Re: 3.9.0-rc1: kexec not working: root disk does not show up

2013-03-14 Thread Konstantin Khlebnikov
Vivek Goyal wrote: On Wed, Mar 13, 2013 at 06:53:16PM +0400, Konstantin Khlebnikov wrote: [..] PCI: Don't try to disable Bus Master on disconnected PCI devices From: Konstantin Khlebnikov This is fix for commit 7897e6022761ace7377f0f784fca059da55f5d71 from v3.9-rc1 ("PCI: Disable Bus Master u

Re: 3.9.0-rc1: kexec not working: root disk does not show up

2013-03-14 Thread Vivek Goyal
On Wed, Mar 13, 2013 at 06:53:16PM +0400, Konstantin Khlebnikov wrote: [..] > PCI: Don't try to disable Bus Master on disconnected PCI devices > > From: Konstantin Khlebnikov > > This is fix for commit 7897e6022761ace7377f0f784fca059da55f5d71 from v3.9-rc1 > ("PCI: Disable Bus Master unconditio

Re: 3.9.0-rc1: kexec not working: root disk does not show up

2013-03-13 Thread Konstantin Khlebnikov
Vivek Goyal wrote: On Wed, Mar 13, 2013 at 11:46:29AM +0400, Konstantin Khlebnikov wrote: [..] Ok, some more observation. - Problem seems to be in during shutdown path. Because older kernel 3.8 can kexec into newer kernel 3.9.rc1 but not vice-a-versa. I did git bisecting and following comm

Re: 3.9.0-rc1: kexec not working: root disk does not show up

2013-03-13 Thread Vivek Goyal
On Wed, Mar 13, 2013 at 11:46:29AM +0400, Konstantin Khlebnikov wrote: [..] > >Ok, some more observation. > > > >- Problem seems to be in during shutdown path. Because older kernel 3.8 > > can kexec into newer kernel 3.9.rc1 but not vice-a-versa. > > > >I did git bisecting and following commit s