Yeah
I thought also about bios bug... it`s pretty new piece of HW with modern
chipset (Q45). I believe that the next release of BIOS comes soon.
But what about those atapicd problems? Is it related to SATA interface
of DVD/CD drive? Maybe also the LG drive has buggy FW :).
Best regards
Jeremy Chadwick napsal(a):
On Wed, Nov 19, 2008 at 11:55:34AM +0100, Jan Sebosik wrote:
Allright, I`ve played again with an HPET in BIOS little bit.
Results ->
HPET disabled:
kern.timecounter.choice: TSC(-100) ACPI-fast(1000) i8254(0)
dummy(-1000000)
kern.timecounter.hardware: ACPI-fast
HPET enabled:
kern.timecounter.choice: TSC(-100) HPET(900) ACPI-fast(1000) i8254(0)
dummy(-1000000)
kern.timecounter.hardware: ACPI-fast
But now FreeBSD boots also with HPET enabled (really don`t understand
what`s going on).
When I was trying to mount cd with "mount -t cd9660 /dev/cd0 /mnt/cd0",
mount works as expected (atapicd module not loaded).
Then I`ve kldload-ed atapicd, "mouunt -t cd9660 /dev/acd0 /mnt/cd0"
(acd0, not cd0), but this ended with messages like this:
unknown: FAILURE - READ_BIG timeout (retry count 0)
Temporary I`ve disabled HPET in BIOS (Linux got problems too-> he
created gigabytes of log messages in /var/log/messages :D).
Best regards, Jan
Jeremy Chadwick napsal(a):
On Wed, Nov 19, 2008 at 11:19:37AM +0100, Jan Sebosik wrote:
Hi
Yeah, I`ve tested it 2 times (switching it in BIOS). To me it seems
bit mysterious, why there is a relationship between HPET setting and
acd/cd problems in FreeBSD.
Jeremy Chadwick napsal(a):
On Wed, Nov 19, 2008 at 11:08:34AM +0100, Jan Sebosik wrote:
Hi again
so it seems to be a problem with HPET timer which is onboard and
was enabled. If I turned him off, (acd | cd) problems went away.
Jan Sebosik napsal(a):
Hi all
OS: Freebsd 7-STABLE from CVS of today
Problematic HW: Intel DQ45CB (Q45 chipset, ICH10, SATA in
native mode, but not AHCI), LG SATA DVD-RW GH20NS15
Problem: if I run freebsd without LG DVD connected to any SATA
port onboard everything works allright. When I connect SATA
DVD to board, then freebsd refuses to boot with messages
similar to those:
acd0: FAILURE-READ_BIG timed out
unknown: FAILURE-READ_BIG timed out
cddone: goit error 0x5 back
Messages are repeating forever.
Anybody knows where should be a bug?
Temporary I`ve disconnected LG SATA burner from system board.
Thanks for any idea.
Best regards
Are you ***absolutely 100% certain*** this is true? The time counter
selected shouldn't have anything to do with the errors you see.
Please thoroughly test this.
I'd CC jhb@ to get confirmation of my statement, but I've promised
myself I wouldn't bother him until 2009. :-)
This is very bizarre. The errors being returned from acd0 are that an
ATAPI/ATA command (READ_BIG, whatever the code for that is) did not
receive a response from the controller or device within 5 seconds
(assuming the ata(4) timeout values here; it could be something larger
for ATAPI, I don't know). Maybe some a BIOS bug...
Can you show us output from the following two commands?
sysctl kern.timecounter.choice
sysctl kern.timecounter.hardware
Soren, do you know how/if the HPET time counter could cause this oddity?
All of my systems use ACPI-fast, so I can't test this.
What this proves is that disabling HPET in the BIOS makes absolutely no
change to FreeBSD as far as the timecounter goes. It's still using
ACPI-fast no matter if HPET is disabled or not. Disabling HPET does
show up in FreeBSD (as you can tell), but the ATA/ATAPI stuff *should
not* have some direct tie-in to HPET.
I'm left believing you've found a BIOS bug. Please bring this up with
your motherboard or system vendor.
--
Jan Sebosik, Slovakia
[EMAIL PROTECTED]
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