[Pkg-sysvinit-devel] #426224 fix for etchnhalf?

[dann frazier]

sysvinit maintainers: any objection to uploading this to p-u for
etchnhalf? I can do the upload if you like (SRM permitting).

On Wed, Apr 30, 2008 at 05:25:39PM -0600, dann frazier wrote:
> On Mon, Apr 28, 2008 at 04:51:08PM -0600, dann frazier wrote:
> > On Sat, Apr 26, 2008 at 08:06:54PM +0200, Petter Reinholdtsen wrote:
> > > [Luk Claes]
> > > > Any progress on this?
> > > 
> > > I'm not aware on anyone working on it.  I am busy elsewhere, and do
> > > not expect to be able to look at this for at least a month. :(
> > > 
> > > I suspect the sysvinit maintainer team need fresh blood to be able to
> > > push down the amount of bugs, and to work on updates in Etch.  The
> > > current members seem to be sury elsewhere, and at least I can only
> > > look at sysvinit in bursts. :)
> > 
> > I have access to quite a bit of hardware, do you have a suggested set
> > of tests we can use for validation?
> 
> I did some tests on a couple laptops here running fresh etch installs,
> one that uses ahci/libata under both kernels, the other not. I can dig
> up others configs if desired.
> 
> Test Machine #1: hp nc2400
> --------------------------
> Controller:
>   00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 01)
> 
> I notice no behavior change with any combination of 2.6.24/2.6.18 and
> the patched/unpatched shutdown. Both output:
> 
>     Will now halt.
>     Shutdown: hda
>     System halted.
> 
> Test Machine #2: hp nc6320
> --------------------------
> Controller:
>   00:1f.2 SATA controller: Intel Corporation 82801GBM/GHM (ICH7 Family) Serial ATA Storage Controller AHCI (rev 01)
> 
> There is no obvious change between the two shutdown commands on 2.6.18:
> 
>     Will now halt.
>     Synchronizing SCSI cache from disk sda:
>     System halted.
> 
> 2.6.24 shows the well known warning w/ the unpatched shutdown:
> 
>     Will now halt.
>     sd 0:0:0:0: [sda] Synchronizing SCSI cache
>     sd 0:0:0:0: [sda] Stopping disk
>     ata1.00: DISK MIGHT NOT BE SPUN DOWN PROPERLY. UPDATE SHUTDOWN UTILITY
>     ata1.0.0: For more info, visit http://linux-ata.org/shutdown.html
>     System halted.
> 
> 2.6.24 w/ a patched shutdown does not:
> 
>     Will now halt.
>     sd 0:0:0:0: [sda] Synchronizing SCSI cache
>     sd 0:0:0:0: [sda] Stopping disk
>     System halted.
> 
> Not important, but for completion:
> * In all cases, 2.6.18 also outputed a "psmouse.c: bad data from KBC -
>   timeout" message just before "System halted.". 
> * 2.6.18 on the nc6320 printed some usb hub status errors after
>   "System halted." in both cases.
> 
> Conclusion
> ----------
>  There doesn't appear to be any regressions here for 2.6.18 users, and
>  it does successfully get rid of the warning message for 2.6.24 users.
>  This doesn't of course prove that the shutdown is occuring as
>  expected, but it is a good sign. (I'm unsure how to *prove* that the
>  disks are getting properly spundown - my ears aren't sensitive to
>  detect a difference.)
> 

-- 
dann frazier