Fedroa 10 Wedges File System under heavy I/O Load

[Eric Sandeen]

Chuck Forsberg WA7KGX N2469R wrote:
> This happens with the current Fedora 10 64 bit kernel,
> also the previous one.

versions, please.

> I do not see any error messages related to the wedging.
> I do see some error messages when I attempt to
> regain control of the system.
> 
> System is an AMD 6000+ in ECS NFORCE6M-A motherboard,
> 8 GB memory, two SATA on motherboard controller, another
> two SATA drives on a Promise PCI controller, and an IDE
> drive on a USB dongle.
> 
> The system is also processing audio
> data at 96 kHz (gnuradio).  Thst data is being written
> to named FIFOs on the root file system.
> 
> The /u file system is the one that wedges.  It is not being written
> to much at this time, and hardly any new files being created.
> 
> When I reset the system I sometimes see a complaint about the
> /boot file system, an ext2 file system that shouldn't be written to
> at all except when installing a new kernel.

because it was not cleanly unmounted.

> I do have the option of reverting the /u file system back to
> ext3 as it is small enough that FSCK doesn't take forever.
> 

sysrq-w output from when it's hung, please.

-Eric