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Date:      Sun, 26 May 2002 16:20:03 -0700 (PDT)
From:      "Seth J. Hettich" <sjh@rodan.ICS.UCI.EDU>
To:        freebsd-bugs@FreeBSD.org
Subject:   Re: kern/38438: System crashes when starting XFree4 
Message-ID:  <200205262320.g4QNK3Z54995@freefall.freebsd.org>

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The following reply was made to PR kern/38438; it has been noted by GNATS.

From: "Seth J. Hettich" <sjh@rodan.ICS.UCI.EDU>
To: FreeBSD-gnats-submit@freebsd.org
Cc:  
Subject: Re: kern/38438: System crashes when starting XFree4 
Date: Sun, 26 May 2002 16:16:56 -0700

 Another hang followed by a crash, while in X.
 I had X up for probably 2 days, with light usage.
 This was with my debug kernel.
 
 (no debugging symbols found)...
 IdlePTD at phsyical address 0x005d8000
 initial pcb at physical address 0x004bc1c0
 panicstr: bremfree: bp 0xc779fd40 not locked
 panic messages:
 ---
 panic: Most recently used by kqueue
 
 
 syncing disks... panic: bremfree: bp 0xc779fd40 not locked
 Uptime: 1d4h33m21s
 Dumping 256 MB
 (kgdb) where
 #0  0xc0271fba in doadump ()
 #1  0xc0272443 in boot ()
 #2  0xc02725e8 in poweroff_wait ()
 #3  0xc02a51e5 in bremfree ()
 #4  0xc02a6978 in vfs_bio_awrite ()
 #5  0xc024dd1e in spec_fsync ()
 #6  0xc024d913 in spec_vnoperate ()
 #7  0xc035533c in ffs_sync ()
 #8  0xc02b34f5 in sync ()
 #9  0xc0272097 in boot ()
 #10 0xc02725e8 in poweroff_wait ()
 #11 0xc0370792 in mtrash_ctor ()
 #12 0xc036f784 in uma_zalloc_arg ()
 #13 0xc0269b1c in malloc ()
 #14 0xc03554ae in ffs_vget ()
 #15 0xc0346845 in ffs_valloc ()
 #16 0xc035e45c in ufs_makeinode ()
 #17 0xc035bc7e in ufs_create ()
 #18 0xc035e7af in ufs_vnoperate ()
 #19 0xc02b8dda in vn_open_cred ()
 #20 0xc02b8c5c in vn_open ()
 #21 0xc02b3ea7 in open ()
 #22 0xc039a58b in syscall ()
 #23 0xc038d48d in syscall_with_err_pushed ()
 

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