Re: USB CF reader reboots PC

From: Murray J. Root (murrayr@brain.org)
Date: Wed Jan 08 2003 - 12:33:56 EST


Ooops - kernel 2.5.5[234]

On Wed, Jan 08, 2003 at 11:51:30AM -0500, Murray J. Root wrote:
> ASUS P4S533 (SiS645DX chipset)
> P4 2GHz
> 1G PC2700 RAM
> SanDisk SDDR-77 ImageMate Dual Card Reader (using only CF cards)
>
> ----------------------------
> devfs compiled in to kernel, devfs=nomount in lilo.conf
>
> Insert CF card. mount it. cd to it, do reads and/or writes
> umount card. remove card.
> insert a different card (does not happen if the same card is used)
> mount it. system reboots. logs are corrupted
>
> Doesn't happen every time for read - sometimes I can read 2 or 3 cards first
> Happens every time for write - if I write to a card then changing cards
> causes a reboot
>
> ----------------------------
> devfs=mount in lilo.conf
>
> Insert CF card.
> ls /dev shows sda and sda1
> mount it.
> ls /dev shows sda - no sda1
> cd to mounted CF card
> process hangs, sd-mod & usb-storage "busy"
> rmmod -f usb-storage or sd-mod causes PC to stop
> (keyboard & mouse unresponsive, wmfire frozen, net disconnects)
>
> reboot
> Insert CF card.
> ls /dev shows sda & sda1
> mount it.
> ls /dev shows sda - no sda1
> umount it
> ls /dev shows sda - no sda1
> modprobe -r sd-mod && modprobe sd-mod
> ls /dev shows sda & sda1
>
> --
> Murray J. Root
> ------------------------------------------------
> DISCLAIMER: http://www.goldmark.org/jeff/stupid-disclaimers/
> ------------------------------------------------
> Mandrake on irc.freenode.net:
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-- 
Murray J. Root
------------------------------------------------
DISCLAIMER: http://www.goldmark.org/jeff/stupid-disclaimers/
------------------------------------------------
Mandrake on irc.freenode.net:
  #mandrake & #mandrake-linux = help for newbies 
  #mdk-cooker = Mandrake Cooker
  #cooker = moderated Mandrake Cooker

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/



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