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From: Clive Lin <clive@tongi.org>
To: YONETANI Tomokazu <t-yonetani@ergobrains.co.jp>
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cc: freebsd-current@freebsd.org
Subject: ServeRAID semi show stopper (was Re: lots of "exclusive sleep
	mutex")
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Hi,

    Here comes more helpful ServeRAID related warnings:

Bad malloc flags: 0
Stack backtrace:
malloc() of "16" with the following non-sleepable locks held:
exclusive sleep mutex g_xdown r = 0 (0xe1f31cbc) locked @ /usr/src/sys/geom/geom_io.c:355
Bad uma_zalloc flags: 0
Stack backtrace:
malloc() of "16" with the following non-sleepable locks held:
exclusive sleep mutex g_xdown r = 0 (0xe1f31cbc) locked @ /usr/src/sys/geom/geom_io.c:355
malloc() of "16" with the following non-sleepable locks held:
exclusive sleep mutex g_xdown r = 0 (0xe1f31cbc) locked @ /usr/src/sys/geom/geom_io.c:355
malloc() of "16" with the following non-sleepable locks held:
exclusive sleep mutex g_xdown r = 0 (0xe1f31cbc) locked @ /usr/src/sys/geom/geom_io.c:355
( ... repeats ... )

    The ServeRAID adaptor is
# grep ips /var/run/dmesg.boot
ips0: <IBM ServeRAID Adapter> mem 0xf0000000-0xf3ffffff irq 24 at device 1.0 on pci4
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
ips0: adapter type: ServeRAID 5i II (sarasota)
ips0: logical drives: 1
ips0: Logical Drive 0: RAID5 sectors: 142192640, state OK
ipsd0: <Logical Drive> on ips0
GEOM: create disk ipsd0 dp=0xc6bc1010
ipsd0: Logical Drive  (69430MB)

    To be more specific, it's FreeBSD 5.2-BETA with
hint.acpi.0.disabled=1, running on IBM x225. Everything is ok, except
the ServeRAID warns :)

Clive