removal of ata_piix generate crash for VM running on HyperV 2012 R2

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hi all,

i have below use case:

1. created vm 1 vhd , 1 vhdx disk on hyperv2012 r2 hypervisor.

2. created 1 bootable iso contains vmlinuz & initrd file oracle enterprise linux 6.4 media.

3. mount created media on vm , booted vm using cd boot option.

4. when machine boots ata_piix controller gets loaded @ initrd stage. while unloading ata_piix, crashes , generate call trace.

5. when there single disk attached vm loading , unloading of ata_piix controller happens successfully, without problem.(note: disks running on ide controller).

6. 1 more strange thing is: when add 1 more virtual processor i.e. if 2 virtuall processors present in vm ata_piix gets uunloaded successfully, without crash. if single processor there if 1 disk attached. ata_piix gets unloaded if more 1 disk attached vm, unloading of ata_piix generate crash.

need resolve issue. please , let me know if need further info resolve same.

thanks,

indus.

hi sir,

it beyond scope of can support

>>when there single disk attached vm loading , unloading of ata_piix controller happens successfully, without problem.(note: disks running on ide controller).

please try put vhd file on ide controller see if there difference .

i suggest further assistance within following forum :

 https://social.technet.microsoft.com/forums/windowsserver/en-us/home?forum=linuxintegrationservices&filter=alltypes&sort=lastpostdesc

best regards,

elton ji

please remember mark replies answers if , unmark them if provide no help. if have feedback technet subscriber support, contact tnmff@microsoft.com .



Windows Server  >  Hyper-V



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