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Cisco Bug: CSCun78236 - ukse_file and web-engine stuck in 'D' status after 80 hours+ longevity

Last Modified

Jun 21, 2020

Products (1)

  • Cisco Content Delivery Engine Series

Known Affected Releases

3.3(1)

Description (partial)

Symptom:
A file is being written by UKSE module, in the meanwhile, web-engine process is trying to do a ftruncate64() system call on that file, this caused dead lock in UKSE, hence UKSE and web-engine go into D state.

Conditions:
Many requests are for the same file, but some of the request are with query string, some are not.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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