Date: Mon, 5 Apr 2004 13:11:38 -0300 From: Ryan MacDonald <admin@pchg.net> To: freebsd-questions@freebsd.org Subject: Boot failure: CD-ROM problem [taskqueue stalled] Message-ID: <1081181498.4071853aa3bb6@webmail.pchg.net>
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I have a system here that occasionally hangs while the kernel is booting. It happens as the CD-ROM drive is being initialized. Here's the error: acd0: WARNING - MODE_SENSE_BIG interrupt was seen but taskqueue stalled This doesn't happen every time - usually if I restart the system following the error, it will start right up. When the kernel does boot okay, here's that same line: acd0: CDROM <ATAPI CD-ROM DRIVE 32X MAXIMUM> at ata1-master PIO0 I found the module responsible for generating the error message - ata-queue.c - but I don't know enough to follow the C code to understand what's happening: "http://fxr.watson.org/fxr/source/dev/ata/ata-queue.c" I know the drive works - I used it to install the system. I would be interested to know what the cause of this error is and if there is a convenient workaround. If not, it's no tragedy if I have to pull the drive out. On the other hand, this could be symptomatic of a problem with the ata system in FreeBSD. In any case, your help is appreciated. Here's what's in and on this thing: FreeBSD 5.2.1 (problem exisits with custom and GENERIC kernels) Pentium 233 / 64 MB / Intel 430TX chipset with PIIX4 UDMA33 controller Acer 32x CD-ROM at secondary master Thanks Ryan _______________________ Sent via PCHG Webmail http://www.pchg.net
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