Am Donnerstag, den 19.06.2008, 09:52 -0600 schrieb Robin Laing:
> Henry Ritzlmayr wrote:
> > Am Dienstag, den 17.06.2008, 13:25 -0400 schrieb Jorge Fábregas:
> >> Hello Everyone,
> >>
> >> I'm running Fedora 8 and my system freezes (for about 20 to 40 seconds) a
> >> couple of times a day. When it does I see this on /var/log/messages:
> >>
> >> ------------------------------- cut here -------------------------------------
> >>
> >> kernel: ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
> >> kernel: ata3.00: cmd ca/00:50:67:85:03/00:00:00:00:00/e0 tag 0 dma 40960 out
> >> kernel: res 40/00:00:76:6c:03/84:00:10:00:00/e0 Emask 0x4 (timeout)
> >> kernel: ata3.00: status: { DRDY }
> >> kernel: ata3: port is slow to respond, please be patient (Status 0xd0)
> >> kernel: ata3: device not ready (errno=-16), forcing hardreset
> >> kernel: ata3: soft resetting link
> >> kernel: ata3.00: configured for UDMA/33
> >> kernel: ata3: EH complete
> >> kernel: sd 2:0:0:0: [sdc] 321672960 512-byte hardware sectors (164697 MB)
> >> kernel: sd 2:0:0:0: [sdc] Write Protect is off
> >> kernel: sd 2:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't
> >> support DPO or FUA
> >>
> >> ------------------------------- cut here -------------------------------------
> >>
> >> /dev/sdc is my main drive. The only thing I can think of...is that this drive
> >> is actually a PATA drive connected to the SATA controller on MoBo thru
> >> a "SATA-TO-IDE Adapter" that I connect on the drive. Perhaps the converter is
> >> faulty...or could this be a known issue with libata? Anyone had same
> >> problem?
> >>
> >> Thanks,
> >> Jorge
> >
> > Many months ago I had the exact same output. Lots of google voodo and
> > try and error solved it. My issue was that on one outlet of the power
> > supply there where to many (3) drives connected. After recabling all
> > went away. Others claimed that they got rid of the problem be refitting
> > the sata cables.
> >
> > Henry
> >
>
> Henry,
>
> I was just about to suggest checking the power supply. I had a power
> supply that wouldn't supply enough voltage on the 5V rail. My system
> would freeze. Turned out to be a known fault with the brand of
> powersupplies.
>
> Took two power supplies to find out that it was a known fault. Argh.
> Warranties are useless on some products. I also learned that the sensor
> voltages were not accurate in the BIOS in comparison to a digital
> voltmeter on the actual power cable.
>
> --
> Robin Laing
What I didn´t like (still) is the fact that there is no indication, that
this could be even slightly related to the power supply. As stated above
it was more a try and error to solve this issue. Hopefully for the OP
this also solved his issue.
Question to the devs - could you think of any way that the kernel output
could be a bit more informing, or don´t you get enough information from
the hardware for such an issue. I also checked smart for unusual power
cycle counts but to no avail.
Henry
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