Date: Tue, 03 Mar 2015 16:54:09 -0500 From: Mike Tancsa <mike@sentex.net> To: freebsd-questions <freebsd-questions@freebsd.org> Subject: nfs mounted /tmp vs disk mounted /tmp Message-ID: <54F62D81.4060407@sentex.net>
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[-- Attachment #1 --] While trying to test in the lab a migration of disks from an old pci-x arcmrs array to a pcie card, I ran into an odd problem with the cli and raid management daemon. I would start up the programs and they would immediately exit Looking at the truss output, it seemed to bork soon after it tried to create a file in /tmp. Testing all the same hardware, but then booting from a disk, it worked. Back to netboot, but this time with /tmp mounted via tmpfs, it also worked. So it seems there is something about having tmp mounted via nfs that causes the program to die. The issue seems to be the setting of locks. I am curious, is this something that can be worked around in nfs, or due to the nature of nfs, this is not possible ? I think I saw this same issue with virtual box in a netboot environment (https://lists.freebsd.org/pipermail/freebsd-emulation/2014-July/011693.html) .... nfs mounted /tmp mknod("/dev/arcmsr0",020666,-6368) = 0 (0x0) open("/dev/arcmsr0",O_RDWR,00) = 3 (0x3) ioctl(3,0xc4244e06 { IORW 0x4e('N'), 6, 1060 },0xffffe3e0) = 0 (0x0) open("/tmp/arcmsr0",O_RDWR|O_CREAT,00) = 4 (0x4) getpid() = 795 (0x31b) fcntl(4,F_SETLKW,0x7ffffffcde10) ERR#45 'Operation not supported' vs tmpfs mounted /tmp mknod("/dev/arcmsr0",020666,-6368) = 0 (0x0) open("/dev/arcmsr0",O_RDWR,00) = 3 (0x3) ioctl(3,0xc4244e06 { IORW 0x4e('N'), 6, 1060 },0xffffe3e0) = 0 (0x0) open("/tmp/arcmsr0",O_RDWR|O_CREAT,00) = 4 (0x4) getpid() = 853 (0x355) fcntl(4,F_SETLKW,0x7ffffffcde10) = 0 (0x0) ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/ [-- Attachment #2 --] With /tmp mounted via nfs truss ./areca-cli __sysctl(0x7fffffffe610,0x2,0x6516c8,0x7fffffffe608,0x0,0x0) = 0 (0x0) readlink("/etc/malloc.conf",0x7fffffffe630,1024) ERR#2 'No such file or directory' issetugid(0x50badf,0x7fffffffe630,0xffffffffffffffff,0x0,0x0,0x0) = 0 (0x0) break(0x700000) = 0 (0x0) __sysctl(0x7fffffffe8f0,0x2,0x7fffffffe90c,0x7fffffffe900,0x0,0x0) = 0 (0x0) mmap(0x0,1048576,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,-1,0x0) = 34366095360 (0x800610000) mmap(0x800710000,983040,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,-1,0x0) = 34367143936 (0x800710000) munmap(0x800610000,983040) = 0 (0x0) sysarch(0x81,0x7fffffffeaf0,0x0,0x0,0x10,0x800700068) = 0 (0x0) getpid() = 795 (0x31b) __sysctl(0x7fffffffea70,0x2,0x65de10,0x7fffffffea78,0x0,0x0) = 0 (0x0) __sysctl(0x7fffffffea00,0x2,0x7fffffffe990,0x7fffffffe9f8,0x50b398,0xd) = 0 (0x0) __sysctl(0x7fffffffe990,0x3,0x64f1a8,0x7fffffffea78,0x0,0x0) = 0 (0x0) __sysctl(0x7fffffffea30,0x2,0x65b358,0x7fffffffea28,0x0,0x0) = 0 (0x0) thr_self(0x8007041c0,0x0,0x0,0x0,0x188,0x800700080) = 0 (0x0) mmap(0x7fffffbfe000,4096,PROT_NONE,MAP_ANON,-1,0x0) = 140737484152832 (0x7fffffbfe000) thr_set_name(0x18711,0x50b3e0,0x400000,0x1000,0xffffffff,0x0) = 0 (0x0) rtprio_thread(0x0,0x18711,0x7fffffffea20,0x1000,0xffffffff,0x0) = 0 (0x0) sysarch(0x81,0x7fffffffea40,0x7fffffffea80,0x208,0xffffffff,0x0) = 0 (0x0) sigprocmask(SIG_SETMASK,SIGHUP|SIGINT|SIGQUIT|SIGILL|SIGABRT|SIGEMT|SIGFPE|SIGKILL|SIGBUS|SIGSEGV|SIGSYS|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTSTP|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|SIGWINCH|SIGINFO|SIGUSR1|SIGUSR2,0x0) = 0 (0x0) sigaction(32,{ 0x4b51f0 SA_RESTART|SA_SIGINFO ss_t },0x0) = 0 (0x0) sigprocmask(SIG_SETMASK,0x0,0x0) = 0 (0x0) __sysctl(0x7fffffffeac0,0x2,0x6518e0,0x7fffffffeab8,0x0,0x0) = 0 (0x0) unlink("/dev/arcmsr0") = 0 (0x0) unlink("/dev/arcmsr1") ERR#2 'No such file or directory' unlink("/dev/arcmsr2") ERR#2 'No such file or directory' unlink("/dev/arcmsr3") ERR#2 'No such file or directory' mknod("/dev/arcmsr0",020666,-6368) = 0 (0x0) open("/dev/arcmsr0",O_RDWR,00) = 3 (0x3) ioctl(3,0xc4244e06 { IORW 0x4e('N'), 6, 1060 },0xffffe3e0) = 0 (0x0) open("/tmp/arcmsr0",O_RDWR|O_CREAT,00) = 4 (0x4) getpid() = 795 (0x31b) fcntl(4,F_SETLKW,0x7ffffffcde10) ERR#45 'Operation not supported' stat("/usr/share/nls/C/libc.cat",0x7ffffffcd8c0) ERR#2 'No such file or directory' stat("/usr/share/nls/libc/C",0x7ffffffcd8c0) ERR#2 'No such file or directory' stat("/usr/local/share/nls/C/libc.cat",0x7ffffffcd8c0) ERR#2 'No such file or directory' stat("/usr/local/share/nls/libc/C",0x7ffffffcd8c0) ERR#2 'No such file or directory' process exit, rval = 1 with /tmp mounted with tmpfs root@areca_test:~ # truss ./areca-cli __sysctl(0x7fffffffe610,0x2,0x6516c8,0x7fffffffe608,0x0,0x0) = 0 (0x0) readlink("/etc/malloc.conf",0x7fffffffe630,1024) ERR#2 'No such file or directory' issetugid(0x50badf,0x7fffffffe630,0xffffffffffffffff,0x0,0x0,0x0) = 0 (0x0) break(0x700000) = 0 (0x0) __sysctl(0x7fffffffe8f0,0x2,0x7fffffffe90c,0x7fffffffe900,0x0,0x0) = 0 (0x0) mmap(0x0,1048576,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,-1,0x0) = 34366095360 (0x800610000) mmap(0x800710000,983040,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,-1,0x0) = 34367143936 (0x800710000) munmap(0x800610000,983040) = 0 (0x0) sysarch(0x81,0x7fffffffeaf0,0x0,0x0,0x10,0x800700068) = 0 (0x0) getpid() = 853 (0x355) __sysctl(0x7fffffffea70,0x2,0x65de10,0x7fffffffea78,0x0,0x0) = 0 (0x0) __sysctl(0x7fffffffea00,0x2,0x7fffffffe990,0x7fffffffe9f8,0x50b398,0xd) = 0 (0x0) __sysctl(0x7fffffffe990,0x3,0x64f1a8,0x7fffffffea78,0x0,0x0) = 0 (0x0) __sysctl(0x7fffffffea30,0x2,0x65b358,0x7fffffffea28,0x0,0x0) = 0 (0x0) thr_self(0x8007041c0,0x0,0x0,0x0,0x188,0x800700080) = 0 (0x0) mmap(0x7fffffbfe000,4096,PROT_NONE,MAP_ANON,-1,0x0) = 140737484152832 (0x7fffffbfe000) thr_set_name(0x186ec,0x50b3e0,0x400000,0x1000,0xffffffff,0x0) = 0 (0x0) rtprio_thread(0x0,0x186ec,0x7fffffffea20,0x1000,0xffffffff,0x0) = 0 (0x0) sysarch(0x81,0x7fffffffea40,0x7fffffffea80,0x208,0xffffffff,0x0) = 0 (0x0) sigprocmask(SIG_SETMASK,SIGHUP|SIGINT|SIGQUIT|SIGILL|SIGABRT|SIGEMT|SIGFPE|SIGKILL|SIGBUS|SIGSEGV|SIGSYS|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTSTP|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|SIGWINCH|SIGINFO|SIGUSR1|SIGUSR2,0x0) = 0 (0x0) sigaction(32,{ 0x4b51f0 SA_RESTART|SA_SIGINFO ss_t },0x0) = 0 (0x0) sigprocmask(SIG_SETMASK,0x0,0x0) = 0 (0x0) __sysctl(0x7fffffffeac0,0x2,0x6518e0,0x7fffffffeab8,0x0,0x0) = 0 (0x0) unlink("/dev/arcmsr0") = 0 (0x0) unlink("/dev/arcmsr1") ERR#2 'No such file or directory' unlink("/dev/arcmsr2") ERR#2 'No such file or directory' unlink("/dev/arcmsr3") ERR#2 'No such file or directory' mknod("/dev/arcmsr0",020666,-6368) = 0 (0x0) open("/dev/arcmsr0",O_RDWR,00) = 3 (0x3) ioctl(3,0xc4244e06 { IORW 0x4e('N'), 6, 1060 },0xffffe3e0) = 0 (0x0) open("/tmp/arcmsr0",O_RDWR|O_CREAT,00) = 4 (0x4) getpid() = 853 (0x355) fcntl(4,F_SETLKW,0x7ffffffcde10) = 0 (0x0) ioctl(3,0xc4244e04 { IORW 0x4e('N'), 4, 1060 },0xfffcd9d0) = 0 (0x0) ioctl(3,0xc4244e03 { IORW 0x4e('N'), 3, 1060 },0xfffcd9d0) = 0 (0x0) ioctl(3,0xc4244e02 { IORW 0x4e('N'), 2, 1060 },0xfffcd9f0) = 0 (0x0) ioctl(3,0xc4244e01 { IORW 0x4e('N'), 1, 1060 },0xfffcd9f0) = 0 (0x0) nanosleep({0.010000000 }) = 0 (0x0) ioctl(3,0xc4244e01 { IORW 0x4e('N'), 1, 1060 },0xfffcd9f0) = 0 (0x0) nanosleep({0.010000000 }) = 0 (0x0) ioctl(3,0xc4244e01 { IORW 0x4e('N'), 1, 1060 },0xfffcd9f0) = 0 (0x0) nanosleep({0.010000000 }) = 0 (0x0) ioctl(3,0xc4244e01 { IORW 0x4e('N'), 1, 1060 },0xfffcd9f0) = 0 (0x0) nanosleep({0.010000000 }) = 0 (0x0) ioctl(3,0xc4244e01 { IORW 0x4e('N'), 1, 1060 },0xfffcd9f0) = 0 (0x0) nanosleep({0.010000000 }) = 0 (0x0) ioctl(3,0xc4244e01 { IORW 0x4e('N'), 1, 1060 },0xfffcd9f0) = 0 (0x0) nanosleep({0.010000000 }) = 0 (0x0) ioctl(3,0xc4244e01 { IORW 0x4e('N'), 1, 1060 },0xfffcd9f0) = 0 (0x0) nanosleep({0.010000000 }) = 0 (0x0) ioctl(3,0xc4244e01 { IORW 0x4e('N'), 1, 1060 },0xfffcd9f0) = 0 (0x0) nanosleep({0.010000000 }) = 0 (0x0) ioctl(3,0xc4244e01 { IORW 0x4e('N'), 1, 1060 },0xfffcd9f0) = 0 (0x0) nanosleep({0.010000000 }) = 0 (0x0) ioctl(3,0xc4244e01 { IORW 0x4e('N'), 1, 1060 },0xfffcd9f0) = 0 (0x0)
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