Messages in this thread | | | Date | Sat, 16 Feb 2008 09:08:19 -0500 | From | Mark Lord <> | Subject | Re: Spurious completions during NCQ |
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Hugo Mills wrote: > I'm getting these on my Dell Latitude D830: > > Feb 15 13:06:00 willow kernel: ata1.00: exception Emask 0x2 SAct 0x4 SErr 0x0 action 0x2 frozen > Feb 15 13:06:00 willow kernel: ata1.00: spurious completions during NCQ issue=0x0 SAct=0x4 FIS=004040a1:00000002 > Feb 15 13:06:00 willow kernel: ata1.00: cmd 61/10:10:26:fb:c4/00:00:02:00:00/40 tag 2 cdb 0x0 data 8192 out > Feb 15 13:06:00 willow kernel: res 40/00:10:26:fb:c4/00:00:02:00:00/40 Emask 0x2 (HSM violation) > Feb 15 13:06:00 willow kernel: ata1: soft resetting port > Feb 15 13:06:00 willow kernel: ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > Feb 15 13:06:00 willow kernel: ata1.00: configured for UDMA/133 > Feb 15 13:06:00 willow kernel: ata1: EH complete > Feb 15 13:06:00 willow kernel: sd 0:0:0:0: [sda] 312581808 512-byte hardware sectors (160042 MB) > Feb 15 13:06:00 willow kernel: sd 0:0:0:0: [sda] Write Protect is off > Feb 15 13:06:00 willow kernel: sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 > Feb 15 13:06:00 willow kernel: sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA > > In some cases, there are several cmd/res lines listed. It's > happening about once an hour or so (not correlated with any other > event that I can see). It doesn't seem to be affecting operation of > the machine, but it's making me nervous. > > Can anyone set my mind at rest? (Or suggest a fix?) ..
Tejun, have the spurious completion fixes been backported to 2.6.23 / 2.6.22 yet ? Those kernels will be in common use for some time to come, and this fix is more or less essential.
???
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