On Tue, 1 Apr 2008 22:41:06 -0700 (PDT) bugme-daemon@xxxxxxxxxxxxxxxxxxx wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=10379 > > Summary: when unloading ahci driver on ATI SB700 controller and > Western digital cavier 160 GB Hard drive cache is not > flushed to the media > Product: Drivers > Version: 2.5 > KernelVersion: 2.6.23.11 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: Other > AssignedTo: drivers_other@xxxxxxxxxxxxxxxxxxxx > ReportedBy: syed.azam@xxxxxx > > > Latest working kernel version:unknown > Earliest failing kernel version:2.6.23.11 > Distribution:vanilla kernel > Hardware Environment: ATI SB700 and Western digital 160 GB HD in legacy ide > mode using ahci/atiixp > Software Environment: AHCI > Problem Description: > rmmod ahci (no syncronization of sda) > modprobe ahci (drive is reset) > > the painful soloution is to rmmod and modprobe ahci driver > > The need to remove the ahci module is there because some small data writes are > not flushed to the media even after sync command is issued. if Reboot is issued > it works but if you lose power or suddenly switch off using power button the > writes which allegdley already returned success are not yet commited to media. > > MS Windows does not have this issue. > > HD experts told me that comreset is needed. > > > > > > > Steps to reproduce: > -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html