Re: kern/44002: 3ware 9690 (ld driver) doesn't respond after transfer big amount of data

[David Holland <dholland-bugs%netbsd.org@localhost>]

The following reply was made to PR kern/44002; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/44002: 3ware 9690 (ld driver) doesn't respond after
 transfer big amount of data
Date: Fri, 29 Oct 2010 04:37:47 +0000

 On Thu, Oct 28, 2010 at 09:25:02PM +0000, Jiri Novotny wrote:
  >    0     0 ioflush         0    0  58   52 124  0    0 18040 genput DL-  ?
 
 That one there's probably the thing it's stuck behind. Since all the
 other stuff looks normal and/or idle, though, I guess it means that
 I/O to the twa went off and never came back. Which given the other
 symptoms is not unexpected.
 
  >  > So twa0 shares interrupt with wm0 and uhci0.
  >  > I have 2 systems with 3ware (these are 9550X, not 9650 though),
  >  > but the controllers are alone on their interrupt line.
  >  > I'm not sure if this can be the problem, but I would try to
  >  > disable some devices so that twa0 doens't share interrupt with
  >  > anything else.
  >  
  >  Could you give me a hint how to disable these devices,
  >  or how can I say to twa to use other interupt line than uhci ?
  >  I have keyboard and mouse on usb, but dosn't metter 
  >  because I use remote access. On other hand, I have system on USB
  >  disk ...
 
 You can disable devices at boot time (boot -c from the boot prompt,
 then "disable uhci0") but if your keyboard is connected via usb that
 may not go so well.
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost