Re: Re: Re: BUG in kernel: Wrong Handling of USB HDD’s in scsiglue(slave_configure) and scsi/sd(sd_read_cache_type)

Amit Sahrawat
2011-10-04T15:34:49Z

On Tue, Oct 4, 2011 at 7:40 PM, Alan Stern <stern@rowland.harvard.edu> wrote:
> On Tue, 4 Oct 2011, Amit Sahrawat wrote:
>
>> Not able to get tools which can show the Caching Information when
>> connected USB device to Windows 7(Except one option which allows for
>> optimizing Performance by enabling/disabling Cache - But that option
>> is available for all the Mass storage device) - Please let me know if
>> there is option to view this.
>
> I have no idea.
>
>> So, I have collected USB analyzer logs for Device after connected to
>> Windows 7.  Please find the attached logs.
>
> It would be more informative if your logs did not show the initial
> connection, but did show what happens when you write a small file to
> the drive and then go through the "Safely Remove Hardware" procedure.
>
> The real question is whether or not Windows sends a SYNCHRONIZE CACHE
> command to the drive.
ok, I will try this out and provide the results tomorrow early morning.
>
> Alan Stern
>
>
Thanks & Regards,
Amit Sahrawat