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Date:      Sat, 26 Jan 2008 06:07:50 +0900
From:      tadokoro <tadokoro@csg.is.titech.ac.jp>
To:        kris@FreeBSD.org
Cc:        freebsd-bugs@FreeBSD.org, tadokoro@csg.is.titech.ac.jp
Subject:   Re: kern/119890: debuggin pidgin with gdb causes kernel crash
Message-ID:  <87odb9havt.wl%tadokoro@csg.is.titech.ac.jp>
In-Reply-To: <200801242046.m0OKk19X077644@freefall.freebsd.org>
References:  <200801242046.m0OKk19X077644@freefall.freebsd.org>

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hi,

kernel does not panic, so I cannot dump kernel.
And I saw message "kernel trap 9 with interrupts disabled" on the console.
So I built kernel with kdb and ddb,
and I did single stepping execution with break point at printf.

At doreti_iret_faut,

db> s
Stopped at         doreti_iret_fault:      subq $0x98,%rsp
db> s
Stopped at         doreti_iret_fault+0x7:  testb $0x3,0xa0(%rsp)
db> s
Stopped at         doreti_iret_fault+0xf:  jz doreti_iret_fault+0x14
db> s
Stopped at         doreti_iret_fault+0x11: invlpg %ax
db> s

not return...
Keyboard(num lock or caps lock) does not react.
What should I do?

-- 
tadokoro



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