Date: Tue, 15 Apr 2008 19:30:55 GMT From: vwe@FreeBSD.org To: tomdean@speakeasy.org, vwe@FreeBSD.org, freebsd-bugs@FreeBSD.org Subject: Re: kern/122683: Accessing /dev/cuaa0 causes system to freeze Message-ID: <200804151930.m3FJUtVB066276@freefall.freebsd.org>
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Synopsis: Accessing /dev/cuaa0 causes system to freeze State-Changed-From-To: feedback->open State-Changed-By: vwe State-Changed-When: Tue Apr 15 19:26:16 UTC 2008 State-Changed-Why: feedback received by private mail and posted to the audit trail. The problem here is, the kernel is being instructed by /boot/device.hints to enable the 1st serial device cuad0 (by default) but no hardware is being found. The created character device /dev/cuad0 goes into nowhere and the system is freezing on access. It's easy to solve (by disabling hint.sio.0) in device.hints or attach it to the ACPI bus but the default setting causes the system to freeze while there's no COM port. We'll see things like that in the near future as more systems are being shipped w/o serial ports anymore. http://www.freebsd.org/cgi/query-pr.cgi?pr=122683
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