Date: Mon, 6 Sep 2004 10:33:49 +0300 From: Ion-Mihai Tetcu <itetcu@people.tecnik93.com> To: freebsd-current@freebsd.org Subject: LOR sndstat.c:165 vm_map.c:2997 Message-ID: <20040906103349.57b1d7cd@it.buh.tecnik93.com>
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# uname -a FreeBSD it.buh.tecnik93.com 5.3-BETA3 FreeBSD 5.3-BETA3 #1: Sat Sep 4 07:14:07 EEST 2004 itetcu@it.buh.tecnik93.com:/usr/obj/usr/src/sys/IT53_b2_df i386 with "normal" debugging stuff minus malloc # cat /dev/sndstat FreeBSD Audio Driver (newpcm) Installed devices: pcm0: <VIA VT8235> at io 0xe400 irq 22 kld snd_via8233 (5p/1r/0v channels duplex default) It happen when I've first cat /dev/sndstat, it doesn't happen after. Sep 6 10:25:28 it kernel: 1st 0xc07f9800 sndstat (sndstat) @ /usr/src/sys/modules/sound/sound/../../../dev/sound/pcm/sndstat.c:165 Sep 6 10:25:28 it kernel: 2nd 0xc2e6174c user map (user map) @ /usr/src/sys/vm/vm_map.c:2997 Sep 6 10:25:28 it kernel: KDB: stack backtrace: Sep 6 10:25:28 it kernel: kdb_backtrace(c0687b96,c2e6174c,c069778e,c069778e,c069780e) at kdb_backtrace+0x2e Sep 6 10:25:28 it kernel: witness_checkorder(c2e6174c,9,c069780e,bb5,ef65c000) at witness_checkorder+0x6b2 Sep 6 10:25:28 it kernel: _sx_xlock(c2e6174c,c069780e,bb5,c2279a00,ef26a978) at _sx_xlock+0x7e Sep 6 10:25:28 it kernel: _vm_map_lock_read(c2e61708,c069780e,bb5,26446e1,804c000) at _vm_map_lock_read+0x4a Sep 6 10:25:28 it kernel: vm_map_lookup(ef26aa20,804c000,2,ef26aa24,ef26aa14) at vm_map_lookup+0x2e Sep 6 10:25:28 it kernel: vm_fault(c2e61708,804c000,2,8,c2e8fb00) at vm_fault+0x7e Sep 6 10:25:28 it kernel: trap_pfault(ef26aaec,0,804c000,c06df600,804c000) at trap_pfault+0xf7 Sep 6 10:25:28 it kernel: trap(18,10,10,804c000,c4b56000) at trap+0x34d Sep 6 10:25:28 it kernel: calltrap() at calltrap+0x5 Sep 6 10:25:28 it kernel: --- trap 0xc, eip = 0xc06509aa, esp = 0xef26ab2c, ebp = 0xef26ab60 --- Sep 6 10:25:28 it kernel: generic_copyout(c4b56000,8b,ef26ac80,a5,c2e0f660) at generic_copyout+0x36 Sep 6 10:25:28 it kernel: sndstat_read(c06d6c68,ef26ac80,20000,ef26abc4,c07f82a0) at sndstat_read+0xb5 Sep 6 10:25:28 it kernel: spec_read(ef26ac0c,ef26ac58,c053c228,ef26ac0c,1020002) at spec_read+0x1e3 Sep 6 10:25:28 it kernel: spec_vnoperate(ef26ac0c,1020002,c2e8fb00,219,ef26ac80) at spec_vnoperate+0x18 Sep 6 10:25:28 it kernel: vn_read(c2e0f660,ef26ac80,c4e51480,0,c2e8fb00) at vn_read+0x198 Sep 6 10:25:28 it kernel: dofileread(c2e8fb00,c2e0f660,3,804c000,1000) at dofileread+0xa4 Sep 6 10:25:28 it kernel: read(c2e8fb00,ef26ad14,c,431,3) at read+0x6b Sep 6 10:25:28 it kernel: syscall(2f,2f,2f,1,bfbfec05) at syscall+0x272 Sep 6 10:25:28 it kernel: Xint0x80_syscall() at Xint0x80_syscall+0x1f Sep 6 10:25:28 it kernel: --- syscall (3, FreeBSD ELF32, read), eip = 0x280d5fbf, esp = 0xbfbfe9dc, ebp = 0xbfbfea68 --- -- IOnut Unregistered ;) FreeBSD "user"
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