RE: [PATCH v5] Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic

2018-06-11 Thread Sunil Muthuswamy
> -Original Message- > From: KY Srinivasan > Sent: Monday, June 11, 2018 11:39 AM > To: Sunil Muthuswamy ; Haiyang Zhang > > Cc: de...@linuxdriverproject.org; Stephen Hemminger > > Subject: RE: [PATCH v5] Drivers: HV: Send one page worth of kmsg dump >

RE: [PATCH v5] Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic

2018-06-11 Thread KY Srinivasan
> -Original Message- > From: Sunil Muthuswamy > Sent: Monday, June 11, 2018 10:44 AM > To: KY Srinivasan ; Haiyang Zhang > > Cc: de...@linuxdriverproject.org; Stephen Hemminger > > Subject: RE: [PATCH v5] Drivers: HV: Send one page worth of kmsg dump >

RE: [PATCH v5] Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic

2018-06-11 Thread Sunil Muthuswamy
> -Original Message- > From: KY Srinivasan > Sent: Sunday, June 10, 2018 2:54 PM > To: Sunil Muthuswamy ; Haiyang Zhang > > Cc: de...@linuxdriverproject.org; Stephen Hemminger > > Subject: RE: [PATCH v5] Drivers: HV: Send one page worth of kmsg dump >

RE: [PATCH v5] Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic

2018-06-10 Thread KY Srinivasan
> -Original Message- > From: Sunil Muthuswamy > Sent: Friday, June 8, 2018 11:39 AM > To: Haiyang Zhang > Cc: de...@linuxdriverproject.org; Sunil Muthuswamy > ; KY Srinivasan ; Stephen > Hemminger > Subject: [PATCH v5] Drivers: HV: Send one page worth of

[PATCH v5] Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic

2018-06-08 Thread Sunil Muthuswamy
In the VM mode on Hyper-V, currently, when the kernel panics, an error code and few register values are populated in an MSR and the Hypervisor notified. This information is collected on the host. The amount of information currently collected is found to be limited and not very actionable. To