RE: [PATCH v4] Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic

2018-06-07 Thread Sunil Muthuswamy
Thanks. > -Original Message- > From: Dexuan Cui > Sent: Wednesday, June 6, 2018 5:31 PM > To: Sunil Muthuswamy > Cc: de...@linuxdriverproject.org; KY Srinivasan ; > Stephen Hemminger > Subject: RE: [PATCH v4] Drivers: HV: Send one page worth of kmsg dump > o

RE: [PATCH v4] Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic

2018-06-06 Thread Dexuan Cui
> From: Sunil Muthuswamy > Sent: Wednesday, June 6, 2018 12:31 > ... > + int sysctl_record_panic_msg = 1; This variable can be static. -- Dexuan ___ devel mailing list de...@linuxdriverproject.org

[PATCH v4] Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic

2018-06-06 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