Re: [PATCHv2] x86/kdump: bugfix, make the behavior of crashkernel=X consistent with kaslr

2018-12-26 Thread Pingfan Liu
On Wed, Dec 26, 2018 at 9:47 AM Dave Young wrote: > > On 12/14/18 at 12:07pm, Pingfan Liu wrote: > > Customer reported a bug on a high end server with many pcie devices, where > > kernel bootup with crashkernel=384M, and kaslr is enabled. Even > > though we still see much memory under 896 MB, the

Re: [PATCHv2] x86/kdump: bugfix, make the behavior of crashkernel=X consistent with kaslr

2018-12-26 Thread Pingfan Liu
On Wed, Dec 26, 2018 at 9:58 AM Dave Young wrote: > > On 12/14/18 at 12:07pm, Pingfan Liu wrote: > > Customer reported a bug on a high end server with many pcie devices, where > > kernel bootup with crashkernel=384M, and kaslr is enabled. Even > > though we still see much memory under 896 MB, the

Re: [PATCHv2] x86/kdump: bugfix, make the behavior of crashkernel=X consistent with kaslr

2018-12-25 Thread Dave Young
On 12/14/18 at 12:07pm, Pingfan Liu wrote: > Customer reported a bug on a high end server with many pcie devices, where > kernel bootup with crashkernel=384M, and kaslr is enabled. Even > though we still see much memory under 896 MB, the finding still failed > intermittently. Because currently we

Re: [PATCHv2] x86/kdump: bugfix, make the behavior of crashkernel=X consistent with kaslr

2018-12-25 Thread Dave Young
On 12/14/18 at 12:07pm, Pingfan Liu wrote: > Customer reported a bug on a high end server with many pcie devices, where > kernel bootup with crashkernel=384M, and kaslr is enabled. Even > though we still see much memory under 896 MB, the finding still failed > intermittently. Because currently we

Re: [PATCHv2] x86/kdump: bugfix, make the behavior of crashkernel=X consistent with kaslr

2018-12-20 Thread Baoquan He
On 12/21/18 at 03:18pm, Baoquan He wrote: > On 12/14/18 at 12:07pm, Pingfan Liu wrote: > > Customer reported a bug on a high end server with many pcie devices, where > > kernel bootup with crashkernel=384M, and kaslr is enabled. Even > > though we still see much memory under 896 MB, the finding

Re: [PATCHv2] x86/kdump: bugfix, make the behavior of crashkernel=X consistent with kaslr

2018-12-20 Thread Baoquan He
On 12/14/18 at 12:07pm, Pingfan Liu wrote: > Customer reported a bug on a high end server with many pcie devices, where > kernel bootup with crashkernel=384M, and kaslr is enabled. Even > though we still see much memory under 896 MB, the finding still failed > intermittently. Because currently we

[PATCHv2] x86/kdump: bugfix, make the behavior of crashkernel=X consistent with kaslr

2018-12-13 Thread Pingfan Liu
Customer reported a bug on a high end server with many pcie devices, where kernel bootup with crashkernel=384M, and kaslr is enabled. Even though we still see much memory under 896 MB, the finding still failed intermittently. Because currently we can only find region under 896 MB, if w/0 ',high'