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Thu, 08 Aug 2024 11:40:22 -0700 (PDT) MIME-Version: 1.0 From: "Joshua M. Clulow" Date: Thu, 8 Aug 2024 11:40:09 -0700 Message-ID: Subject: [REVIEW] 14916 ehci_qh_pool_size is probably too low To: illumos-dev Content-Type: text/plain; charset="UTF-8" Topicbox-Policy-Reasoning: allow: sender is an admin Topicbox-Message-UUID: aff06ba2-55b5-11ef-8548-8ccd1c5c422a Hi folks, This is a small change to alleviate an issue with EHCI USB controllers on systems that have a lot of devices connected. 14916 ehci_qh_pool_size is probably too low https://www.illumos.org/issues/14916 https://code.illumos.org/c/illumos-gate/+/3070 We've had this configured via system(5) on 10-20 systems at Oxide for years now without any related incidents. Cheers. -- Joshua M. Clulow http://blog.sysmgr.org