Hello Tobias, That sounds good, at least you don't have any crash so far. I agree with you, seems a bug, I'm gonna take a look on that. Could you share with me your testbed or how you can reproduce the issue? Best Regards, 2014-10-21 15:36 GMT+08:00 T.C.Berner <tcberner_at_gmail.com>: > The system now has an uptime of >24h using NFS heavily. > > So wsize/rsize=2^15-1 seems to have been the problem.... which is imho a > bug therefore. > > > mfg Tobias > > 2014-10-21 5:11 GMT+02:00 Marcelo Araujo <araujobsdport_at_gmail.com>: > >> Hello Tibias, >> >> Any news? >> >> >> Best Regards, >> >> 2014-10-20 20:55 GMT+08:00 Rick Macklem <rmacklem_at_uoguelph.ca>: >> >>> Tobias C. Berner wrote: >>> > Now that I posted it, 32767 should of course be 2^15=32768. Let me >>> > recheck if it still >>> > hangs with the correct value. >>> > >>> > On Monday 20 October 2014 09.15:39 Tobias C. Berner wrote: >>> > > Hi Marcelo >>> > > >>> > > Yes, I'm using readahead: >>> > > The mountoptions are >>> > > "readahead=4,soft,intr,rw,tcp,wsize=32767,rsize=32767,late" >>> > > >>> If you type "nfsstat -m", you will see what is actually getting used. >>> (I suspect the above rsize/wsize got clipped to 32256 or something like >>> that. I think it clips it to a multiple of 512.) >>> >>> If rsize/wsize are not a power of 2, there are issues, although I've >>> never >>> been able to see why it is broken. Maybe it should clip it to the power >>> of >>> 2 below the value, since it causes unexplained problems otherwise. >>> >>> rick >>> >>> > > >>> > > mfg Tobias >>> > > >>> > > On Monday 20 October 2014 10.41:30 Marcelo Araujo wrote: >>> > > > Hello Tobias, >>> > > > >>> > > > Could you show how you are mount the NFS share? >>> > > > Are you using 'readahead' option? >>> > > > >>> > > > Best Regards, >>> > > > >>> > > > 2014-10-19 17:40 GMT+08:00 Tobias C. Berner <tcberner_at_gmail.com>: >>> > > > > both are at 1100038. >>> > > > > >>> > > > > On Sunday 19 October 2014 11.12:36 Marcelo Araujo wrote: >>> > > > > > It is still strange, could you do what Allan said and send us >>> > > > > > the >>> > > > > > result >>> > > > > >>> > > > > in >>> > > > > >>> > > > > > case you are not sure you have world and kernel in the same >>> > > > > > revision! >>> > > > > > >>> > > > > > On Oct 19, 2014 6:48 AM, "Tobias C. Berner" >>> > > > > > <tcberner_at_gmail.com> wrote: >>> > > > > > > Hi >>> > > > > > > >>> > > > > > > World ist from october 16, installed world and kernel then. >>> > > > > > > >>> > > > > > > Kernel was later rebuilt with debug-options. >>> > > > > > > >>> > > > > > > >>> > > > > > > >>> > > > > > > >>> > > > > > > >>> > > > > > > Is the following more sensible? >>> > > > > > > >>> > > > > > > >>> > ################################################## >>> > > > > > > >>> > > > > > > # kgdb NOXON/kernel.debug vmcore.1 >>> > > > > > > >>> > > > > > > Fatal trap 12: page fault while in kernel mode >>> > > > > > > >>> > > > > > > cpuid = 5; apic id = 05 >>> > > > > > > >>> > > > > > > fault virtual address = 0xfffffe07d1744000 >>> > > > > > > >>> > > > > > > fault code = supervisor write data, page not present >>> > > > > > > >>> > > > > > > instruction pointer = 0x20:0xffffffff80d4d58a >>> > > > > > > >>> > > > > > > stack pointer = 0x28:0xfffffe086057f240 >>> > > > > > > >>> > > > > > > frame pointer = 0x28:0xfffffe086057f2f0 >>> > > > > > > >>> > > > > > > code segment = base 0x0, limit 0xfffff, type 0x1b >>> > > > > > > >>> > > > > > > = DPL 0, pres 1, long 1, def32 0, gran 1 >>> > > > > > > >>> > > > > > > processor eflags = interrupt enabled, resume, IOPL = 0 >>> > > > > > > >>> > > > > > > current process = 6524 (python2.7) >>> > > > > > > >>> > > > > > > >>> > > > > > > >>> > > > > > > >>> > > > > > > >>> > > > > > > (kgdb) bt >>> > > > > > > >>> > > > > > > #0 doadump (textdump=1) at pcpu.h:219 >>> > > > > > > >>> > > > > > > #1 0xffffffff80926b6d in kern_reboot (howto=260) at >>> > > > > > > /usr/src/sys/kern/kern_shutdown.c:447 >>> > > > > > > >>> > > > > > > #2 0xffffffff809270c0 in panic (fmt=<value optimized out>) >>> > > > > > > at >>> > > > > > > /usr/src/sys/kern/kern_shutdown.c:746 >>> > > > > > > >>> > > > > > > #3 0xffffffff8035f167 in db_panic (addr=<value optimized >>> > > > > > > out>, >>> > > > > > > have_addr=2, count=0, modif=0x0) at >>> > > > > > > /usr/src/sys/ddb/db_command.c:473 >>> > > > > > > >>> > > > > > > #4 0xffffffff8035ed7d in db_command (cmd_table=0x0) at >>> > > > > > > /usr/src/sys/ddb/db_command.c:440 >>> > > > > > > >>> > > > > > > #5 0xffffffff8035eaf4 in db_command_loop () at >>> > > > > > > /usr/src/sys/ddb/db_command.c:493 >>> > > > > > > >>> > > > > > > #6 0xffffffff80361600 in db_trap (type=<value optimized >>> > > > > > > out>, >>> > > > > > > code=0) >>> > > > > >>> > > > > at >>> > > > > >>> > > > > > > /usr/src/sys/ddb/db_main.c:251 >>> > > > > > > >>> > > > > > > #7 0xffffffff80966f01 in kdb_trap (type=12, code=0, >>> > > > > > > tf=<value >>> > > > > > > optimized >>> > > > > > > out>) at /usr/src/sys/kern/subr_kdb.c:654 >>> > > > > > > >>> > > > > > > #8 0xffffffff80d4fa7c in trap_fatal >>> > > > > > > (frame=0xfffffe086057f190, >>> > > > > >>> > > > > eva=<value >>> > > > > >>> > > > > > > optimized out>) at /usr/src/sys/amd64/amd64/trap.c:861 >>> > > > > > > >>> > > > > > > #9 0xffffffff80d4fe0c in trap_pfault >>> > > > > > > (frame=0xfffffe086057f190, >>> > > > > > > usermode=<value optimized out>) at >>> > > > > > > /usr/src/sys/amd64/amd64/trap.c:677 >>> > > > > > > >>> > > > > > > #10 0xffffffff80d4f42e in trap (frame=0xfffffe086057f190) >>> > > > > > > at >>> > > > > > > /usr/src/sys/amd64/amd64/trap.c:426 >>> > > > > > > >>> > > > > > > #11 0xffffffff80d33972 in calltrap () at >>> > > > > > > /usr/src/sys/amd64/amd64/exception.S:231 >>> > > > > > > >>> > > > > > > #12 0xffffffff80d4d58a in bzero () at >>> > > > > > > /usr/src/sys/amd64/amd64/support.S:53 >>> > > > > > > >>> > > > > > > #13 0xffffffff80830463 in ncl_doio (vp=0xfffff801e7f99938, >>> > > > > > > bp=0xfffffe07c5a168e8, cr=<value optimized out>, td=<value >>> > > > > > > optimized >>> > > > > >>> > > > > out>, >>> > > > > >>> > > > > > > called_from_strategy=<value optimized out>) >>> > > > > > > >>> > > > > > > at /usr/src/sys/fs/nfsclient/nfs_clbio.c:1648 >>> > _______________________________________________ >>> > freebsd-current_at_freebsd.org mailing list >>> > http://lists.freebsd.org/mailman/listinfo/freebsd-current >>> > To unsubscribe, send any mail to >>> > "freebsd-current-unsubscribe_at_freebsd.org" >>> > >>> >> >> >> >> -- >> >> -- >> Marcelo Araujo (__)araujo_at_FreeBSD.org \\\'',)http://www.FreeBSD.org <http://www.freebsd.org/> \/ \ ^ >> Power To Server. .\. /_) >> >> > -- -- Marcelo Araujo (__)araujo_at_FreeBSD.org \\\'',)http://www.FreeBSD.org <http://www.freebsd.org/> \/ \ ^ Power To Server. .\. /_)Received on Tue Oct 21 2014 - 05:45:28 UTC
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