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From: Tony Jago <t.jago@its.uq.edu.au>
To: freebsd-current@freebsd.org
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Subject: Dell 1850 + Perc 4e/Si + FreeBSD 5.3-BETA3 install CD = Panic at
	boot
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Hi all,

Just a quick note to let you know that the FreeBSD 5.3-BETA3 cd panic's
a Dell 1850. These machines have the new Perc 4e/Si Raid controller. If
the card is in either "RAID Enabled" or "SCSI Enabled" mode in the BIOS
the machine panics booting the installation CD. If this Perc 4e card is
disabled the CD boots into sysinstall just fine.

acd1: CDROM <VIRTUALCDROM DRIVE/> at ata2-slave BIOSPIO
Memory modified after free 0xc3c01180(124) val=c3c3f80c @ 0xc3c01198
panic: Most recently used by AFD driver
...
db> trace
kdb_enter(..
panic(...
mtrash_ctor(
malloc(
cam_periph_alloc(
xpt_scan_lun(
xpt_action(
xpt_scan_bus(
....

If anybody wants any further debugging done please let me know.

Tony