Re: [Qemu-block] [PATCH 1/1] block/raw-posix: avoid bogus fixup for cylinders on DASD disks

2016-01-07 Thread Christian Borntraeger
On 12/14/2015 06:49 PM, Cornelia Huck wrote: > On Mon, 14 Dec 2015 16:41:19 +0100 > Christian Borntraeger wrote: > >> large volume DASD that have > 64k cylinders do claim to have >> 0xFFFE cylinders as special value in the old 16 bit field. We >> want to pass this "token" along to the guest, inst

Re: [Qemu-block] [PATCH 1/1] block/raw-posix: avoid bogus fixup for cylinders on DASD disks

2015-12-14 Thread Cornelia Huck
On Mon, 14 Dec 2015 16:41:19 +0100 Christian Borntraeger wrote: > large volume DASD that have > 64k cylinders do claim to have > 0xFFFE cylinders as special value in the old 16 bit field. We > want to pass this "token" along to the guest, instead of > calculating the real number. Otherwise qemu m

[Qemu-block] [PATCH 1/1] block/raw-posix: avoid bogus fixup for cylinders on DASD disks

2015-12-14 Thread Christian Borntraeger
large volume DASD that have > 64k cylinders do claim to have 0xFFFE cylinders as special value in the old 16 bit field. We want to pass this "token" along to the guest, instead of calculating the real number. Otherwise qemu might fail with "cyls must be between 1 and 65535" Acked-by: Cornelia Huck