Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750854Ab1BJFAM (ORCPT ); Thu, 10 Feb 2011 00:00:12 -0500 Received: from rcsinet10.oracle.com ([148.87.113.121]:62818 "EHLO rcsinet10.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750696Ab1BJFAK (ORCPT ); Thu, 10 Feb 2011 00:00:10 -0500 Date: Wed, 9 Feb 2011 20:58:42 -0800 From: Randy Dunlap To: David Miller Cc: torvalds@linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: Linux 2.6.38-rc4 (other bugs: x25) Message-Id: <20110209205842.c25aa64a.randy.dunlap@oracle.com> In-Reply-To: <20110209.140115.183045242.davem@davemloft.net> References: <20110209093656.2b23b80b.randy.dunlap@oracle.com> <20110209.140115.183045242.davem@davemloft.net> Organization: Oracle Linux Eng. X-Mailer: Sylpheed 2.7.1 (GTK+ 2.16.6; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Source-IP: acsmt354.oracle.com [141.146.40.154] X-Auth-Type: Internal IP X-CT-RefId: str=0001.0A090206.4D5370D3.0100:SCFMA4539814,ss=1,fgs=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4562 Lines: 70 On Wed, 09 Feb 2011 14:01:15 -0800 (PST) David Miller wrote: > From: Randy Dunlap > Date: Wed, 9 Feb 2011 09:36:56 -0800 > > > > > There are also bugs or other oopses etc. with ipmi, x25 (rmmod hangs system), > > and (usb gadget) g_audio, but I don't have logs for them yet... > > Someone else could do those. > > Randy if you could simply get a CPU program counter when the x25 > rmmod hang happens, I can probably fix it quickly. > > But if you don't have time I can fiddle around with it myself. > -- Hi Dave, Here's what I captured before the system hung and the beeper stayed on constantly. ;) [ 300.488956] calling x25_init+0x0/0x106 [x25] @ 2571 [ 300.494055] NET: Registered protocol family 9 [ 300.498609] X.25 for Linux Version 0.2 [ 300.503565] initcall x25_init+0x0/0x106 [x25] returned 0 after 9284 usecs [ 303.931229] general protection fault: 0000 [#1] SMP DEBUG_PAGEALLOC [ 303.934923] last sysfs file: /sys/devices/pci0000:00/0000:00:1d.1/usb6/6-1/6-1.3/devnum [ 303.934923] CPU 1 [ 303.934923] Modules linked in: x25(-) af_packet nfsd lockd nfs_acl auth_rpcgss exportfs sunrpc ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables x_tables ipv6 cpufreq_ondemand acpi_cpufreq freq_table mperf binfmt_misc dm_mirror dm_region_hash dm_log dm_multipath scsi_dh dm_mod joydev mousedev evdev mac_hid snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device usbmouse usbkbd usbhid snd_pcm hid snd_timer sr_mod tg3 pcspkr rtc_cmos dcdbas sg snd iTCO_wdt cdrom i2c_i801 rtc_core processor iTCO_vendor_support rtc_lib 8250_pnp soundcore thermal_sys intel_agp button intel_gtt snd_page_alloc hwmon unix ide_pci_generic ide_core ata_generic pata_acpi ata_piix sd_mod crc_t10dif ext3 jbd mbcache uhci_hcd ohci_hcd ssb mmc_core pcmcia pcmcia_core firmware_class ehci_hcd usbcore nls_base [last unloaded: microcode] [ 303.934923] [ 303.934923] Pid: 2573, comm: rmmod Not tainted 2.6.38-rc4 #3 0TY565/OptiPlex 745 [ 303.934923] RIP: 0010:[] [] x25_link_free+0x41/0x81 [x25] [ 303.934923] RSP: 0018:ffff880061777eb8 EFLAGS: 00010202 [ 303.934923] RAX: 6b6b6b6b6b6b6b6b RBX: ffffffffa06a03d0 RCX: 0010000000004040 [ 303.934923] RDX: 00000000001c0016 RSI: ffff88005ecc6438 RDI: 0000000000000216 [ 303.934923] RBP: ffff880061777ec8 R08: ffff88007f004c80 R09: 000000000000005a [ 303.934923] R10: ffffffff8182c266 R11: ffff880061777e18 R12: ffffffffa06a03d0 [ 303.934923] R13: 00007fff94141220 R14: 0000000000000000 R15: 0000000000000001 [ 303.934923] FS: 00007fc688ac36f0(0000) GS:ffff88007c600000(0000) knlGS:0000000000000000 [ 303.934923] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 303.934923] CR2: 00000000008faf20 CR3: 000000006873c000 CR4: 00000000000006e0 [ 303.934923] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 303.934923] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 303.934923] Process rmmod (pid: 2573, threadinfo ffff880061776000, task ffff88005cec3000) [ 303.934923] Stack: [ 303.934923] ffffffffa06a0b10 0000000000000000 ffff880061777ed8 ffffffffa069c085 [ 303.934923] ffff880061777f78 ffffffff810d3e94 ffffffffa06a0b10 0000000000000880 [ 303.934923] ffff880061777f14 ffffffff8155da0e ffff880061777f28 0000000081136a5f [ 303.934923] Call Trace: [ 303.934923] [] x25_exit+0x21/0x8c [x25] [ 303.934923] [] sys_delete_module+0x2d6/0x368 [ 303.934923] [] ? lockdep_sys_exit_thunk+0x35/0x67 [ 303.934923] [] ? audit_syscall_entry+0x172/0x1a5 [ 303.934923] [] ? trace_hardirqs_on_thunk+0x3a/0x3f [ 303.934923] [] system_call_fastpath+0x16/0x1b [ 303.934923] Code: 56 6a 00 00 e8 6e 22 ec e0 48 8b 1d ba 42 00 00 4c 8b 23 eb 2e 48 89 df 48 ff 05 4b 6a 00 00 e8 62 d1 ff ff 48 8b 43 10 4c 89 e3 <48> 8b 80 80 04 00 00 65 ff 08 49 8b 04 24 48 ff 05 22 6a 00 00 [ 303.934923] RIP [] x25_link_free+0x41/0x81 [x25] [ 303.934923] RSP HTH. --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/