Re: Problems with MSI-X on ia64

[Greg KH <greg@kroah.com>]

On Thu, Jan 26, 2006 at 02:37:14PM -0600, Miller, Mike (OS Dev) wrote:
> > -----Original Message-----
> > From: Grundler, Grant G 
> > > We're using a 2.6.9 variant and a cciss driver with 
> > MSI/MSI-X support.
> > > The kernel has MSI enabled. On ia64 the MSI-X table is all zeroes.
> > 
> > Could you post the debug output you've collected so far?
> 
> There are 2 MSI-X capable controllers in the system. On IPF this is what
> the tables look like:
> 
> cciss: offset = 0xfe000 table offset = 0xfe000 BIR = 0x0
> cciss: 0: vector = 0,msg data = 0, msg upper addr = 0,msg addr = 0
> cciss: 1: vector = 0,msg data = 0, msg upper addr = 0,msg addr = 0
> cciss: 2: vector = 0,msg data = 0, msg upper addr = 0,msg addr = 0
> cciss: 3: vector = 0,msg data = 0, msg upper addr = 0,msg addr = 0
> cciss: using DAC cycles
> ACPI: PCI interrupt 0000:88:00.0[A] -> GSI 71 (level, low) -> IRQ 61
> cciss: MSI-X enabled
> cciss: offset = 0xfe000 table offset = 0xfe000 BIR = 0x0
> cciss: 0: vector = 0,msg data = 0, msg upper addr = 0,msg addr = 0
> cciss: 1: vector = 0,msg data = 0, msg upper addr = 0,msg addr = 0
> cciss: 2: vector = 0,msg data = 0, msg upper addr = 0,msg addr = 0
> cciss: 3: vector = 0,msg data = 0, msg upper addr = 0,msg addr = 0
> cciss: using DAC cycles
> blocks= 143305920 block_size= 512
> heads= 255, sectors= 32, cylinders= 17562
>  
> blocks= 142130880 block_size= 512
> heads= 255, sectors= 32, cylinders= 17418
>  
> cciss/c2d0:
> 
> And this is where we hang, when enabling interrupts in the driver.

Can you try 2.6.15, or possibly 2.6.16-rc1-mm3?

thanks,

greg k-h