From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1VRRCx-0004An-NX for user-mode-linux-devel@lists.sourceforge.net; Wed, 02 Oct 2013 18:31:35 +0000 Received: from mout.gmx.net ([212.227.17.20]) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:AES128-SHA:128) (Exim 4.76) id 1VRRCv-0006Ac-OQ for user-mode-linux-devel@lists.sourceforge.net; Wed, 02 Oct 2013 18:31:35 +0000 Received: from [78.54.54.178] ([78.54.54.178]) by mail.gmx.com (mrgmx001) with ESMTPSA (Nemesis) id 0Mdren-1VBAQt17kb-00PaHX for ; Wed, 02 Oct 2013 20:31:26 +0200 Message-ID: <524C667D.702@gmx.de> Date: Wed, 02 Oct 2013 20:31:25 +0200 From: =?UTF-8?B?VG9yYWxmIEbDtnJzdGVy?= MIME-Version: 1.0 References: <524C6643.2040209@gmx.de> In-Reply-To: <524C6643.2040209@gmx.de> Content-Type: multipart/mixed; boundary="------------090301050601080804050205" List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net Subject: [uml-devel] BUG: soft lockup for a user mode linux image To: trinity@vger.kernel.org Cc: UML devel This is a multi-part message in MIME format. --------------090301050601080804050205 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit (resend - now with attached files) Running trinity (1 process, no victim files, just "$>trinity -C1) for a longer time within a 32 bit user mode linux image with a recent git kernel (host: 3.11.3 guest 3.12-rc3-g...) yields into this konsole message : * Starting local net.core.warnings = 0 [ ok ] BUG: soft lockup - CPU#0 stuck for 23s! [trinity-child0:2031] and at the host t1 of the "linux"-processes eats all CPU cycles at 1 CPU core. 2 subsequent made back traces made with $> sudo gdb /home/tfoerste/devel/linux/linux 28144 -n -batch -ex bt shows nearly a similar position around __get_user_pages() - both are attached. I'm not surprised that trinity harms a systems - I'm just wondering whether this particular picture is expected or if it points to an issue. FWIW the last lines of trinity log were : [2031] [94] setsid() = 2031 [2031] [95] setresgid(rgid=0xffff33e3, egid=0xffffff93, sgid=0x22000040) = -1 (Operation not permitted) [2031] [96] vmsplice(fd=5, iov=0x85501e0, nr_segs=300, flags=9) = 0x3000 [2031] [97] setresuid(ruid=0x80549193, euid=0xc61041e0, suid=0xff19b6fa) = -1 (Operation not permitted) [2031] [98] setpriority(which=0xff010000, who=0xf3737373, niceval=0x8088960c) = -1 (Invalid argument) [2031] [99] socketcall(call=1, args=0x8550200) = -1 (Address family not supported by protocol) [2031] [100] access(filename="�", mode=2017) = -1 (Invalid argument) [2031] [101] getgroups(gidsetsize=0, grouplist=0x80d0000[page_rand]) = 3 [2031] [102] msync(start=0xc0100220, len=0, flags=3) = -1 (Invalid argument) [2031] [103] sigpending(set=0x40025000) = 0 [2031] [104] signalfd4(ufd=383, user_mask=1, sizemask=0xa4200000, flags=0x80800) = -1 (Invalid argument) [2031] [105] sendfile(out_fd=383, in_fd=382, offset=0, count=4096) = -1 (Invalid argument) [2031] [106] fanotify_mark(fanotify_fd=382, flags=5, mask=0x8000023, dfd=382, pathname="/proc/1092/task/1092/fdinfo/68") = -1 (Invalid argument) [2031] [107] wait4(upid=1, stat_addr=4, options=0xd761979b, ru=8) = -1 (Invalid argument) [2031] [108] sigpending(set=0x80ca000[page_zeros]) = 0 [2031] [109] setresuid(ruid=0xefffd6fc, euid=0x1bf4c92f, suid=0xffff2e33) = -1 (Operation not permitted) [2031] [110] munlock(addr=0x40025000, len=34) = 0 [2031] [111] timer_delete(timer_id=0xffffffdc) = -1 (Invalid argument) [2031] [112] sched_get_priority_max(policy=0x10000040) = -1 (Invalid argument) [2031] [113] syslog(type=0xc1000000, buf=1, len=0x82a5) = -1 (Operation not permitted) [2031] [114] setpriority(which=0xc4c806c6, who=0xffffff01, niceval=0xffff0682) = -1 (Invalid argument) [2031] [115] getgroups16(gidsetsize=0xfffe, grouplist=1) = -1 (Bad address) [2031] [116] rename(oldname=4, newname=8) = -1 (Bad address) [2031] [117] inotify_init() = 654 [2031] [118] getgid() = 100 [2031] [119] fstatat64(dfd=382, filename="/sys/devices/virtual/net/sit0/duplex", statbuf=0, flag=0xb545d727) = -1 (Invalid argument) [2031] [120] unlinkat(dfd=382, pathname="/proc/sys/net/ipv4/neigh/default/retrans_time", flag=0xc00ef76) = -1 (Invalid argument) [2031] [121] timerfd_create(clockid=0, flags=0) = 655 [2031] [122] munlock(addr=4, len=0x3fff) = -1 (Cannot allocate memory) [2031] [123] fremovexattr(fd=382, name=0) = -1 (Bad address) [2031] [124] sched_get_priority_min(policy=0xff58bfef) = -1 (Invalid argument) [2031] [125] mq_timedreceive(mqdes=397, u_msg_ptr=4, msg_len=5245, u_msg_prio=0xc0100220, u_abs_timeout=0xc0100220) = -1 (Bad address) [2031] [126] chdir(filename="/proc/116/net/ptype") = -1 (Not a directory) [2031] [127] ssetmask(newmask=0x88000092) = 0 [2031] [128] statfs(pathname="/proc/6/mounts", buf=0) = -1 (Bad address) [2031] [129] fchown16(fd=397, user=104, group=0x94100000) = -1 (Operation not permitted) [2031] [130] fchdir(fd=397) = -1 (Not a directory) [2031] [131] mkdir(pathname="/proc/1092/task/1092/fdinfo/316", mode=525) = -1 (File exists) [2031] [132] fsetxattr(fd=386, name=0x856f158, value=0x8571160, size=0, flags=0) = -1 (Numerical result out of range) [2031] [133] io_setup(nr_events=4095, ctxp=0x40266000) ^CKilled by signal 2. -- MfG/Sincerely Toralf Förster pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3 --------------090301050601080804050205 Content-Type: text/plain; charset=UTF-8; name="1" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="1" MHgwODI5NDllNCBpbiBudW1iZXIgKGJ1Zj0weDQzNGRmYjIxICIvS1xiXDIyNVwwMzZgXGJc MjQzXktcYlwyNDNeS1xiRFwzNzNNQ1wyMTBcMjQ3XHRcYiIsIGVuZD0weDQzNGRmYjIyICJL XGJcMjI1XDAzNmBcYlwyNDNeS1xiXDI0M15LXGJEXDM3M01DXDIxMFwyNDdcdFxiIiwgbnVt PTU5NzY5OTc1MjI2ODM2Mjk0Niwgc3BlYz0uLi4pIGF0IGxpYi92c3ByaW50Zi5jOjM4MQoz ODEJY2hhciAqbnVtYmVyKGNoYXIgKmJ1ZiwgY2hhciAqZW5kLCB1bnNpZ25lZCBsb25nIGxv bmcgbnVtLAojMCAgMHgwODI5NDllNCBpbiBudW1iZXIgKGJ1Zj0weDQzNGRmYjIxICIvS1xi 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Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register > http://pubads.g.doubleclick.net/gampad/clk?id=60134791&iu=/4140/ostg.clktrk --------------090301050601080804050205 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel --------------090301050601080804050205-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?VG9yYWxmIEbDtnJzdGVy?= Subject: BUG: soft lockup for a user mode linux image Date: Wed, 02 Oct 2013 20:31:25 +0200 Message-ID: <524C667D.702@gmx.de> References: <524C6643.2040209@gmx.de> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------090301050601080804050205" Return-path: In-Reply-To: <524C6643.2040209@gmx.de> Sender: trinity-owner@vger.kernel.org List-ID: To: trinity@vger.kernel.org Cc: UML devel This is a multi-part message in MIME format. --------------090301050601080804050205 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit (resend - now with attached files) Running trinity (1 process, no victim files, just "$>trinity -C1) for a longer time within a 32 bit user mode linux image with a recent git kernel (host: 3.11.3 guest 3.12-rc3-g...) yields into this konsole message : * Starting local net.core.warnings = 0 [ ok ] BUG: soft lockup - CPU#0 stuck for 23s! [trinity-child0:2031] and at the host t1 of the "linux"-processes eats all CPU cycles at 1 CPU core. 2 subsequent made back traces made with $> sudo gdb /home/tfoerste/devel/linux/linux 28144 -n -batch -ex bt shows nearly a similar position around __get_user_pages() - both are attached. I'm not surprised that trinity harms a systems - I'm just wondering whether this particular picture is expected or if it points to an issue. FWIW the last lines of trinity log were : [2031] [94] setsid() = 2031 [2031] [95] setresgid(rgid=0xffff33e3, egid=0xffffff93, sgid=0x22000040) = -1 (Operation not permitted) [2031] [96] vmsplice(fd=5, iov=0x85501e0, nr_segs=300, flags=9) = 0x3000 [2031] [97] setresuid(ruid=0x80549193, euid=0xc61041e0, suid=0xff19b6fa) = -1 (Operation not permitted) [2031] [98] setpriority(which=0xff010000, who=0xf3737373, niceval=0x8088960c) = -1 (Invalid argument) [2031] [99] socketcall(call=1, args=0x8550200) = -1 (Address family not supported by protocol) [2031] [100] access(filename="�", mode=2017) = -1 (Invalid argument) [2031] [101] getgroups(gidsetsize=0, grouplist=0x80d0000[page_rand]) = 3 [2031] [102] msync(start=0xc0100220, len=0, flags=3) = -1 (Invalid argument) [2031] [103] sigpending(set=0x40025000) = 0 [2031] [104] signalfd4(ufd=383, user_mask=1, sizemask=0xa4200000, flags=0x80800) = -1 (Invalid argument) [2031] [105] sendfile(out_fd=383, in_fd=382, offset=0, count=4096) = -1 (Invalid argument) [2031] [106] fanotify_mark(fanotify_fd=382, flags=5, mask=0x8000023, dfd=382, pathname="/proc/1092/task/1092/fdinfo/68") = -1 (Invalid argument) [2031] [107] wait4(upid=1, stat_addr=4, options=0xd761979b, ru=8) = -1 (Invalid argument) [2031] [108] sigpending(set=0x80ca000[page_zeros]) = 0 [2031] [109] setresuid(ruid=0xefffd6fc, euid=0x1bf4c92f, suid=0xffff2e33) = -1 (Operation not permitted) [2031] [110] munlock(addr=0x40025000, len=34) = 0 [2031] [111] timer_delete(timer_id=0xffffffdc) = -1 (Invalid argument) [2031] [112] sched_get_priority_max(policy=0x10000040) = -1 (Invalid argument) [2031] [113] syslog(type=0xc1000000, buf=1, len=0x82a5) = -1 (Operation not permitted) [2031] [114] setpriority(which=0xc4c806c6, who=0xffffff01, niceval=0xffff0682) = -1 (Invalid argument) [2031] [115] getgroups16(gidsetsize=0xfffe, grouplist=1) = -1 (Bad address) [2031] [116] rename(oldname=4, newname=8) = -1 (Bad address) [2031] [117] inotify_init() = 654 [2031] [118] getgid() = 100 [2031] [119] fstatat64(dfd=382, filename="/sys/devices/virtual/net/sit0/duplex", statbuf=0, flag=0xb545d727) = -1 (Invalid argument) [2031] [120] unlinkat(dfd=382, pathname="/proc/sys/net/ipv4/neigh/default/retrans_time", flag=0xc00ef76) = -1 (Invalid argument) [2031] [121] timerfd_create(clockid=0, flags=0) = 655 [2031] [122] munlock(addr=4, len=0x3fff) = -1 (Cannot allocate memory) [2031] [123] fremovexattr(fd=382, name=0) = -1 (Bad address) [2031] [124] sched_get_priority_min(policy=0xff58bfef) = -1 (Invalid argument) [2031] [125] mq_timedreceive(mqdes=397, u_msg_ptr=4, msg_len=5245, u_msg_prio=0xc0100220, u_abs_timeout=0xc0100220) = -1 (Bad address) [2031] [126] chdir(filename="/proc/116/net/ptype") = -1 (Not a directory) [2031] [127] ssetmask(newmask=0x88000092) = 0 [2031] [128] statfs(pathname="/proc/6/mounts", buf=0) = -1 (Bad address) [2031] [129] fchown16(fd=397, user=104, group=0x94100000) = -1 (Operation not permitted) [2031] [130] fchdir(fd=397) = -1 (Not a directory) [2031] [131] mkdir(pathname="/proc/1092/task/1092/fdinfo/316", mode=525) = -1 (File exists) [2031] [132] fsetxattr(fd=386, name=0x856f158, value=0x8571160, size=0, flags=0) = -1 (Numerical result out of range) [2031] [133] io_setup(nr_events=4095, ctxp=0x40266000) ^CKilled by signal 2. -- MfG/Sincerely Toralf Förster pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3 --------------090301050601080804050205 Content-Type: text/plain; charset=UTF-8; name="1" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="1" MHgwODI5NDllNCBpbiBudW1iZXIgKGJ1Zj0weDQzNGRmYjIxICIvS1xiXDIyNVwwMzZgXGJc MjQzXktcYlwyNDNeS1xiRFwzNzNNQ1wyMTBcMjQ3XHRcYiIsIGVuZD0weDQzNGRmYjIyICJL XGJcMjI1XDAzNmBcYlwyNDNeS1xiXDI0M15LXGJEXDM3M01DXDIxMFwyNDdcdFxiIiwgbnVt PTU5NzY5OTc1MjI2ODM2Mjk0Niwgc3BlYz0uLi4pIGF0IGxpYi92c3ByaW50Zi5jOjM4MQoz ODEJY2hhciAqbnVtYmVyKGNoYXIgKmJ1ZiwgY2hhciAqZW5kLCB1bnNpZ25lZCBsb25nIGxv bmcgbnVtLAojMCAgMHgwODI5NDllNCBpbiBudW1iZXIgKGJ1Zj0weDQzNGRmYjIxICIvS1xi 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