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Date: Thu, 1 Oct 2009 20:40:02 GMT
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To: freebsd-bugs@FreeBSD.org
From: Michael Moll <kvedulv@kvedulv.de>
Cc: 
Subject: Re: kern/135014: [padlock] Using padlock(4) in 8-current triggers
 "fpudna in kernel mode" warnings
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The following reply was made to PR kern/135014; it has been noted by GNATS.

From: Michael Moll <kvedulv@kvedulv.de>
To: bug-followup@FreeBSD.org, mark@legios.org
Cc:  
Subject: Re: kern/135014: [padlock] Using padlock(4) in 8-current triggers
 "fpudna in kernel mode" warnings
Date: Thu, 1 Oct 2009 22:35:14 +0200

 as 9-CURRENT now produces backtraces in such cases, here is one:
 
 fpudna in kernel mode!
 KDB: stack backtrace:
 db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
 trap() at trap+0x465
 calltrap() at calltrap+0x8
 --- trap 0x16, rip = 0xffffffff81256b79, rsp = 0xffffff803e819a70, rbp = 0xffffff803e819ad0 ---
 padlock_cipher_process() at padlock_cipher_process+0x140
 padlock_process() at padlock_process+0x157
 crypto_invoke() at crypto_invoke+0x87
 crypto_dispatch() at crypto_dispatch+0xfa
 g_eli_crypto_run() at g_eli_crypto_run+0x16c
 g_eli_worker() at g_eli_worker+0x135
 fork_exit() at fork_exit+0x12a
 fork_trampoline() at fork_trampoline+0xe
 --- trap 0, rip = 0, rsp = 0xffffff803e819d30, rbp = 0 ---