lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Tue, 04 Nov 2008 07:22:34 +1100
From:	Benjamin Herrenschmidt <>
To:	James Cloos <>
	Andrew Morton <>,
	Linus Torvalds <>,
	"David S. Miller" <>,
	Krzysztof Halasa <>
Subject: Re: [Linux-fbdev-devel] radeonfb lockup in .28-rc (bisected)

On Mon, 2008-11-03 at 10:33 -0500, James Cloos wrote:
> >>>>> "Benjamin" == Benjamin Herrenschmidt <> writes:
> >> is in play.  It is probably spinning through all of the 2000000 possible
> >> udelay(10) calls.  I don't think I ever gave it twenty seconds before
> >> giving up.  And certainly not forty seconds, if the freeze happens after
> >> setting the DST_Y_X register.
> Benjamin> Well, setting DST_Y_X is what triggers the transfer. The above
> Benjamin> means that the FIFO isn't emptying (ie, the engine is locked up).
> I gave it another try over the weekend and let it sit for five minutes.
> The reset message never appeared.

Because it's probably going to lockup trying to display it :-) I need to
make that stuff a bit more robust, by disabling acceleration if the
engine locks up for example.

> Again, that is fine by me.  Otherwise I'll just leave the #if0 commit
> in my compile clone.

Allright, we'll see what I come up with, and at worst, I'll just revert
the whole thing.


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

Powered by blists - more mailing lists