last comment, how come /dev/hda7 is root not /dev/sda7? After
failing to mount root, you'll be dropped into emergency shell, can you access
your harddrive from there?
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