On Thu, Aug 18, 2011 at 3:25 PM, Clinton Adams <clinton.ad...@gmail.com> wrote: > Hello, > > Kernel panics if clients hit the nfs server sufficiently hard - > happens repeatedly with 13 clients logging in at the same approximate > time, using nfsv4 mounted homes. > > server is running freebsd 8.2-RELEASE-p2. clients are linux 2.6.38-10 > > Running a memtest on the server now to rule out bad mem. The server > has been used for samba, and it's only with the attempted switch to > nfs that this problem has appeared. >
Err, wrong paste from another forum. Here's the trace from my server: Fatal trap 12: page fault while in kernel mode Fatal trap 12: page fault while in kernel mode cpuid = 0; cpuid = 2; apic id = 00apic id = 06 fault virtual address = 0x0 fault virtual address = 0x8 fault code = supervisor write data, page not present fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff807db856 instruction pointer = 0x20:0xffffffff807dc0d7 stack pointer = 0x28:0xffffff8096c0d840 stack pointer = 0x28:0xffffff8096c17860 frame pointer = 0x28:0xffffff8096c0d860 frame pointer = 0x28:0xffffff8096c17a80 code segment = base 0x0, limit 0xfffff, type 0x1b code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = processor eflags = interrupt enabled, interrupt enabled, resume, resume, IOPL = 0IOPL = 0 current process = current process = 765 (nfsd: service)765 (nfsd: service) trap number = 12 trap number = 12 panic: page fault cpuid = 1 Uptime: 3h22m48s Physical memory: 2032 MB Dumping 406 MB: 391 375 359 343 327 311 295 279 263 247 231 215 199 183 167 151 135 119 103 87 71 55 39 23 7 Reading symbols from /boot/kernel/linux.ko...done. Loaded symbols for /boot/kernel/linux.ko Reading symbols from /boot/kernel/nfscommon.ko...done. Loaded symbols for /boot/kernel/nfscommon.ko Reading symbols from /boot/kernel/nfsd.ko...done. Loaded symbols for /boot/kernel/nfsd.ko Reading symbols from /boot/kernel/snp.ko...done. Loaded symbols for /boot/kernel/snp.ko #0 doadump () at pcpu.h:224 224 __asm("movq %%gs:0,%0" : "=r" (td)); (kgdb) list *0xffffffff807db856 0xffffffff807db856 is in svc_rpc_gss_forget_client (/usr/src/sys/rpc/rpcsec_gss/svc_rpcsec_gss.c:622). 617 struct svc_rpc_gss_client_list *list; 618 619 list = &svc_rpc_gss_client_hash[client->cl_id.ci_id % CLIENT_HASH_SIZE]; 620 sx_xlock(&svc_rpc_gss_lock); 621 TAILQ_REMOVE(list, client, cl_link); 622 TAILQ_REMOVE(&svc_rpc_gss_clients, client, cl_alllink); 623 svc_rpc_gss_client_count--; 624 sx_xunlock(&svc_rpc_gss_lock); 625 svc_rpc_gss_release_client(client); 626 } (kgdb) backtrace #0 doadump () at pcpu.h:224 #1 0xffffffff805cbabe in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:419 #2 0xffffffff805cbed3 in panic (fmt=0x0) at /usr/src/sys/kern/kern_shutdown.c:592 #3 0xffffffff808d239d in trap_fatal (frame=0xffffff0004c89460, eva=Variable "eva" is not available. ) at /usr/src/sys/amd64/amd64/trap.c:783 #4 0xffffffff808d275f in trap_pfault (frame=0xffffff8096c0d790, usermode=0) at /usr/src/sys/amd64/amd64/trap.c:699 #5 0xffffffff808d2b5f in trap (frame=0xffffff8096c0d790) at /usr/src/sys/amd64/amd64/trap.c:449 #6 0xffffffff808bada4 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:224 #7 0xffffffff807db856 in svc_rpc_gss_forget_client (client=0xffffff001c015200) at atomic.h:158 #8 0xffffffff807dc0e3 in svc_rpc_gss (rqst=0xffffff0004a24000, msg=0xffffff8096c0db20) at /usr/src/sys/rpc/rpcsec_gss/svc_rpcsec_gss.c:642 #9 0xffffffff807d48f3 in svc_run_internal (pool=0xffffff0004ca6200, ismaster=0) at /usr/src/sys/rpc/svc.c:837 #10 0xffffffff807d50ab in svc_thread_start (arg=Variable "arg" is not available. ) at /usr/src/sys/rpc/svc.c:1200 #11 0xffffffff805a26f8 in fork_exit (callout=0xffffffff807d50a0 <svc_thread_start>, arg=0xffffff0004ca6200, frame=0xffffff8096c0dc40) at /usr/src/sys/kern/kern_fork.c:845 #12 0xffffffff808bb26e in fork_trampoline () at /usr/src/sys/amd64/amd64/exception.S:565 #13 0x0000000000000080 in ?? () #14 0x00007fffffffe6e0 in ?? () #15 0x000000000000002e in ?? () #16 0x0000000000000000 in ?? () #17 0xfffffffffffffef4 in ?? () #18 0x0000000000000000 in ?? () #19 0x000000000000009b in ?? () #20 0x00007fffffffe6e0 in ?? () #21 0x0000000000000008 in ?? () #22 0x0000000000000003 in ?? () #23 0x00000000ffffffff in ?? () #24 0x00007fffffffe700 in ?? () #25 0x0000000000000000 in ?? () #26 0x0000000000000001 in ?? () #27 0x0000000000000000 in ?? () #28 0x001b00130000000c in ?? () #29 0x00007fffffffffe8 in ?? () #30 0x003b003b00000001 in ?? () #31 0x0000000000000002 in ?? () #32 0x00000008006a045c in ?? () #33 0x0000000000000043 in ?? () #34 0x0000000000000202 in ?? () #35 0x00007fffffffe6a8 in ?? () #36 0x000000000000003b in ?? () #37 0xffffffff80c96840 in affinity () #38 0x0000000000000000 in ?? () #39 0x0000000000000000 in ?? () #40 0xffffff0004b2a000 in ?? () #41 0xffffff8096c0cd90 in ?? () #42 0xffffff8096c0cd38 in ?? () #43 0xffffff000488f000 in ?? () #44 0xffffffff805f1379 in sched_switch (td=0xffffffff807d50a0, newtd=0xffffff0004ca6200, flags=Variable "flags" is not available. ) at /usr/src/sys/kern/sched_ule.c:1852 Previous frame inner to this frame (corrupt stack?) _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"