Nestor Waldyd Alvarez Villa wrote:
Hello...
I am having a problem with my TSSTcorp CD-RW/DVD-ROM TSL462D. The error
below is causing a parallel application to fail. Here is the relevant
output of my system log (dmesg command)
ata5.00: ATAPI: TSSTcorpCD-RW/DVD-ROM TSL462D, DE01, max UDMA/33
...
ata5.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata5.00: cmd a0/00:00:00:00:20/00:00:00:00:00/a0 tag 0 cdb 0x0 data 0
res 51/20:03:00:00:00/00:00:00:00:00/a0 Emask 0x3 (HSM
violation)
ata5: soft resetting port
ata5.00: configured for UDMA/33
ata5: EH pending after completion, repeating EH (cnt=4)
ata5: EH complete
ata5.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata5.00: cmd a0/00:00:00:00:20/00:00:00:00:00/a0 tag 0 cdb 0x0 data 0
res 51/20:03:00:00:00/00:00:00:00:00/a0 Emask 0x3 (HSM
violation)
ata5: soft resetting port
ata5.00: configured for UDMA/33
ata5: EH pending after completion, repeating EH (cnt=4)
ata5: EH complete
I have noticed that when i run a parallel MPI application with more than
one thread per machine, the problem is triggered... I also have
noticed that
the prompt above comes from the HAL daemon because when i disable the hal
daemon, this is not prompted anymore but the problem persists. Using the
acpi=off kernel option, the system tends to be more stable but the
problem
does not solve...
Here is my system info (uname -a):
[waldyd@nodo5 ~]$ uname -a
Linux nodo5.gialea 2.6.23.14 #1 SMP Mon Feb 4 16:12:24 COT 2008 x86_64
x86_64 x86_64 GNU/Linux
Any ideas about why is this happening? How can i solve this?
Try upgrading to the 2.6.24 kernel. That fixed this sort of problem for me.
rh
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