Date: Fri, 21 Nov 2003 14:32:44 +0100 From: Bert Lagaisse <bert.lagaisse@cs.kuleuven.ac.be> To: freebsd-questions@freebsd.org Subject: DMA issue caused crash and file system inconsistency Message-ID: <3FBE13FC.6020606@cs.kuleuven.ac.be>
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Hi, I did some stupid newbie things: I have 2 cdroms, a plextor 8/4/32A and a 50x aopen cdrom. I added the line hw.ata.atapi_dma="1" to loader.conf The plextor now uses WDMA2 The aopen cdrom still uses PIO4 (dma worked under wintendo 2000) After I tried to enable DMA (using atacontrol) on my aopen cdrom and mounted it, the system crashed (freebsd 4.9-RELEASE) result : During the reboot i got an error and had to run "fsck" I did, and answered yes to all the questions. (kinda stupid, I know) The system booted but startx couldn't find /var/log/XFree86.0.log It seems that /var/log was completely removed mkdir log in /var solved the problem What else can I expect after a file system inconsistency ? And how do I solve the cdrom DMA problem ? -- Bert Lagaisse K.U.Leuven, Dept. computer science Address: Celestijnenlaan 200A 3001 Heverlee Belgium Email: bert.lagaisse@cs.kuleuven.ac.be Tel: +32 16 32 78 24
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