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Date:      Wed, 28 Mar 2001 17:30:03 -0800 (PST)
From:      Jim Bloom <bloom@acm.org>
To:        freebsd-bugs@FreeBSD.org
Subject:   Re: kern/26188: Kernel page fault in mpu attach
Message-ID:  <200103290130.f2T1U3Q03276@freefall.freebsd.org>

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The following reply was made to PR kern/26188; it has been noted by GNATS.

From: Jim Bloom <bloom@acm.org>
To: freebsd-gnats-submit@FreeBSD.org, bloom@acm.org
Cc:  
Subject: Re: kern/26188: Kernel page fault in mpu attach
Date: Wed, 28 Mar 2001 20:26:40 -0500

 Here are the error messages:
 
 Fatal trap 12: page fault while in kernel mode
 fault virtual address   = 0x1a0
 fault code              = supervisor read, page not present
 instruction pointer     = 0x8:0xc01c8006
 stack pointer           = 0x10:0xc04e66dc
 frame pointer           = 0x10:0xc04e66db>
 
 trace
 _mtx_lock_sleep(c0ecda08,0,c036d471,268) at _mtx_lock_sleep+0x29a
 mpu_uartmode(c0ecda00) at mpu_uartmode+0x63
 mpu_attach(c0ebd100,c0ebd100,c0ebd100,c0e67080,c04e675c) at
 mpu_attach+0x25
 mpusbc_attach(c0ebd100,c0ebd100,c0ea5ac0,c036e926,1) at
 mpusbc_attach+0x19
 device_probe_and_attach(c0ebd100) at device_probe_and_attach+0x9a
 bus_generic_attach(c0ea2000,c0ebd080,c0ea5ac0,c0ea2000,c036e935) at
 bus_generic_attach+0x16
 sbc_attach(c0ea2000,c0eadb00,c0ea2000,7,0) at sbc_attach+0x3cc
 device_probe_and_attach(c0ea2000,c0404c4c,c03f9030,4eb000,c0eadb00) at
 device_probe_and_attach+0x9a
 isa_probe_children(c0ea2980,c04e6ff8,c01b1f74,0,4e4c00) at
 isa_probe_children+0x143
 configure(0,4e4c00,4e4000,0,c01277d2) at configure+0x39
 mi_startup() at mi_startup+0x68
 begin() at begin+0x29

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