Date: Fri, 29 Oct 2004 10:44:34 -0600 From: <soralx@cydem.org> To: freebsd-hackers@freebsd.org Subject: Re: ad0: FAILURE - WRITE_DMA Message-ID: <200410291044.34973.soralx@cydem.org> In-Reply-To: <Pine.GSO.4.58.0410291146060.29645@saros.physiol> References: <200410081937.15068.miha@ghuug.org> <4168F9E7.9040408@DeepCore.dk> <Pine.GSO.4.58.0410291146060.29645@saros.physiol>
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> This sounds very possible to me. I have been experiencing the same > error, on a system that I've been trying to set up using 5.3-RC1 and > a new 160Gbyte SATA drives My hardware is: > > atapci0: <SiI 3112 SATA150 controller> port > 0xb000-0xb00f,0xac00-0xac03,0xa800-0xa807,0xa400-0xa403,0xa000-0xa007 mem > 0xdf081000-0xdf0811ff irq 18 at device 11.0 on pci1 ad4: 152627MB > <ST3160023AS/3.18> [310101/16/63] at ata2-master SATA150 > > (I notice that Michail and I both have Seagate drives ...). > > I had problems with a filesystem on a partition which crossed the > LBA=268435455 threshold. After googling and reading this thread and > Søren's posting, I tried removing the filesystem and making a little > 1000 sector partition which straddled the lba48 transition sector - I was > able to get read and write failure messages of the above form > reproducibly, by dd-ing between the test partition and /dev/zero. The same problem with similar IDE Seagate HDD: ad0: <ST3160023A/3.06> ATA-6 disk at ata0-master ad0: 152627MB (312581808 sectors), 310101 C, 16 H, 63 S, 512 B [...] ad0: FAILURE - READ_DMA status=51<READY,DSC,ERROR> error=10<NID_NOT_FOUND> LBA=268435455 It had 312581808 sectors, but failed at >= 268435455 : bash-2.05b# dd if=/dev/ad0 of=/dev/null bs=512 skip=268435453 dd: /dev/ad0: Input/output error 2+0 records in 2+0 records out 1024 bytes transferred in 0.163827 secs (6250 bytes/sec) bash-2.05b# dd if=/dev/ad0 of=/dev/null bs=512 skip=268435454 dd: /dev/ad0: Input/output error 1+0 records in 1+0 records out 512 bytes transferred in 0.156888 secs (3263 bytes/sec) bash-2.05b# dd if=/dev/ad0 of=/dev/null bs=512 skip=268435455 dd: /dev/ad0: Input/output error 0+0 records in 0+0 records out 0 bytes transferred in 0.149888 secs (0 bytes/sec) Decreasing the 48-bit LBA threshold by 1 really helped: bash-2.05b# dd if=/dev/ad0 bs=512 skip=312581808 0+0 records in 0+0 records out 0 bytes transferred in 0.000088 secs (0 bytes/sec) bash-2.05b# dd if=/dev/ad0 bs=512 skip=312581807 1+0 records in 1+0 records out 512 bytes transferred in 0.019809 secs (25847 bytes/sec) Timestamp: 0x41826DE9 [SorAlx] http://cydem.org.ua/ ridin' VN1500-B2
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