Date: Mon, 19 Apr 2004 11:32:14 -0400 From: John Baldwin <jhb@FreeBSD.org> To: alpha@FreeBSD.org Cc: Kris Kennaway <kris@obsecurity.org> Subject: Re: Alpha deadlock Message-ID: <200404191132.14855.jhb@FreeBSD.org> In-Reply-To: <20040417042743.GA96517@xor.obsecurity.org> References: <20040417042743.GA96517@xor.obsecurity.org>
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On Saturday 17 April 2004 12:27 am, Kris Kennaway wrote: > One of the alpha machines has deadlocked; the running process is: > > 79102 fffffc001a451680 fffffe0014428000 0 78395 78391 0004000 [CPU 0] cp > > which has the following process trace: Is the interrupt from you entering DDB? > --- interrupt (from ipl 0) --- > critical_exit() at critical_exit+0x4c > _mtx_unlock_spin_flags() at _mtx_unlock_spin_flags+0xe4 > witness_checkorder() at witness_checkorder+0x64c > _mtx_lock_flags() at _mtx_lock_flags+0x9c > vm_fault() at vm_fault+0x298 > trap() at trap+0x554 > XentMM() at XentMM+0x2c > --- memory management fault --- > bcopy() at bcopy+0x14 > copyin() at copyin+0x38 > uiomove() at uiomove+0x1cc > ffs_write() at ffs_write+0x4d8 > vn_write() at vn_write+0x2a0 > dofilewrite() at dofilewrite+0x130 > write() at write+0x64 > syscall() at syscall+0x36c > XentSys() at XentSys+0x64 > --- syscall (4, FreeBSD ELF64, write) --- > --- user mode --- > db> -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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