From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17645 invoked by alias); 6 Oct 2017 20:45:52 -0000 Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org Received: (qmail 17568 invoked by uid 48); 6 Oct 2017 20:45:47 -0000 From: "dsmith at redhat dot com" To: systemtap@sourceware.org Subject: [Bug runtime/22265] on rawhide, we're getting a kernel panic Date: Fri, 06 Oct 2017 20:45:00 -0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: systemtap X-Bugzilla-Component: runtime X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: dsmith at redhat dot com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: systemtap at sourceware dot org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2017-q4/txt/msg00016.txt.bz2 https://sourceware.org/bugzilla/show_bug.cgi?id=3D22265 --- Comment #1 from David Smith --- I tried to simplify this a bit, so here's an update. First, I reconfigured without dyninst, to get rid of all those dyninst segfaults. I also turned o= ff systemd-coredump. With those changes, I got the following console output: =3D=3D=3D=3D [ 2059.437921] stap_39a623e80f942e3f1ad318c0a09bc408_8846: loading out-of-t= ree module taints kernel.=20 [ 2059.451140] stap_39a623e80f942e3f1ad318c0a09bc408_8846: module verificat= ion failed: signature and/or required key missing - tainting kernel=20 [ 3040.947653] stap_96032c2366fb4c972bf2a4c92e8671d5_7864: `z29' invalid for parameter `var1'=20 [ 3041.218072] stap_96032c2366fb4c972bf2a4c92e8671d5_7875: unknown parameter 'var2' ignored=20 [ 5490.898599] Systemtap Error at _stp_mempool_init:50=20=20 [ 5490.898601] Memory allocation failed.=20 [ 5490.911076] Systemtap Error at _stp_register_ctl_channel:738=20=20 [ 5490.911077] Error creating systemtap control channel.=20 [ 5834.338830] stap_f8b3c6b1576e3ecc57deda9d89da28dd_6016: unknown parameter 'pt' ignored=20 [ 7471.401936] hrtimer: interrupt took 1278 ns=20 [ 7784.646918] Scheduler tracepoints stat_sleep, stat_iowait, stat_blocked = and stat_runtime require the kernel parameter schedstats=3Denable or kernel.sched_schedstats=3D1=20 [ 8740.442413] nr_pdflush_threads exported in /proc is scheduled for remova= l=20 [18595.783147] traps: beah-rhts-task[855] trap invalid opcode ip:7f0608c1d0= 80 sp:7ffc6fde41c8 error:0 in libc-2.26.90.so[7f0608b9b000+1ae000]=20 [18595.790367] auditd[522]: segfault at 1 ip 00007fa2242a2260 sp 00007ffe50a84138 error 6 in libc-2.26.90.so[7fa2241a0000+1ae000]=20 [18595.791510] systemd-journal[442]: segfault at 7fd25fec4268 ip 00007fd25fec4262 sp 00007fff403e1068 error 7 in libc-2.26.90.so[7fd25fdc2000+1ae000]=20 [18595.799273] systemd[1]: segfault at 2 ip 00007effb34fc260 sp 00007ffdbc92d1b8 error 6 in libc-2.26.90.so[7effb33fa000+1ae000]=20 [18595.801984] systemd[1]: segfault at 1 ip 00007effb34fc200 sp 00007ffdbc92c988 error 6 in libc-2.26.90.so[7effb33fa000+1ae000]=20 [18595.803362] systemd[1]: segfault at 1 ip 00007effb34fc200 sp 00007ffdbc92c188 error 6 in libc-2.26.90.so[7effb33fa000+1ae000]=20 [18595.808521] systemd[1]: segfault at 1 ip 00007effb34fc200 sp 00007ffdbc92b988 error 6 in libc-2.26.90.so[7effb33fa000+1ae000]=20 [18595.809739] systemd[19961]: segfault at 4df9 ip 00007effb342e800 sp 00007ffdbc92ca88 error 6 in libc-2.26.90.so[7effb33fa000+1ae000]=20 [18595.813196] audit: type=3D1701 audit(1507318677.561:235): auid=3D4294967= 295 uid=3D0 gid=3D0 ses=3D4294967295 subj=3Dsystem_u:system_r:init_t:s0 pid=3D1= 9961 comm=3D"systemd" exe=3D"/usr/lib/systemd/systemd" sig=3D11 res=3D1=20 [18595.814920] systemd[19962]: segfault at 4dfa ip 00007effb342e800 sp 00007ffdbc92c288 error 6 in libc-2.26.90.so[7effb33fa000+1ae000]=20 [18600.785023] show_signal_msg: 10925 callbacks suppressed=20 [18600.785600] systemd[27233]: segfault at 6a61 ip 00007effb342e800 sp 00007ffdbc213288 error 6=20 [18600.785665] systemd[27234]: segfault at 6a62 ip 00007effb342e800 sp 00007ffdbc212a88 error 6=20 [18600.786582] systemd[27235]: segfault at 6a63 ip 00007effb342e800 sp 00007ffdbc212288 error 6=20 [18600.787565] systemd[27237]: segfault at 6a65 ip 00007effb342e800 sp 00007ffdbc211288 error 6=20 [18600.790231] systemd[27236]: segfault at 6a64 ip 00007effb342e800 sp 00007ffdbc211a88 error 6=20 [18600.791735] systemd[27238]: segfault at 6a66 ip 00007effb342e800 sp 00007ffdbc210a88 error 6=20 [18600.792609] in libc-2.26.90.so[7effb33fa000+1ae000]=20 [18600.794108] systemd[1]: segfault at 1 ip 00007effb34fc200 sp 00007ffdbc210188 error 6 in libc-2.26.90.so[7effb33fa000+1ae000]=20 [18600.795487] in libc-2.26.90.so[7effb33fa000+1ae000]=20 [18600.797543] in libc-2.26.90.so[7effb33fa000+1ae000]=20 [18600.798533] in libc-2.26.90.so[7effb33fa000+1ae000]=20 [18600.800502] in libc-2.26.90.so[7effb33fa000+1ae000]=20 [18600.801140] in libc-2.26.90.so[7effb33fa000+1ae000]=20 [18600.801780] systemd[27239]: segfault at 6a67 ip 00007effb342e800 sp 00007ffdbc210288 error 6 in libc-2.26.90.so[7effb33fa000+1ae000]=20 [18600.803228] audit: type=3D1701 audit(1507318682.552:3880): auid=3D429496= 7295 uid=3D0 gid=3D0 ses=3D4294967295 subj=3Dsystem_u:system_r:init_t:s0 pid=3D2= 7234 comm=3D"systemd" exe=3D"/usr/lib/systemd/systemd" sig=3D11 res=3D1=20 [18600.805702] audit: type=3D1701 audit(1507318682.554:3881): auid=3D429496= 7295 uid=3D0 gid=3D0 ses=3D4294967295 subj=3Dsystem_u:system_r:init_t:s0 pid=3D2= 7233 comm=3D"systemd" exe=3D"/usr/lib/systemd/systemd" sig=3D11 res=3D1=20 [18601.261136] Kernel panic - not syncing: Attempted to kill init! exitcode=3D0x0000008b=20 [18601.261136]=20=20 [18601.262065] CPU: 0 PID: 1 Comm: systemd Tainted: G OE=20=20 4.14.0-0.rc3.git0.1.fc28.x86_64 #1=20 [18601.262954] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011=20 [18601.263517] Call Trace:=20 [18601.263795] dump_stack+0x63/0x8b=20 [18601.264146] panic+0xe4/0x237=20 [18601.264447] do_exit+0xbb9/0xbc0=20 [18601.264766] do_group_exit+0x47/0xb0=20 [18601.265128] get_signal+0x27b/0x590=20 [18601.265506] do_signal+0x37/0x680=20 [18601.265845] ? __probe_kernel_read+0x5a/0x90=20 [18601.266273] exit_to_usermode_loop+0x6e/0xb0=20 [18601.266694] prepare_exit_to_usermode+0x74/0x80=20 [18601.267146] retint_user+0x8/0x10=20 [18601.267476] RIP: 0033:0x7effb34fc200=20 [18601.267830] RSP: 002b:00007ffdbc12e188 EFLAGS: 00010206=20 [18601.268343] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000004=20 [18601.269038] RDX: 00007ffdbc12e2a0 RSI: 0000000000006df5 RDI: 0000000000000001=20 [18601.270369] RBP: 0000000000006df5 R08: 0000000000000000 R09: 0000000000000000=20 [18601.271048] R10: 0000000000000004 R11: 0000000000000246 R12: 00007ffdbc12e2a0=20 [18601.271740] R13: 0000000000000004 R14: 00007ffdbc12e2a0 R15: 0000000000000000=20 [18601.273159] Kernel Offset: 0x8000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)=20 [18601.274204] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=3D0x0000008b=20 =3D=3D=3D=3D I was doing a "tail -f" on systemtap.log, and the last test I saw being run= was=20 testsuite/semok/twenty.stp. Now, that test does a lot of wildcarding. Afte= r a reboot, I ran that test by hand, then did a free: =3D=3D=3D=3D # free -h total used free shared buff/cache avail= able Mem: 3.9G 31M 3.8G 0B 60M = 3.7G Swap: 3.0G 156M 2.8G =3D=3D=3D=3D So, that test doesn't appear to be using a ton of memory. --=20 You are receiving this mail because: You are the assignee for the bug.