From: Linus Torvalds <torvalds@linux-foundation.org> To: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Dave Airlie <airlied@linux.ie>, Chris Wilson <chris@chris-wilson.co.uk>, linux-kernel@vger.kernel.org, DRI mailing list <dri-devel@lists.freedesktop.org> Subject: Re: [git pull] drm intel only fixes Date: Wed, 12 Jan 2011 14:31:33 -0800 [thread overview] Message-ID: <AANLkTinbyTOirefH91=9feSAUZtgRO1xyHsZsewfz3DG@mail.gmail.com> (raw) In-Reply-To: <20110112142206.37a1b76d@jbarnes-desktop> On Wed, Jan 12, 2011 at 2:22 PM, Jesse Barnes <jbarnes@virtuousgeek.org> wrote: > > Ah, ok. So it could be our internal FDI link is underrunning; it goes > between the CPU and PCH and carries display bits. I'm not sure it's an underrun or anything like that: the corruption is long-term in the non-video case. So I take back the "looks like memory bandwidth problems", because it really looks more like a corrupted blit operation there. > Are these both desktop type machines with DVI attached monitors? DVI on the Core i5, plain analog VGA on the sandybridge one (I can hear you asking "Why?". Because the silly intel motherboard doesn't _have_ DVI out, and I didn't have a hdmi cable) > If it's an FDI or transcoder problem, something like the below may give > us more info. See above. It's long-term, it was just the video behavior that made me originally think it was temporary. > Can you take a picture of the corruption? Will do. I'll have to reboot to the broken kernel (my bisection ended in a non-broken case) Linus
WARNING: multiple messages have this Message-ID (diff)
From: Linus Torvalds <torvalds@linux-foundation.org> To: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: linux-kernel@vger.kernel.org, DRI mailing list <dri-devel@lists.freedesktop.org> Subject: Re: [git pull] drm intel only fixes Date: Wed, 12 Jan 2011 14:31:33 -0800 [thread overview] Message-ID: <AANLkTinbyTOirefH91=9feSAUZtgRO1xyHsZsewfz3DG@mail.gmail.com> (raw) In-Reply-To: <20110112142206.37a1b76d@jbarnes-desktop> On Wed, Jan 12, 2011 at 2:22 PM, Jesse Barnes <jbarnes@virtuousgeek.org> wrote: > > Ah, ok. So it could be our internal FDI link is underrunning; it goes > between the CPU and PCH and carries display bits. I'm not sure it's an underrun or anything like that: the corruption is long-term in the non-video case. So I take back the "looks like memory bandwidth problems", because it really looks more like a corrupted blit operation there. > Are these both desktop type machines with DVI attached monitors? DVI on the Core i5, plain analog VGA on the sandybridge one (I can hear you asking "Why?". Because the silly intel motherboard doesn't _have_ DVI out, and I didn't have a hdmi cable) > If it's an FDI or transcoder problem, something like the below may give > us more info. See above. It's long-term, it was just the video behavior that made me originally think it was temporary. > Can you take a picture of the corruption? Will do. I'll have to reboot to the broken kernel (my bisection ended in a non-broken case) Linus
next prev parent reply other threads:[~2011-01-12 22:32 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-01-12 6:03 [git pull] drm intel only fixes Dave Airlie 2011-01-12 19:22 ` Linus Torvalds 2011-01-12 19:46 ` Jesse Barnes 2011-01-12 20:27 ` Linus Torvalds 2011-01-12 21:28 ` Linus Torvalds 2011-01-12 21:28 ` Linus Torvalds 2011-01-12 22:22 ` Jesse Barnes 2011-01-12 22:31 ` Linus Torvalds [this message] 2011-01-12 22:31 ` Linus Torvalds 2011-01-12 23:06 ` Jesse Barnes 2011-01-12 22:24 ` Linus Torvalds 2011-01-12 22:40 ` Chris Wilson 2011-01-12 23:05 ` Linus Torvalds 2011-01-12 23:18 ` Chris Wilson
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to='AANLkTinbyTOirefH91=9feSAUZtgRO1xyHsZsewfz3DG@mail.gmail.com' \ --to=torvalds@linux-foundation.org \ --cc=airlied@linux.ie \ --cc=chris@chris-wilson.co.uk \ --cc=dri-devel@lists.freedesktop.org \ --cc=jbarnes@virtuousgeek.org \ --cc=linux-kernel@vger.kernel.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.