linux-kernel - RE: [git patches] libata fixes

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Message-ID: <017f01c7640b$fbcafab0$2101a8c0@donald>
Date:	Sun, 11 Mar 2007 19:34:58 +0100
From:	"Paul Rolland" <rol@...917.net>
To:	"'Linus Torvalds'" <torvalds@...ux-foundation.org>
Cc:	"'Tejun Heo'" <htejun@...il.com>,
	"'Jeff Garzik'" <jeff@...zik.org>,
	"'Andrew Morton'" <akpm@...ux-foundation.org>,
	<linux-ide@...r.kernel.org>,
	"'LKML'" <linux-kernel@...r.kernel.org>,
	"'Eric D. Mudama'" <edmudama@...il.com>
Subject: RE: [git patches] libata fixes

Hello,

>  do I understand correctly that the *only* difference between 
> the working 
> setup is that you applied (by hand) the libata patch that 
> Jeff sent out?
> 
> So plain 2.6.21-rc2 works fine, but with the patch applied, 
> you get no 
> interrupts on the DVD drive?

Nope... I tried several patches from Tejun, and also some that Jeff posted
to linux-ide, but no luck. The only way to have this DVD-RW working is to
use irqpoll on the command line...

Sorry to have been unclear....

To complete, here are some more output from the machine : 
 - a dmesg without irqpoll,
 - a dmesg with irqpoll,
 - a copy of /proc/interrupts
6 [19:33] rol@...i:~> cat /proc/interrupts 
           CPU0       CPU1       
  0:     357022          0   IO-APIC-edge      timer
  1:          8          0   IO-APIC-edge      i8042
  4:         14          0   IO-APIC-edge      serial
  6:          5          0   IO-APIC-edge      floppy
  8:          1          0   IO-APIC-edge      rtc
  9:          0          0   IO-APIC-fasteoi   acpi
 12:        129          0   IO-APIC-edge      i8042
 14:       7639          0   IO-APIC-edge      libata
 15:          0          0   IO-APIC-edge      libata
 16:          0          0   IO-APIC-fasteoi   libata
 17:          0          0   IO-APIC-fasteoi   uhci_hcd:usb3
 18:          0          0   IO-APIC-fasteoi   uhci_hcd:usb4
 19:        204          0   IO-APIC-fasteoi   uhci_hcd:usb5, HDA Intel
 20:        107          0   IO-APIC-fasteoi   ehci_hcd:usb1, uhci_hcd:usb2
 21:          3          0   IO-APIC-fasteoi   ohci1394
504:       8243          0   PCI-MSI-edge      libata
505:          1          0   PCI-MSI-edge      eth1
506:        386          0   PCI-MSI-edge      eth0
NMI:        771        531 
LOC:     569318     578684 
ERR:          0

Regards,
Paul

Download attachment "dmesg-2.6.21-rc2" of type "application/octet-stream" (30926 bytes)

Download attachment "dmesg-2.6.21-rc2-irqpoll-dvd" of type "application/octet-stream" (29477 bytes)