[Bug 7011] System sluggish when using CompactFlash card

[bugme-daemon at bugzilla.kernel.org]

http://bugzilla.kernel.org/show_bug.cgi?id=7011





------- Additional Comments From andrew.james.barr at gmail.com  2006-08-20 17:11 -------
Well, phooey. This just showed up on a second card, different from the one I
originally thought to be the culprit:

/dev/hde:

CompactFlash ATA device, with removable media
        Model Number:       SAMSUNG CF/ATA
        Serial Number:
        Firmware Revision:  S1.18.4
Standards:
        Likely used: 4
Configuration:
        Logical         max     current
        cylinders       992     992
        heads           16      16
        sectors/track   32      32
        --
        bytes/track: 0  bytes/sector: 512
        CHS current addressable sectors:     507904
        LBA    user addressable sectors:     507904
        device size with M = 1024*1024:         248 MBytes
        device size with M = 1000*1000:         260 MBytes
Capabilities:
        LBA, IORDY(may be)(cannot be disabled)
        Buffer size: 1.0kB      bytes avail on r/w long: 4
        Standby timer values: spec'd by Vendor
        R/W multiple sector transfer: Max = 4   Current = 0
        DMA: not supported
        PIO: pio0 pio1 pio2

It seems that this is not consistently reproducable, and if it is, I don't know
what the parameters are. This card was in a digital camera and I took a number
of photos (20-30 at least) and then tried to import them using the gThumb
program from GNOME. Sure enough, as gThumb was reading the pictures to generate
thumbnails the pointer motion became choppy and the compiz eyecandy animation
stuff, which is normally smooth even under rather heavy system load (e.g.
compiling software and running Firefox) became jerky and jumpy. As soon as I
closed gThumb (e.g. stopped the reading) it was fine.

------- You are receiving this mail because: -------
You are the assignee for the bug, or are watching the assignee.