Messages in this thread | | | Date | Thu, 9 Jan 2003 11:06:33 -0500 | From | "Murray J. Root" <> | Subject | Re: USB CF reader reboots PC - DEVFS did it |
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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 >
New - 2.5.55 No more reboot - just a seg fault when trying to mount a new card and process hangs if I try again (not surprising).
Removed devfs completely from build - everything works fine. Can mount, read, write, umount many cards without a problem.
-- 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
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