Re: drm/fbdev-dma: regression

2024-12-11 Thread Thomas Zimmermann
Hi Am 09.12.24 um 14:56 schrieb Nuno Gonçalves: On Mon, Dec 9, 2024 at 1:43 PM Thomas Zimmermann wrote: Thanks you so much for testing. I'll prepare a real patch. Can I add your Reported-by and Tested-by tags? Reported-by: Nuno Gonçalves Tested-by: Nuno Gonçalves Thanks a lot. I've sent

Re: drm/fbdev-dma: regression

2024-12-09 Thread Nuno Gonçalves
On Mon, Dec 9, 2024 at 1:43 PM Thomas Zimmermann wrote: > Thanks you so much for testing. I'll prepare a real patch. Can I add > your Reported-by and Tested-by tags? Reported-by: Nuno Gonçalves Tested-by: Nuno Gonçalves Thanks, Nuno

Re: drm/fbdev-dma: regression

2024-12-09 Thread Thomas Zimmermann
Hi Am 07.12.24 um 23:36 schrieb Nuno Gonçalves: On Mon, Dec 2, 2024 at 12:18 PM Thomas Zimmermann wrote: Thanks for testing. Attached is another patch. It attempts to restore the fbdev handling as before the regression. Please give it a try. This one fixes it for me. Thanks Thanks you so m

Re: drm/fbdev-dma: regression

2024-12-07 Thread Nuno Gonçalves
On Mon, Dec 2, 2024 at 12:18 PM Thomas Zimmermann wrote: > Thanks for testing. Attached is another patch. It attempts to restore > the fbdev handling as before the regression. Please give it a try. This one fixes it for me. Thanks

Re: drm/fbdev-dma: regression

2024-12-02 Thread Thomas Zimmermann
Hi Am 29.11.24 um 00:37 schrieb Nuno Gonçalves: Here's a first attempt to address this bug. Could you please apply the attached patch and report on the results? It should work against the upcoming v6.13-rc1 or against a recent drm-misc-next. Hi. No luck yet. Thanks for testing. Attached is a

Re: drm/fbdev-dma: regression

2024-11-28 Thread Nuno Gonçalves
> Here's a first attempt to address this bug. Could you please apply the > attached patch and report on the results? It should work against the > upcoming v6.13-rc1 or against a recent drm-misc-next. Hi. No luck yet. I collected crashes before the patch: BUG: Bad page map in process husband pte

Re: drm/fbdev-dma: regression

2024-11-28 Thread Thomas Zimmermann
Hi Am 11.11.24 um 14:42 schrieb Nuno Gonçalves: On Mon, Nov 11, 2024 at 1:22 PM Thomas Zimmermann wrote: The patch in question changes the whole memory management of the affected code. It's also noteworthy that most of it has been reworked for the upcoming v6.12. Maybe this already fixed the p

Re: drm/fbdev-dma: regression

2024-11-12 Thread Thomas Zimmermann
Hi Am 11.11.24 um 20:06 schrieb Nuno Gonçalves: On Mon, Nov 11, 2024, 14:37 Thomas Zimmermann wrote: Hi Am 11.11.24 um 14:42 schrieb Nuno Gonçalves: > On Mon, Nov 11, 2024 at 1:22 PM Thomas Zimmermann wrote: >> The patch in question changes the whole memory management

Re: drm/fbdev-dma: regression

2024-11-11 Thread Nuno Gonçalves
On Mon, Nov 11, 2024, 14:37 Thomas Zimmermann wrote: > Hi > > > Am 11.11.24 um 14:42 schrieb Nuno Gonçalves: > > On Mon, Nov 11, 2024 at 1:22 PM Thomas Zimmermann > wrote: > >> The patch in question changes the whole memory management of the > >> affected code. It's also noteworthy that most of

Re: drm/fbdev-dma: regression

2024-11-11 Thread Thomas Zimmermann
Hi Am 11.11.24 um 14:42 schrieb Nuno Gonçalves: On Mon, Nov 11, 2024 at 1:22 PM Thomas Zimmermann wrote: The patch in question changes the whole memory management of the affected code. It's also noteworthy that most of it has been reworked for the upcoming v6.12. Maybe this already fixed the

Re: drm/fbdev-dma: regression

2024-11-11 Thread Nuno Gonçalves
On Mon, Nov 11, 2024 at 1:22 PM Thomas Zimmermann wrote: > The patch in question changes the whole memory management of the > affected code. It's also noteworthy that most of it has been reworked > for the upcoming v6.12. Maybe this already fixed the problem. Kernel > v6.11-rc7 added commit 5a498d

Re: drm/fbdev-dma: regression

2024-11-11 Thread Thomas Zimmermann
Hi Am 11.11.24 um 12:51 schrieb Thorsten Leemhuis: [CCing a few more lists] On 21.10.24 15:03, Nuno Gonçalves wrote: Since 5ab91447aa13b8b98bc11f5326f33500b0ee2c48 and still happening in master, I often get a kernel crash, either a "Unable to handle kernel NULL pointer dereference at virtual

Re: drm/fbdev-dma: regression

2024-11-11 Thread Thorsten Leemhuis
[CCing a few more lists] On 21.10.24 15:03, Nuno Gonçalves wrote: > > Since 5ab91447aa13b8b98bc11f5326f33500b0ee2c48 and still happening in > master, I often get a kernel crash, either a "Unable to handle kernel > NULL pointer dereference at virtual address" or "Unable to handle > kernel paging r

drm/fbdev-dma: regression

2024-10-21 Thread Nuno Gonçalves
Hi Thomas, Since 5ab91447aa13b8b98bc11f5326f33500b0ee2c48 and still happening in master, I often get a kernel crash, either a "Unable to handle kernel NULL pointer dereference at virtual address" or "Unable to handle kernel paging request at virtual address". This happens in ARM64 with ili9225 an