On 07/25/2012 07:56 PM, Matthias Prager wrote: > > I don't yet understand all the code but I'm following your discussion > with Tejun: I've set up a minimal vm running gentoo with a mpt2sas > driven controller in passthrough mode. I've applied your proposed patch > against the vanilla 3.5.0 kernel (which includes Tejun's commit), and > I'm happy to report the problem does seem to get fixed by it.
I can confirm this on my hardware as well with both 3.4.4 and 3.5.0. Without James' patch the kernels will immediately drop the I/O and with the patch both kernels will wake the SATA disks and then complete the I/O successfully. -- Robert -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
