scsi_transport_fc workqueue and scsi_eh deadlock if scsi timeout near dev_loss_tmo

Solution Unverified - Updated -

Issue

  • scsi_transport_fc workqueue and scsi_eh deadlock if scsi timeout near dev_loss_tmo
  • Deadlock between FC device removal and qla2xxx error handler.

Environment

  • Red Hat Enterprise Linux 6.1
  • Kernel version 2.6.32-131.28.1.el6.x86_64

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