I can confirm that upgrading from the stock SSD with Karmic already  
installed to a Super Talent SSD produced this error which had not  
previously been present.

Simon

Sent from My iPhone

On 7 Dec 2009, at 06:31, Andrew Simpson  
<email address hidden> wrote:

> The upstream bug report has asked whether anyone has tested kernels
> 2.6.29 or 2.6.30 as this would help narrow down when the bug was
> (re)introduced to the kernel.
>
> For my own interest, I have noted that the bug generally occurs with
> newer/faster SSD units.  For instance the Intel SSD originally  
> fitted to
> the early Acer Aspire One is, well, rather slow, but doesn't show the
> bug (I have one).  However another same machine (they were brought  
> as a
> pair) upgraded with the Super Talent unit does have the problem.   
> Anyone
> notice any similarity?
>
> Alan Cox has suggested that the SSD is responding to a command so fast
> that the kernel misses seeing the interrupt.
>
> -- 
> SSD stall during boot
> https://bugs.launchpad.net/bugs/445852
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in The Linux Kernel: Confirmed
> Status in “linux” package in Ubuntu: Confirmed
>
> Bug description:
> In the Karmic beta I experience ssd stalls during the boot process.   
> It happens almost everytime before xsplash loads and happens again  
> frequently between logging into gdm and the desktop loading.  When  
> it happens during login I think it is making gnome time out on  
> loading panel items as I get errors related to lots of panel items  
> failing to load.  If I log out and back in again when the ssd isn't  
> stalled the panel items load fine.
>
> When it happens the following messages appear before xplash (or in  
> dmesg when it happens after gdm):
>
> ata2: lost interrupt (Status 0x58)
> ata2: drained 16384 bytes to clear DRQ.
> ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
> ata2.00: BMDMA stat 0x4
> ata2.00: cmd c8/00:40:cb:60:32/00:00:00:00:00/e0 tag 0 dma 32768 in
> res 58/00:40:cb:60:32/00:00:00:00:00/e0 Emask 0x2 (HSM violation)
> ata2.00: status: { DRDY DRQ }
> ata2: soft resetting link
> ata2.00: configured for UDMA/66
> ata2: EH complete
>
> I did not have this issue in jaunty with this hardware and I don't  
> think it has happened once the system is fully loaded.  I am running  
> karmic unr on an Acer Aspire One netbook.
>
> ProblemType: Bug
> AplayDevices:
> **** List of PLAYBACK Hardware Devices ****
> card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> Architecture: i386
> ArecordDevices:
> **** List of CAPTURE Hardware Devices ****
> card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> AudioDevicesInUse:
> USER        PID ACCESS COMMAND
> /dev/snd/controlC0:  luke       1990 F.... pulseaudio
> CRDA: Error: [Errno 2] No such file or directory
> Card0.Amixer.info:
> Card hw:0 'Intel'/'HDA Intel at 0x58540000 irq 16'
>   Mixer name    : 'Realtek ALC268'
>   Components    : 'HDA:10ec0268,1025015b,00100101'
>   Controls      : 9
>   Simple ctrls  : 6
> CheckboxSubmission: 12ef539f3788bfbc46bc56b5c28128a6
> CheckboxSystem: c69722ecac764861be52925fa50b4dcc
> Date: Wed Oct  7 17:54:56 2009
> DistroRelease: Ubuntu 9.10
> HibernationDevice: RESUME=UUID=8d44b89b-2edb-4c02-a4be-94bd25b65081
> MachineType: Acer AOA110
> Package: linux-image-2.6.31-12-generic 2.6.31-12.40
> ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-12-generic  
> root=UUID=039a096e-3486-4898-9eeb-44a705f8b7fd ro quiet splash  
> elevator=noop usbcore.autosuspend=1
> ProcEnviron:
> LANG=en_CA.UTF-8
> SHELL=/bin/bash
> ProcVersionSignature: Ubuntu 2.6.31-12.40-generic
> RelatedPackageVersions: linux-firmware 1.21
> RfKill:
> 0: phy0: Wireless LAN
>    Soft blocked: no
>    Hard blocked: no
> SourcePackage: linux
> Tags:  ubuntu-unr
> Uname: Linux 2.6.31-12-generic i686
> XsessionErrors:
> (gnome-settings-daemon:2006): GLib-CRITICAL **: g_propagate_error:  
> assertion `src != NULL' failed
> (gnome-settings-daemon:2006): GLib-CRITICAL **: g_propagate_error:  
> assertion `src != NULL' failed
> (nautilus:2092): Eel-CRITICAL **: eel_preferences_get_boolean:  
> assertion `preferences_is_initialized ()' failed
> (polkit-gnome-authentication-agent-1:2118): GLib-CRITICAL **:  
> g_once_init_leave: assertion `initialization_value != 0' failed
> (gnome-panel:2048): Gdk-WARNING **: /build/buildd/gtk+2.0-2.18.2/gdk/ 
> x11/gdkdrawable-x11.c:952 drawable is not a pixmap or window
> dmi.bios.date: 10/06/2008
> dmi.bios.vendor: Acer
> dmi.bios.version: v0.3309
> dmi.board.asset.tag: Base Board Asset Tag
> dmi.board.vendor: Acer
> dmi.board.version: Base Board Version
> dmi.chassis.type: 1
> dmi.chassis.vendor: Chassis Manufacturer
> dmi.chassis.version: Chassis Version
> dmi.modalias:  
> dmi:bvnAcer:bvrv0.3309: 
> bd10/ 
> 06/ 
> 2008: 
> svnAcer:pnAOA110: 
> pvr1: 
> rvnAcer:rn:rvrBaseBoardVersion:cvnChassisManufacturer:ct1: 
> cvrChassisVersion:
> dmi.product.name: AOA110
> dmi.product.version: 1
> dmi.sys.vendor: Acer
>
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