Hi! (I am referring to the thread at http://marc.info/?l=linux-ide&m=118703097726277&w=2) I also experience a lot of NCQ errors which look like these: Sep 22 10:11:53 server kernel: ata1.00: exception Emask 0x2 SAct 0x7 SErr 0x0 action 0x2 frozen Sep 22 10:11:53 server kernel: ata1.00: (spurious completions during NCQ issue=0x0 SAct=0x7 FIS=004040a1:00000010) Sep 22 10:11:53 server kernel: ata1.00: cmd 60/38:00:bd:ee:01/00:00:13:00:00/40 tag 0 cdb 0x0 data 28672 in Sep 22 10:11:53 server kernel: res 40/00:20:5d:1d:eb/00:00:13:00:00/40 Emask 0x2 (HSM violation) Sep 22 10:11:53 server kernel: ata1.00: cmd 60/40:08:f5:ee:01/00:00:13:00:00/40 tag 1 cdb 0x0 data 32768 in Sep 22 10:11:53 server kernel: res 40/00:20:5d:1d:eb/00:00:13:00:00/40 Emask 0x2 (HSM violation) Sep 22 10:11:53 server kernel: ata1.00: cmd 60/08:10:35:ef:01/00:00:13:00:00/40 tag 2 cdb 0x0 data 4096 in Sep 22 10:11:53 server kernel: res 40/00:20:5d:1d:eb/00:00:13:00:00/40 Emask 0x2 (HSM violation) Sep 22 10:11:53 server kernel: ata1: soft resetting port Sep 22 10:11:53 server kernel: ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Sep 22 10:11:53 server kernel: ata1.00: configured for UDMA/133 Sep 22 10:11:53 server kernel: ata1: EH complete Sep 22 10:11:53 server kernel: sd 0:0:0:0: [sda] 586114704 512-byte hardware sectors (300091 MB) Sep 22 10:11:53 server kernel: sd 0:0:0:0: [sda] Write Protect is off Sep 22 10:11:53 server kernel: sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 Sep 22 10:11:53 server kernel: sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA In total I have 355 such entries regarding my SATA disks starting on September 15 when I installed kernel 2.6.22.6 (before I had 2.6.18-rc4-mm1 or so). In addition I also see messages like this one: kern.log:Sep 20 00:42:23 server kernel: ata2.00: NCQ disabled due to excessive errors Please tell me how I can help resolving the issue (if it is a bug) or, if possible, tell me how to fix it myself. Information about my system: - 4x Maxtor 7V300F0 (MaxLine III, 300GB, 7200rpm, 16MB cache, SATA2), firmware VA111900 - 1x Samsung 2SP2014N (SpinPoint P, 200GB, 7200rpm, 8MB cache, PATA), firmware VC100-33 - 4 software RAIDs on the SATA disks, 1x RAID1, 3x RAID5 - heavy usage of the RAIDs - ICH7R - 2.6.22.6 - Pentium D 805, 2GB RAM Thanks a lot, -- Carsten Otto c-otto@xxxxxx www.c-otto.de
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