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    SubjectRe: render error detected, EIR: 0x00000010
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    Hello Chris,

    On Fri, May 14, 2010 at 4:16 AM, Chris Wilson <chris@chris-wilson.co.uk> wrote:
    > On Fri, 14 May 2010 03:59:08 +0530, Jaswinder Singh Rajput <jaswinderlinux@gmail.com> wrote:
    >> Hello Chris,
    >>
    >> I am also getting display error on another PC :
    >>
    >> [   34.198957] render error detected, EIR: 0x00000010
    >> [   34.198972] [drm:i915_handle_error] *ERROR* EIR stuck: 0x00000010, masking
    >> [   34.198998] render error detected, EIR: 0x00000010
    >
    > Wow. Things are really amiss there. MI_SET_CONTEXT (the first instruction
    > in the batch) was removed in
    >
    >  commit 45f45c73469f1bd46a1b6fb206f2e9e5e4fd66b3
    >  Author: Eric Anholt <eric@anholt.net>
    >  Date:   Mon Dec 29 11:26:11 2008 -0800
    >
    >      Remove logical context setup.
    >
    > which explains why the destination bo is not on the active list, you
    > have a pre-GEM UMS xf86-video-intel (so the batchbuffer is using absolute
    > addressing rather than relocs and the kernel memory manager). The hardware
    > is reporting a PTE error (in the overlay plane!) and the single active
    > command is to clear the absolute buffer. As it is not being tracked by the
    > kernel, I can't tell you what's wrong with the buffer, but most probably
    > either the size or its stride is illegal in the context of that command.
    > Or maybe even the GTT hasn't been fully initialised for the buffer, it is
    > impossible to tell.
    >
    > In short, you can trade this bug against the risk of GTT incoherency that
    > is endemic on i8xx by updating your driver.
    >

    I am getting XWindows on this old machine so this is not so serious
    issue, I can ignore the error message ;-)

    I am more worried about Acer machine where I am not getting XWindows.

    Thanks,
    --
    Jaswinder Singh.
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