In this guide, we are going to find out some of the possible reasons that might cause the CentOS DMA timeout error and after that, we are going to suggest some possible fixes that you can try to solve this problem.
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description Soren Sonnenburg 2006-11-29 02:25:07 UTC
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Last seed this pest *NOT* spawned in: *unknown*R Distribution: Debian/SargeHardware environment: asus a7v8x (via chipset in addition to hpt370 chipset)Software environment:Description of the problem:Andrew Morton asked us to file this as an annoyance on Bugzilla if this is still happening.with kernel 2.6.19rc6. The How It Works page is a report:Playback steps:I previously had a Raid-1(tm) setup running multiple Western Digital drives.connected to each transition and backlight controller. Now that's all I've doneReplace IDE hard drives (now Hitachi) and all of a sudden I'm on a regular basis (once a day or so)We see seven hard drives (on one of the remotes, sometimes hda, sometimes hde)from spank (on kernel 2.6.17.13): > hda: abort delivery> hda:dma_timer_expiry:dma history == 0x21> hda: DMA timeout error> hda: timed out, DMA error: status=0x58 DriveReady SeekComplete> Request data> ide: no opcode was: unknown> raid1: HDD error, device disabled.> Operation continues on 1 device> hda:dma_timer_expiry:dma status == 0x21> hda: DMA timeout error> hda: timeout error dma: status=0x58 DriveReady SeekComplete> Request data> ide: invalid opcode was: unknown> Phrase ko RAID1 configurations:> --- sd:1 rd:2> disk 0, wo:1, o:0, dev:hda> disk 1, wo:0, o:1, dev:hde> RAID1 configuration phrase:> --- sd:1 rd:2> disk 1, wo:0, o:1, dev:hde>> I just don't understand what will happen... if I hot-remove the disk> enable direct memory access and add it hot tighten everything again ok...maybe we can> Increase the timeout or try more mature drivers that> Troubleshooting?Now with 2.6.19rc6 I get this output via dmesg:hde: interrupt losthde: dma_timer_expiry: DMA name == 0x21hde: DMA timeout errorhde: 252 bytes relative to FIFOhde: Timeout for direct memory accesshde: DMA timeout error: status=0x58 DriveReady SeekComplete DataRequest failedide: opcode was: unknownhde: Status error: status = 0x51 DriveReady SeekComplete Errorhde: Status Error: Error = 0x04 DriveStatusError Erroride:opcode always:unknownhde: no DRQ after issuing MULTWRITE_EXThde: Status error: status = 0x51 DriveReady SeekComplete Errorhde: Status Error: Error = 0x04 DriveStatusError Erroride: opcode was: unknownhde: fix DRQ after issuing MULTWRITE_EXThde: log error: status=0x51 DriveReady SeekComplete Errorhde: Status Error: Error = 0x04 DriveStatusError Erroride: op codegeneration was: unknownhde: Null DRQ after issuing MULTIWRITE_EXThde: symbol error: status=0x51 DriveReady SeekComplete Errorhde: status error: error=0x04 DriveStatusError doesn't work anymoreide: opcode was: unknownhde: no DRQ after issuing MULTWRITE_EXTide2: reset: successmd: super_write exits error=-5, update=0raid1: disk error on hde, device will be disabled. Work continues on 1 deviceRAID1 configuration phrase: --- rd:1 rd:2 Disk 0, wo:0, o:1, dev:hda Disk 1, wo:1, o:0, dev:hdeRAID1 configuration phrase: --- rd:1 rd:2 CD 0, wo:0, o:1, developer:hdahdparm - in layman's terms, /dev/hda says: Model=HDS722525VLAT80, FwRev=V36OA6EA, UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5 AdvancedPM=yes: disabled (255) WriteCache=enabled Drive Compliant: ATA/ATAPI-6 T13 1410D 3a: Versionhdparm -i /dev/hde says: Model=HDS722525VLAT80, FwRev=V36OA60A, UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5 AdvancedPM=yes: disabled (255) WriteCache=enabled Drive equivalent to positive: ATA/ATAPI-6 T13 1410D 3a: VersionI would like to try some patches to give more details...
