On 12/09/22 03:26, Jeff Muizelaar wrote:
Is the current detection using reason: "EXCEPTION_IN_PAGE_ERROR_READ / STATUS_DEVICE_DATA_ERROR" to detect bad hardware? Is it possible to get this exception reason when using a network drive along with a flaky network?
I don't think so, all the references I found about it indicate that it's what the NT kernel throws when hitting bad blocks on a drive (see below). Looking at the type of errors we get on Socorro I think that other codes are used for network issues:
https://crash-stats.mozilla.org/search/?reason=~EXCEPTION_IN_PAGE_ERROR_READ&_facets=signature&_facets=reason#facet-reasonIn particular I'd say that STATUS_UNEXPECTED_NETWORK_ERROR, STATUS_CONNECTION_DISCONNECTED, STATUS_BAD_NETWORK_PATH, STATUS_CONNECTION_ABORTED, STATUS_INVALID_CONNECTION and STATUS_CONNECTION_RESET should be the ones indicating an issue with a network drive.
Note that there's a lot of other potential candidates in there to be ignored as non-actionable. STATUS_IN_PAGE_ERROR being one of them (and high-volume too). I found this doc: https://winprotocoldoc.blob.core.windows.net/productionwindowsarchives/MS-ERREF/%5BMS-ERREF%5D-210407-diff.pdf describing it as "The required data was not placed into memory because of an I/O error status [...]". The same document describes STATUS_DEVICE_DATA_ERROR as "There are bad blocks (sectors) on the hard disk."
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