Date: Mon, 08 Aug 2005 13:08:59 -0500 From: Mark Kane <mark@mkproductions.org> To: Wesley Will <wes@farreaches.org> Cc: freebsd-questions@freebsd.org Subject: Re: After Partitioning a Drive: WARNING - WRITE_DMA UDMA ICRCerror (retrying request) Message-ID: <42F79FBB.8070208@mkproductions.org> In-Reply-To: <3.0.5.32.20050806212635.00f14fa0@mail.farreaches.org> References: <3.0.5.32.20050806181109.00f1fda8@mail.farreaches.org> <104289012.20050806205943@rulez.sk> <3.0.5.32.20050806135119.00f37a88@mail.farreaches.org> <104289012.20050806205943@rulez.sk> <3.0.5.32.20050806181109.00f1fda8@mail.farreaches.org> <3.0.5.32.20050806212635.00f14fa0@mail.farreaches.org>
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Wesley Will wrote: >>I can try to pull the data off one of my other drives, maybe the 60GB, >>then format that and try to dump back....just to see if that one copies >>back OK with no DMA errors. > > > Very good idea. This is an excellent plan, especially if you already have > the hardware. Okay, well I finally got a 60GB drive copied to the 160GB, and am now copying the data back after I formatted it and created partitions in UFS. I didn't notice any DMA errors when I was starting like before. When I did the 80GB drive before, the screen was full of them. However, I typed dmesg after 10 minutes or so of copying, and saw this: ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=93353919 ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=79306399 ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=74453535 ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=85548799 ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=4249471 ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=10253311 ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=61090751 ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=61585151 ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=107013535 ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=87075327 ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=98752223 ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=52787103 ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=53049919 ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=58052959 ad1: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=26957151 Note that this is a clean boot, so it's not the errors from before. It just finished, but while it was copying, the errors would increase by one or two every few minutes....meaning the errors are still occurring, just not as many or as frequent. It's done copying the 39GB of data now, and ended with 18 errors in total. To Gary: My drives are like this PRIMARY IDE: Master - 160GB Slave - 60GB SECONDARY IDE: Master: TDK VeloCD CD Burner Slave: Sony DRU500A DVD Burner I never put optical drives on the same channel as hard drives. I was going to give Maxtor a call on the 80GB when I thought the 60GB was fine, but that was before I found the errors on the 60GB as well. Could something be bad on the board, or is this a FreeBSD problem, or other hardware? Thanks again for all your replies. -Mark
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