Date: Tue, 5 Apr 2005 10:14:39 -0400 From: John Baldwin <jhb@FreeBSD.org> To: freebsd-current@FreeBSD.org Cc: current@FreeBSD.org Subject: Re: Panic: HEAD as of March 23rd: duplicate free of an mbuf Message-ID: <200504051014.39396.jhb@FreeBSD.org> In-Reply-To: <200503251546.41187.jhb@FreeBSD.org> References: <200503251546.41187.jhb@FreeBSD.org>
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On Friday 25 March 2005 03:46 pm, John Baldwin wrote: > Panic on a 4 CPU box running buildworld -j 8 in a loop: > > FreeBSD/i386 (deimos.baldwin.cx) (ttyd0) > > login: Slab at 0xc2280fa8, freei 8 = 0. > panic: Duplicate free of item 0xc2280800 from zone 0xc103d840(Mbuf) > > cpuid = 1 > KDB: enter: panic > [thread pid 15027 tid 100093 ] > Stopped at kdb_enter+0x30: leave > db> tr > Tracing pid 15027 tid 100093 td 0xc214e000 > kdb_enter(c071f8c3,1,c073217f,e00e1b88,c214e000) at kdb_enter+0x30 > panic(c073217f,c2280800,c103d840,c071e194,c2280800) at panic+0x14e > uma_dbg_free(c103d840,0,c2280800,8e4,1) at uma_dbg_free+0x17b > uma_zfree_arg(c103d840,c2280800,0,4ed,c4d44300) at uma_zfree_arg+0x131 > soreceive(c4d44298,0,e00e1c80,0,0,e00e1c50,4000) at soreceive+0xa9c > fifo_read_f(c4383ea0,e00e1c80,c2515a00,0,c214e000) at fifo_read_f+0x72 > dofileread(c214e000,c4383ea0,3,bfbfd667,1) at dofileread+0xcc > read(c214e000,e00e1d14,c,3ff,3) at read+0x6b > syscall(808002f,836002f,bfbf002f,bfbfd6a0,0) at syscall+0x2a0 > Xint0x80_syscall() at Xint0x80_syscall+0x1f Still getting this panic on more recent current. Details in an earlier thread. This time it was on a UP x86 box doing a buildworld loop. -- 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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