Re: Crashes under Xen with Radeon graphics card

2023-12-18 Thread Juergen Gross
On 15.12.23 17:19, Deucher, Alexander wrote: [AMD Official Use Only - General] -Original Message- From: Juergen Gross Sent: Friday, December 15, 2023 11:13 AM To: Deucher, Alexander ; lkml ; xen-de...@lists.xenproject.org; amd- g...@lists.freedesktop.org Cc: Koenig, Christian ; Pan

Re: Crashes under Xen with Radeon graphics card

2023-12-15 Thread Juergen Gross
On 15.12.23 17:04, Deucher, Alexander wrote: [Public] -Original Message- From: Juergen Gross Sent: Friday, December 15, 2023 6:57 AM To: lkml ; xen-de...@lists.xenproject.org; amd- g...@lists.freedesktop.org Cc: Deucher, Alexander ; Koenig, Christian ; Pan, Xinhui Subject: Crashes

Crashes under Xen with Radeon graphics card

2023-12-15 Thread Juergen Gross
Hi, I recently stumbled over a test system which showed crashes probably resulting from memory being overwritten randomly. The problem is occurring only in Dom0 when running under Xen. It seems to be present since at least kernel 6.3 (I didn't go back further yet), and it seems NOT to be present

Re: [RFC PATCH 1/5] x86/xen: disable swiotlb for xen pvh

2023-03-16 Thread Juergen Gross
On 16.03.23 14:53, Alex Deucher wrote: On Thu, Mar 16, 2023 at 9:48 AM Juergen Gross wrote: On 16.03.23 14:45, Alex Deucher wrote: On Thu, Mar 16, 2023 at 3:50 AM Jan Beulich wrote: On 16.03.2023 00:25, Stefano Stabellini wrote: On Wed, 15 Mar 2023, Jan Beulich wrote: On 15.03.2023 01

Re: [RFC PATCH 1/5] x86/xen: disable swiotlb for xen pvh

2023-03-16 Thread Juergen Gross
On 16.03.23 14:45, Alex Deucher wrote: On Thu, Mar 16, 2023 at 3:50 AM Jan Beulich wrote: On 16.03.2023 00:25, Stefano Stabellini wrote: On Wed, 15 Mar 2023, Jan Beulich wrote: On 15.03.2023 01:52, Stefano Stabellini wrote: On Mon, 13 Mar 2023, Jan Beulich wrote: On 12.03.2023 13:01, Huang

Re: [PATCH v2 20/34] xen: convert put_page() to put_user_page*()

2019-08-04 Thread Juergen Gross
fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). This also handles pages[i] == NULL cases, thanks to an approach that is actually written by Juergen Gross. Signed-off-by: Juergen Gross Signed-off-by: John Hubbard Cc: Boris Ostrovsky Cc: xen-de...@lists.xenproject.o

Re: [PATCH 20/34] xen: convert put_page() to put_user_page*()

2019-08-02 Thread Juergen Gross
On 02.08.19 07:48, John Hubbard wrote: On 8/1/19 9:36 PM, Juergen Gross wrote: On 02.08.19 04:19, john.hubb...@gmail.com wrote: From: John Hubbard ... diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index 2f5ce7230a43..29e461dbee2d 100644 --- a/drivers/xen/privcmd.c +++ b/drivers

Re: [PATCH 20/34] xen: convert put_page() to put_user_page*()

2019-08-01 Thread Juergen Gross
fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Boris Ostrovsky Cc: Juergen Gross Cc: xen-de...@lists.xenproject.org Signed-off-by: John Hubbard --- drivers/xen/gntdev.c | 5 + drivers/xen/privcmd.c | 7 +-- 2 files changed, 2 insertions(+), 10 deletion