Added to drm-misc-fixes.
Am 29.01.23 um 09:28 schrieb Takashi Iwai:
When a fbdev with deferred I/O is once opened and closed, the dirty
pages still remain queued in the pageref list, and eventually later
those may be processed in the delayed work. This may lead to a
corruption of pages,
Am 29.01.23 um 09:28 schrieb Takashi Iwai:
When a fbdev with deferred I/O is once opened and closed, the dirty
pages still remain queued in the pageref list, and eventually later
those may be processed in the delayed work. This may lead to a
corruption of pages, hitting an Oops.
This patch
Hi,
this bug could be a symptom of the problem reported at [1].
Best regards
Thomas
[1]
https://lore.kernel.org/dri-devel/CAM0jSHOcvZoyv-y6bnvFaUybRQsDx_mfOydL1uaNM4T4PgcA=a...@mail.gmail.com/T/#mfbef4df9b49fc5fda9bcfa26db5ca13cdaef6d7e
Am 29.01.23 um 09:28 schrieb Takashi Iwai:
When a
On Mon, 30 Jan 2023 09:52:43 +0100,
Takashi Iwai wrote:
>
> > There's a call to cancel_delayed_work_sync() in the new helper
> > fb_deferred_io_release(). Is this the right function? Maybe
> > flush_delayed_work() is a better choice.
>
> I thought of that, but took a shorter path.
> OK, let's
On Mon, 30 Jan 2023 10:28:16 +0100,
Thomas Zimmermann wrote:
>
> Hi
>
> Am 30.01.23 um 09:52 schrieb Takashi Iwai:
> > On Mon, 30 Jan 2023 09:28:36 +0100,
> > Thomas Zimmermann wrote:
> >>
> >> Hi
> >>
> >> Am 29.01.23 um 09:28 schrieb Takashi Iwai:
> >>> When a fbdev with deferred I/O is once
Hi
Am 30.01.23 um 09:52 schrieb Takashi Iwai:
On Mon, 30 Jan 2023 09:28:36 +0100,
Thomas Zimmermann wrote:
Hi
Am 29.01.23 um 09:28 schrieb Takashi Iwai:
When a fbdev with deferred I/O is once opened and closed, the dirty
pages still remain queued in the pageref list, and eventually later
On Mon, 30 Jan 2023 09:28:36 +0100,
Thomas Zimmermann wrote:
>
> Hi
>
> Am 29.01.23 um 09:28 schrieb Takashi Iwai:
> > When a fbdev with deferred I/O is once opened and closed, the dirty
> > pages still remain queued in the pageref list, and eventually later
> > those may be processed in the
Hi
Am 29.01.23 um 09:28 schrieb Takashi Iwai:
When a fbdev with deferred I/O is once opened and closed, the dirty
pages still remain queued in the pageref list, and eventually later
those may be processed in the delayed work. This may lead to a
corruption of pages, hitting an Oops.
Do you
On Sun, 2023-01-29 at 09:28 +0100, Takashi Iwai wrote:
> When a fbdev with deferred I/O is once opened and closed, the dirty
> pages still remain queued in the pageref list, and eventually later
> those may be processed in the delayed work. This may lead to a
> corruption of pages, hitting an
When a fbdev with deferred I/O is once opened and closed, the dirty
pages still remain queued in the pageref list, and eventually later
those may be processed in the delayed work. This may lead to a
corruption of pages, hitting an Oops.
This patch makes sure to cancel the delayed work and clean
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