kern/53566: IBM Eserver (245 || 345) + ServeRaid 5i ips driver panic

Nate Lawson nate at
Tue Jul 1 17:50:20 PDT 2003

The following reply was made to PR kern/53566; it has been noted by GNATS.

From: Nate Lawson <nate at>
To: Jack Patton <jackp at>
Cc: freebsd-scsi at, FreeBSD-gnats-submit at
Subject: Re: kern/53566: IBM Eserver (245 || 345) + ServeRaid 5i ips driver
Date: Tue, 1 Jul 2003 17:42:56 -0700 (PDT)

 On Tue, 1 Jul 2003, Jack Patton wrote:
 > Nate Lawson <nate at> said:
 > > Disable acpi and try again.  Update your BIOS to hopefully get new ACPI
 > > code.  There's some problem here with unitialized memory.  It may be
 > > elsewhere though and ACPI is just stumbling onto it.
 > Here's the result of booting with hint.acpi.0.disabled=1. We just got this
 > server recently. The server BIOS is at the latest version. I'm downloading a
 > BIOS/Firmware for the ServeRaid card itself now and will test it with that
 > applied.
 > Memory modified after free 0xc18b5700(252)
 > panic: Most recently used by devbuf
 > Debugger("panic")
 > Stopped at      Debugger+0x54:  xchgl   %ebx,in_Debugger.0
 > db> tr
 > Debugger(c05025bf,c05c5240,c0519512,c0b35ca4,100) at Debugger+0x54
 > panic(c0519512,c0500e61,fc,c0c3ab74,c0c3ab60) at panic+0xcc
 > mtrash_ctor(c18b5700,100,0,549,c18b5700) at mtrash_ctor+0x5d
 > uma_zalloc_arg(c0c3ab60,0,101,c0327740,c0599ca8) at uma_zalloc_arg+0x194
 > malloc(a8,c0556ac0,101,c05226b0,c0b35d6c) at malloc+0xd4
 > device_get_children(c4321380,c0b35d58,c0b35d5c,c0325d82,c18bf700) at
 > device_get_
 > children+0x47
 > isa_probe_children(c4321380,c051c640,0,c0b35d98,c02e9a25) at
 > isa_probe_children+
 > 0x2d
 > configure(0,b32000,b32c00,b32000,0) at configure+0x4b
 > mi_startup() at mi_startup+0xb5
 > begin() at begin+0x2c
 > db>
 Nope, I was wrong.  Looks like it is indeed our problem.  At least this tr
 is easier to read.  :)

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