Ubuntu
linux package

  1. Bug #994870
  2. Comment #13

Comment 13 for bug 994870

Revision history for this message
Andy Whitcroft (apw) wrote :

Installed this kernel into an instance, and tested both with and without the new option:

ubuntu@ubuntu:~$ dmesg | egrep 'Linux |ata'
[ 0.000000] Linux version 3.2.0-24-virtual (buildd@crested) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #39-Ubuntu SMP Mon May 21 18:44:18 UTC 2012 (Ubuntu 3.2.0-24.39-virtual 3.2.16)
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-virtual root=UUID=0a14fe51-b4cf-4bd5-a11b-75ef1ef9a0d0 ro earlyprintk ata_piix.disable_driver
[...]
[ 1.259036] ata_piix: driver disabled completely

ubuntu@ubuntu:~$ dmesg | egrep 'Linux |ata'
[ 0.000000] Linux version 3.2.0-24-virtual (buildd@crested) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #39-Ubuntu SMP Mon May 21 18:44:18 UTC 2012 (Ubuntu 3.2.0-24.39-virtual 3.2.16)
[...]
[ 1.585875] ata1.00: ATA disk ignored deferring to Hyper-V paravirt driver
[ 1.586466] ata1.00: NODEV after polling detection
[ 1.587614] ata2.00: ATAPI: Virtual CD, , max MWDMA2
[ 1.588964] ata2.00: configured for MWDMA2