A considerable spike in kernel crashes is seen i M61, this is more problematic on Kevin Looking at the crash server, there is an increase on Unspecified signatures Some crash samples here: https://crash.corp.google.com/browse?q=product.name%3D%27ChromeOS%27%20AND%20product.version%3D%279765.48.0%27%20AND%20exec_name%3D%27kernel%27%20OMIT%20RECORD%20IF%20SUM(ProductData.Value%20CONTAINS%20%27kevin%27)%20%3D%200&sql_dialect=dremelsql&ignore_case=false&enable_rewrite=false&omit_field_name=&omit_field_value=&omit_field_opt=&unnest=#-property-selector,samplereports:5,-country,+stablesignature2
snanda@ as we discussed this morning here is a sample bug related to kernel crashes on M61.
I spot-checked a few of the unspecified signature reports and they all seem to be hung tasks after "mali ff9a0000.gpu: Reset complete". Here the reports that I had spot-checked: https://crash.corp.google.com/browse?q=ReportID%3D%272b78ccac3acb3765%27&sql_dialect=dremelsql&ignore_case=false&enable_rewrite=false&omit_field_name=&omit_field_value=&omit_field_opt=&unnest=&stbtiq=&reportid=&index=0#7 https://crash.corp.google.com/browse?q=product.name%3D%27ChromeOS%27%20AND%20product.version%3D%279765.48.0%27%20AND%20exec_name%3D%27kernel%27%20AND%20stable_signature%3D%27UnspecifiedSignature%27%20OMIT%20RECORD%20IF%20SUM(ProductData.Value%20CONTAINS%20%27kevin%27)%20%3D%200&sql_dialect=dremelsql&ignore_case=false&enable_rewrite=false&omit_field_name=&omit_field_value=&omit_field_opt=&unnest=&stbtiq=&reportid=767cfdaa78d50333&index=1#7 https://crash.corp.google.com/browse?q=product.name%3D%27ChromeOS%27%20AND%20product.version%3D%279765.48.0%27%20AND%20exec_name%3D%27kernel%27%20AND%20stable_signature%3D%27UnspecifiedSignature%27%20OMIT%20RECORD%20IF%20SUM(ProductData.Value%20CONTAINS%20%27kevin%27)%20%3D%200&sql_dialect=dremelsql&ignore_case=false&enable_rewrite=false&omit_field_name=&omit_field_value=&omit_field_opt=&unnest=&stbtiq=&reportid=b3a5c081f946c4c4&index=0#7
Yup, we know. Dupe of b/64852540
Fix going in at <https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/651140>. Merge request will be tracked in b/64852540 since that was filed first. +Bernie for visibility.
Fix landed and was picked to M-61 and M-62 as per approval in the private bug. Marking this closed.
Comment 1 by keta...@chromium.org
, Sep 5 2017Status: Available (was: Untriaged)