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    SubjectRe: [git pull] drm fixes + agp + one fb patch (bisected)
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    On Wed, Jun 30, 2010 at 11:14 AM, Markus Trippelsdorf
    <markus@trippelsdorf.de> wrote:
    > On Wed, Jun 30, 2010 at 11:03:33AM -0400, Alex Deucher wrote:
    >> On Wed, Jun 30, 2010 at 10:58 AM, Markus Trippelsdorf
    >> <markus@trippelsdorf.de> wrote:
    >> > On Wed, Jun 30, 2010 at 10:49:41AM -0400, Alex Deucher wrote:
    >> >> On Wed, Jun 30, 2010 at 3:31 AM, Markus Trippelsdorf
    >> >> <markus@trippelsdorf.de> wrote:
    >> >> > On Wed, Jun 30, 2010 at 08:54:40AM +0200, Markus Trippelsdorf wrote:
    >> >> >> On Wed, Jun 30, 2010 at 02:03:04AM +0100, Dave Airlie wrote:
    >> >> >> >
    >> >> >> > one fb layer fix in a flag I introduced,
    >> >> >> >
    >> >> >> > the rest are drm fixes:
    >> >> >> > radeon fixes: the larger ones in the command stream checker for older cards,
    >> >> >> > which was causing a lot of userspace apps to fail. Also some powerpc server fixes.
    >> >> >> > along with some updates to the evergreen command stream checker introduced in -rc1.
    >> >> >> >
    >> >> >> > agp: fix issue with warning on memory allocation + fallback to vmalloc.
    >> >> >> > ttm: fix regression introduced in -rc1 in memory allocation paths.
    >> >> >> >
    >> >> >> > The following changes since commit 7e27d6e778cd87b6f2415515d7127eba53fe5d02:
    >> >> >> >
    >> >> >> >   Linux 2.6.35-rc3 (2010-06-11 19:14:04 -0700)
    >> >> >> >
    >> >> >>
    >> >> >> I've tested these patches and they break my setup (RS780). On reboot, the
    >> >> >> monitor goes straight to powersaving mode and no framebuffer is shown.
    >> >> >
    >> >> > This is the result of the bisection:
    >> >> >
    >> >> > 07d4190327b02ab3aaad25a2d168f79d92e8f8c2 is the first bad commit
    >> >> > commit 07d4190327b02ab3aaad25a2d168f79d92e8f8c2
    >> >> > Author: Alex Deucher <alexdeucher@gmail.com>
    >> >> > Date:   Sat Jun 12 11:50:13 2010 -0400
    >> >> >
    >> >> >    drm/radeon/kms: fix bandwidth calculation when sideport is present
    >> >> >
    >> >> >    Fixes fdo bug 27529:
    >> >> >    https://bugs.freedesktop.org/show_bug.cgi?id=27529
    >> >> >
    >> >> >    Reported-by: steckdenis@yahoo.fr
    >> >> >    Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
    >> >> >    Cc: stable <stable@kernel.org>
    >> >> >    Signed-off-by: Dave Airlie <airlied@redhat.com>
    >> >>
    >> >> Markus, can you send me a copy of your vbios? as root:
    >> >> cd /sys/bus/pci/devices/<pci bus id of video card>
    >> >> echo 1 > rom
    >> >> cat rom ? /tmp/vbio.rom
    >> >> echo 0 > rom
    >> >
    >> > Attached.
    >> >
    >> >>
    >> >> Also, when you say "on reboot" do you mean the card comes up ok
    >> >> initially with the new kernel and then fails after a reboot, or fails
    >> >> directly after booting the new kernel?  Also, is there an oops or
    >> >> anything like that in dmesg?
    >> >
    >> > It fails directly after booting the new kernel. There is no oops or
    >> > anything like it in dmesg, because the kernel fails so early that it
    >> > could not log anything.
    >>
    >> Is the machine still pingable?  Can you ssh in? or is it completely dead?
    >
    > I don't think so. There is no disk activivy after the hang, but maybe
    > the kernel displays an oops, which I just can't see.

    I found the problem. Patch on the way.

    Alex
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