From owner-freebsd-stable  Tue Apr  2 15:48:40 2002
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Date: Tue, 2 Apr 2002 18:48:06 -0500
From: Bob Bomar <bulldog@fxp.org>
To: stable@freebsd.org
Cc: jedgar@fxp.org, questions@freebsd.org
Subject: SMP Kernel Fail
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I cvsup'd to 4.5 Stable on Monday.  After I made a kernel,
copied from Generic to Server, and uncommented the lines for SMP.
The computer wouldnt boot, it got here:

ata0-master: DMA limited to UDMA33, non-ATA66 compliant cable
acd0: CDROM <NEC CD-ROM DRIVE:28B> at ata0-slave using PIO4
ad0: READ command timeout tag=3D0 serv=3D0 - resetting
ad0: 9765MB <Maxtor 51023H2> [19841/16/63] at ata0-master WDMA2
ata0: resetting devices .. ata0-master: DMA limited to UDMA33, non-ATA66 co=
mpliant cable
done
ad0: READ command timeout tag=3D0 serv=3D0 - resetting
ata0: resetting devices .. ata0-master: DMA limited to UDMA33, non-ATA66 co=
mpliant cable
done
ad0: READ command timeout tag=3D0 serv=3D0 - resetting
ad0: tying fallback to PIO mode
ata0: resetting devices .. ata0-master: DMA limited to UDMA33, non-ATA66 co=
mpliant cable
done
And then the kernel panic'd.

Here is the output for a GENERIC kernel:

ata0-master: DMA limited to UDMA33, non-ATA66 compliant cable
ad0: 9765MB <Maxtor 51023H2> [19841/16/63] at ata0-master WDMA2
acd0: CDROM <NEC CD-ROM DRIVE:28B> at ata0-slave using PIO4
Mounting root from ufs:/dev/ad0s1a
ad0: READ command timeout tag=3D0 serv=3D0 - resetting
ata0: resetting devices .. ata0-master: DMA limited to UDMA33, non-ATA66 co=
mpliant cable
done
ad0: READ command timeout tag=3D0 serv=3D0 - resetting
ata0: resetting devices .. ata0-master: DMA limited to UDMA33, non-ATA66 co=
mpliant cable
done
ad0: READ command timeout tag=3D0 serv=3D0 - resetting
ata0: resetting devices .. ata0-master: DMA limited to UDMA33, non-ATA66 co=
mpliant cable
done
ad0: READ command timeout tag=3D0 serv=3D0 - resetting
ad0: trying fallback to PIO mode
ata0: resetting devices .. done

This is one a dual P-200mhz
--=20
|------------------------------------|
| Bob Bomar                          |
| bulldog@fxp.org                    |
| http://fly.homeunix.org/~bob       |
|=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D|
| FreeBSD: The Power to Serve        |
| http://www.FreeBSD.org             |
|------------------------------------|

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