Sounds like something that should be commented in the source code.
IDE_TIMEOUT = 32; // 30 seconds per ATA specification +2 seconds thrown in
for safety
On Sat, Jun 1, 2013 at 3:21 PM, Kevin O'Connor wrote:
> On Fri, May 31, 2013 at 03:18:56AM +, Gonglei (Arei) wrote:
> >IDE_TIMEOUT is defined 32s. But we encountered its timeout in
> >some cases, and then loading disk failed in VM. In order to
> >reduce the probability of timeout, we want to enlarge the
> >IDE_TIMEOUT, such as 120s. We verified this modification worked
> >for us. But we are wondering if this modification may cause other
> >potential issues. Why set IDE_TIMEOUT to 32s? Thanks!
>
> The ATA specification specifies the maximum response time for many
> commands to be 30 seconds. The extra 2 seconds were thrown in for
> safety.
>
> -Kevin
>
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