From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ronny.Hegewald@online.de Subject: Re: pvops-dom0 console freezes after latest ballooning patch (+possible fix) Date: Wed, 09 Dec 2009 21:55:29 +0100 Message-ID: <22726506.1159921260392129127.JavaMail.servlet@kundenserver> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_102835_4070129.1260392129075" Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: jeremy@goop.org Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org ------=_Part_102835_4070129.1260392129075 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit >On 12/09/09 11:22, Ronny.Hegewald@online.de wrote: >> Setup: xen 3.4.1, 32-bit linux dom0 2.6.31.6 from pvops-git tree from >> 2009-12-03 >> >> >> Since the latest ballooning patch "Add hugepage support to balloon >> driver >> >893324435e0e77b67fe8d2f0523dbe>" >> i experience dom0 console freezes. Additional to that there is a >> stacktrace about a kernel-bug in drivers/xen/balloon.c in line 346, >> invalide opcode 0000 (i can send the full stacktrace if someone is >> interested). >> > >Yes, please. Presumably its from the BUG_ON testing the hypercall >return status? > This time really with the attachment ... ------=_Part_102835_4070129.1260392129075 Content-Type: application/octet-stream; name=balloon-stacktrace.log Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=balloon-stacktrace.log ------------[ cut here ]------------ kernel BUG at drivers/xen/balloon.c:346! invalid opcode: 0000 [#1] SMP last sysfs file: /sys/devices/system/xen_memory/xen_memory0/info/current_kb Modules linked in: iptable_filter ip_tables x_tables bridge stp llc ipv6 r8169 bitrev crc32 mii thermal nfs lockd sunrpc snd_hwdep snd_pcm_oss snd_mixer_oss snd_seq_oss snd_seq_midi_event snd_seq snd_via82xx snd_ac97_codec ac97_bus snd_pcm snd_timer snd_page_alloc snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore dm_mod netbk blkbk evtchn xenfs sata_via libata sg sd_mod via82cxxx ide_gd_mod ide_core ext3 jbd ext2 af_packet loop unix Pid: 5, comm: events/0 Tainted: G W (2.6.31.6-xen-pvops #2) MS-7094 EIP: 0061:[] EFLAGS: 00010082 CPU: 0 EIP is at decrease_reservation+0x2a8/0x2b0 EAX: ffffffea EBX: f8f8e000 ECX: 00000000 EDX: 00000000 ESI: 00000000 EDI: f7049efc EBP: f7049f14 ESP: f7049ebc DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069 Process events/0 (pid: 5, ti=f7048000 task=f7033b20 task.ti=f7048000) Stack: 00000000 f8f8e000 00000000 00000000 c268af80 c1340220 00000000 00000000 <0> 00005d8e 00038f8e 00000300 00000000 00000000 00000000 00000000 00007ff0 <0> c1d38200 f7049f20 f7049f14 fffffd00 00000000 c12d03cc f7049f24 c1148c0a Call Trace: [] ? balloon_process+0xaa/0xc0 [] ? run_workqueue+0x5d/0xf0 [] ? xen_restore_fl_direct_end+0x0/0x1 [] ? _spin_unlock_irqrestore+0x17/0x20 [] ? balloon_process+0x0/0xc0 [] ? worker_thread+0x99/0xf0 [] ? autoremove_wake_function+0x0/0x50 [] ? schedule+0x21c/0x3d0 [] ? autoremove_wake_function+0x0/0x50 [] ? complete+0x46/0x60 [] ? kthread+0x7d/0x90 [] ? worker_thread+0x0/0xf0 [] ? kthread+0x0/0x90 [] ? kernel_thread_helper+0x7/0x10 Code: c4 4c 5b 5e 5f 5d c3 e8 87 ae eb ff 89 c2 81 e2 ff ff ff 7f e9 f3 fd ff ff c7 45 b4 01 00 00 00 8b 55 c4 89 55 d0 e9 f6 fd ff ff <0f> 0b eb fe 0f 0b eb fe 55 b8 b0 03 2d c1 89 e5 56 31 f6 53 e8 EIP: [] decrease_reservation+0x2a8/0x2b0 SS:ESP 0069:f7049ebc ------=_Part_102835_4070129.1260392129075 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel ------=_Part_102835_4070129.1260392129075--