Re: [PATCH v4 00/12] Add CPER logging support for CRI

[Raag Jadav <raag.jadav@intel.com>]

On Fri, Oct 09, 2026 at 04:16:03PM +0530, Badal Nilawar wrote:
> This patch series adds CPER (Common Platform Error Record) logging support
> for Correctable errors reported by Intel Xe GPUs. CPER logging is done

Is it still correctable errors?

Raag

> through trace event.
> 
> v2:
>    - Extended CPER logging to Uncorrectable errors and xe_ras_get_counter
>      request
>    - Log CPER records via xe_log SIGID infra 
> 
> v3:
>   - Added the patches in incremental order (Raag)
>   - Fixed Sashiko warnings which are applicable 
> 
> v4:
>   - Split the patches further for incremental review (Raag)
>   - Refactor info queue handling (Raag)
>   - Fix applicable Sashiko warnings
> 
> Badal Nilawar (12):
>   drm/xe/cper: Add CPER reporting entry point for xe_log
>   drm/xe/cper: Retrieve the error counter record for CPER reporting
>   drm/xe/cper: Initialize Intel-specific error section header
>   drm/xe/cper: Construct CPER record for hardware errors
>   drm/xe/xe_ras: Add support to retrieve info queue data for CRI
>   drm/xe/cper: Prepare Intel CPER error info records
>   drm/xe/cper: Log CPER records for aggregate counter retrieval
>   drm/xe/cper: Emit cper record to trace buf
>   drm/xe/xe_ras: Report device memory errors using SIGID
>   drm/xe/xe_ras: Report core compute errors using SIGID
>   drm/xe/xe_ras: Report soc internal errors using SIGID
>   drm/xe/xe_ras: Report correctable errors using SIGID
> 
>  .../ABI/testing/sysfs-driver-intel-xe-cper    |  18 +
>  drivers/gpu/drm/xe/Makefile                   |   3 +
>  drivers/gpu/drm/xe/xe_cper.c                  | 530 ++++++++++++++++++
>  drivers/gpu/drm/xe/xe_cper.h                  |  37 ++
>  drivers/gpu/drm/xe/xe_cper_types.h            | 185 ++++++
>  drivers/gpu/drm/xe/xe_device_types.h          |   4 +
>  drivers/gpu/drm/xe/xe_log.c                   |   5 +-
>  drivers/gpu/drm/xe/xe_ras.c                   | 254 ++++++++-
>  drivers/gpu/drm/xe/xe_ras.h                   |   5 +
>  drivers/gpu/drm/xe/xe_ras_types.h             | 118 +++-
>  drivers/gpu/drm/xe/xe_sysctrl_mailbox_types.h |   2 +
>  drivers/gpu/drm/xe/xe_trace_cper.c            |   9 +
>  drivers/gpu/drm/xe/xe_trace_cper.h            |  66 +++
>  13 files changed, 1202 insertions(+), 34 deletions(-)
>  create mode 100644 Documentation/ABI/testing/sysfs-driver-intel-xe-cper
>  create mode 100644 drivers/gpu/drm/xe/xe_cper.c
>  create mode 100644 drivers/gpu/drm/xe/xe_cper.h
>  create mode 100644 drivers/gpu/drm/xe/xe_cper_types.h
>  create mode 100644 drivers/gpu/drm/xe/xe_trace_cper.c
>  create mode 100644 drivers/gpu/drm/xe/xe_trace_cper.h
> 
> -- 
> 2.54.0
>