Re: [Xen-devel] Linux 5.0 regression: BUG: unable to handle kernel paging request at ffff888023e26778

2019-02-09 Thread Andrew Cooper
On 09/02/2019 18:54, Linus Torvalds wrote: > On Sat, Feb 9, 2019 at 12:24 AM Sander Eikelenboom > wrote: >> I haven't got a reproducer so i might be hard to hit it again, >> system is AMD and this is from the host kernel running under >> the Xen hypervisor might it matter. > I think this is a

Re: [Xen-devel] Linux 5.0 regression: BUG: unable to handle kernel paging request at ffff888023e26778 RIP: e030:move_page_tables+0x7c1/0xae0

2019-02-09 Thread Juergen Gross
On 09/02/2019 19:51, Sander Eikelenboom wrote: > On 09/02/2019 19:48, Juergen Gross wrote: >> On 09/02/2019 19:45, Sander Eikelenboom wrote: >>> On 09/02/2019 09:26, Sander Eikelenboom wrote: L.S., While testing a Linux 5.0-rc5-ish kernel (pull of yesterday) with some

Re: [Xen-devel] Linux 5.0 regression: BUG: unable to handle kernel paging request at ffff888023e26778

2019-02-09 Thread Linus Torvalds
On Sat, Feb 9, 2019 at 12:24 AM Sander Eikelenboom wrote: > > I haven't got a reproducer so i might be hard to hit it again, > system is AMD and this is from the host kernel running under > the Xen hypervisor might it matter. I think this is a Xen bug. In particular, there's a few poison values

Re: [Xen-devel] Linux 5.0 regression: BUG: unable to handle kernel paging request at ffff888023e26778 RIP: e030:move_page_tables+0x7c1/0xae0

2019-02-09 Thread Sander Eikelenboom
On 09/02/2019 19:48, Juergen Gross wrote: > On 09/02/2019 19:45, Sander Eikelenboom wrote: >> On 09/02/2019 09:26, Sander Eikelenboom wrote: >>> L.S., >>> >>> >>> While testing a Linux 5.0-rc5-ish kernel (pull of yesterday) with some >>> additional patches for >>> already reported other issues i

Re: [Xen-devel] Linux 5.0 regression: BUG: unable to handle kernel paging request at ffff888023e26778 RIP: e030:move_page_tables+0x7c1/0xae0

2019-02-09 Thread Juergen Gross
On 09/02/2019 19:45, Sander Eikelenboom wrote: > On 09/02/2019 09:26, Sander Eikelenboom wrote: >> L.S., >> >> >> While testing a Linux 5.0-rc5-ish kernel (pull of yesterday) with some >> additional patches for >> already reported other issues i came across the issue below which i haven't >>

[Xen-devel] Linux 5.0 regression: BUG: unable to handle kernel paging request at ffff888023e26778

2019-02-09 Thread Sander Eikelenboom
L.S., While testing a Linux 5.0-rc5-ish kernel (pull of yesterday) with some additional patches for already reported other issues i came across the issue below which i haven't seen with 4.20.x I haven't got a reproducer so i might be hard to hit it again, system is AMD and this is from the