Messages in this thread |  | | | Date | Mon, 16 Nov 1998 16:59:11 +0100 | | From | Romano Giannetti <> | | Subject | Re: 2.1.127 reboots... |
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On Sun, Nov 15, 1998 at 09:10:32AM +0100, storner@image.dk wrote: > In <199811150527.AAA04354@alcove.wittsend.com> "Michael H. Warfield" <mhw@wittsend.com> writes: > > [strange slowdowns on 2.1.12[78] compiled without SMP] > > > His report may be useless, but we've got a BUNCH of people on 4 > >or 5 different threads all chiming in with basically the same problem. > [cut] > > Any thoughts on any way we can isolate this animal better? > > Any of you have "Magic SysRq key" enabled ? This could be used to figure > out what the kernel is doing. >
In schedule():
% grep EIP /var/log/messages Nov 11 12:27:09 pern kernel: EIP: 0010:[<c010fe83>] EFLAGS: 00000246 Nov 11 12:27:11 pern kernel: EIP: 0010:[<c010fe4e>] EFLAGS: 00000206 Nov 11 12:27:15 pern kernel: EIP: 0010:[<c010fe4e>] EFLAGS: 00000206 Nov 11 12:27:17 pern kernel: EIP: 0010:[<c010feab>] EFLAGS: 00000246 Nov 11 12:27:19 pern kernel: EIP: 0010:[<c010fe4e>] EFLAGS: 00000206 Nov 11 12:27:47 pern kernel: EIP: 0010:[<c010fe83>] EFLAGS: 00000246 Nov 11 12:27:49 pern kernel: EIP: 0010:[<c010fe38>] EFLAGS: 00000246 Nov 11 12:27:49 pern kernel: EIP: 0010:[<c010fe4e>] EFLAGS: 00000206 Nov 11 12:27:50 pern kernel: EIP: 0010:[<c010fdb1>] EFLAGS: 00000246 Nov 11 12:27:51 pern kernel: EIP: 0010:[<c010fe4e>] EFLAGS: 00000206 Nov 11 12:27:52 pern kernel: EIP: 0010:[<c010fe4e>] EFLAGS: 00000206 Nov 11 12:27:52 pern kernel: EIP: 0010:[<c010febb>] EFLAGS: 00000206 Nov 11 12:27:52 pern kernel: EIP: 0010:[<c010fe4e>] EFLAGS: 00000206 % grep c010f /boot/System.map c010f17c T sys_kill c010f1d8 T sys_rt_sigqueueinfo c010f2b0 T do_sigaction c010f3e4 T do_sigaltstack c010f564 T sys_sigprocmask c010f6d4 T sys_sigpending c010f740 T sys_rt_sigaction c010f814 T sys_sgetmask c010f824 T sys_ssetmask c010f884 T sys_signal c010f8b8 t recalc_sigpending c010f8ec T scheduling_functions_start_here c010f8f4 T wake_up_process c010f958 t process_timeout c010f968 T add_timer c010fad0 T mod_timer c010fc50 T del_timer c010fc8c T schedule_timeout c010fd38 T schedule c010ff44 T __wake_up c010ff80 T __up c010ffa0 T __down
Linux pern.dea.icai.upco.es 2.1.127 #3 Wed Nov 11 10:03:12 CET 1998 i686 unknown
(Happened one time, cannot reproduce it, working now with a nice fork-bomb-like prog keeping load at 5, 30 childs doing mild computacion and usleep(5000) in them).
-- Romano Giannetti, Professor - Univ. Pontificia Comillas (Madrid, Spain) Electronic Engineer - phone +34 915 422 800 ext 2410 fax +34 915 596 569
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