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Message-ID: <20141217192424.GB22839@redhat.com> Date: Wed, 17 Dec 2014 14:24:24 -0500 From: Dave Jones <davej@...hat.com> To: Linus Torvalds <torvalds@...ux-foundation.org>, Chris Mason <clm@...com>, Mike Galbraith <umgwanakikbuti@...il.com>, Ingo Molnar <mingo@...nel.org>, Peter Zijlstra <peterz@...radead.org>, Dâniel Fraga <fragabr@...il.com>, Sasha Levin <sasha.levin@...cle.com>, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Suresh Siddha <sbsiddha@...il.com>, Oleg Nesterov <oleg@...hat.com>, Peter Anvin <hpa@...ux.intel.com> Subject: Re: frequent lockups in 3.18rc4 On Wed, Dec 17, 2014 at 01:57:55PM -0500, Dave Jones wrote: > On Wed, Dec 17, 2014 at 01:22:41PM -0500, Dave Jones wrote: > > > I'm going to try your two patches on top of .18, with the same kernel > > config, and see where that takes us. > > Hopefully to happier places. > > Not so much. Died very quickly. > > [ 270.822490] BUG: unable to handle kernel paging request at 000000000249db90 > [ 270.822573] IP: [<000000336ef04084>] 0x336ef04084 > [ 270.822602] PGD 20e5ee067 PUD 20e5ef067 PMD 23126d067 PTE 94ec80 > [ 270.822633] Oops: 0006 [#1] SMP > [ 270.822652] Modules linked in: hidp llc2 af_key fuse bnep can_raw scsi_transport_iscsi nfnetlink can_bcm rfcomm nfc caif_socket caif af_802154 ieee802154 phonet af_rxrpc bluetooth can pppoe pppox ppp_generic slhc irda crc_ccitt rds rose sctp libcrc32c x25 atm netrom appletalk ipx p8023 psnap p8022 llc ax25 cfg80211 rfkill snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm coretemp hwmon x86_pkg_temp_thermal kvm_intel snd_timer kvm snd crct10dif_pclmul crc32c_intel ghash_clmulni_intel microcode pcspkr serio_raw usb_debug shpchp e1000e soundcore ptp pps_core nfsd auth_rpcgss oid_registry nfs_acl lockd grace sunrpc > [ 270.822979] CPU: 3 PID: 9856 Comm: trinity-c93 Not tainted 3.18.0+ #105 > [ 270.823042] task: ffff8801a45416d0 ti: ffff88020e72c000 task.ti: ffff88020e72c000 > [ 270.823067] RIP: 0033:[<000000336ef04084>] [<000000336ef04084>] 0x336ef04084 > [ 270.823096] RSP: 002b:00007fff9c3304c0 EFLAGS: 00010202 > [ 270.823117] RAX: 000000336f1b68c0 RBX: 000000000249db90 RCX: 0000000000000000 > [ 270.823142] RDX: fffffffffffffffe RSI: 00000000fbad8000 RDI: 00007fff9c3304c0 > [ 270.823168] RBP: 000000000249db90 R08: 0000000000000000 R09: 0000000000002680 > [ 270.823192] R10: 000000000000001f R11: 0000000000000246 R12: ffffffffffffffff > [ 270.823217] R13: 000000000041edb9 R14: 00007fff9c3305f8 R15: 0000000000000001 > [ 270.823241] FS: 00007f5fd4acf740(0000) GS:ffff880245400000(0000) knlGS:0000000000000000 > [ 270.823268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 270.823288] CR2: 00007f5fd2640113 CR3: 000000020e5ed000 CR4: 00000000001407e0 > [ 270.823312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 270.823336] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > [ 270.823360] > [ 270.823370] RIP [<000000336ef04084>] 0x336ef04084 > [ 270.823392] RSP <00007fff9c3304c0> > [ 270.824407] CR2: 000000000249db90 > [ 270.825443] ---[ end trace d6eb8dccb8df6213 ]--- > [ 270.826448] Kernel panic - not syncing: Fatal exception different flavour of the same thing [ 298.759018] BUG: unable to handle kernel paging request at 00000000016edc30 [ 298.759108] IP: [<0000000000412c20>] 0x412c20 [ 298.759130] PGD 2315d1067 PUD 2315d2067 PMD 2315d7067 PTE 3c2a880 [ 298.759159] Oops: 0004 [#1] SMP [ 298.759177] Modules linked in: rfcomm hidp bnep llc2 af_key scsi_transport_iscsi nfnetlink can_raw can_bcm nfc caif_socket caif af_802154 ieee802154 phonet af_rxrpc bluetooth can pppoe pppox ppp_generic slhc irda crc_ccitt rds rose sctp libcrc32c x25 atm netrom appletalk ipx p8023 psnap p8022 llc ax25 cfg80211 rfkill coretemp hwmon x86_pkg_temp_thermal kvm_intel kvm crct10dif_pclmul crc32c_intel ghash_clmulni_intel snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic microcode serio_raw pcspkr snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_seq snd_seq_device usb_debug snd_pcm e1000e ptp snd_timer shpchp snd pps_core soundcore nfsd auth_rpcgss oid_registry nfs_acl lockd grace sunrpc [ 298.759487] CPU: 3 PID: 4568 Comm: trinity-c193 Not tainted 3.18.0+ #105 [ 298.759550] task: ffff88018c534470 ti: ffff8801deafc000 task.ti: ffff8801deafc000 [ 298.759575] RIP: 0033:[<0000000000412c20>] [<0000000000412c20>] 0x412c20 [ 298.759601] RSP: 002b:00007fff8b5d80c0 EFLAGS: 00010202 [ 298.759621] RAX: 00000000016edc20 RBX: 00000000017769f0 RCX: 00000000016edc20 [ 298.759645] RDX: 0000000000000003 RSI: 0000000000000003 RDI: 000000336f1b76e0 [ 298.759668] RBP: 00000000016edc20 R08: 000000336f1b70fc R09: 000000336f1b7140 [ 298.759692] R10: 000000000000001f R11: 0000000000000246 R12: 0000000001776ef0 [ 298.759716] R13: 00000000017769f0 R14: 0000000000000000 R15: 0000000000000000 [ 298.759740] FS: 00007fbc02017740(0000) GS:ffff880245400000(0000) knlGS:0000000000000000 [ 298.759766] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 298.760773] CR2: 0000000000000004 CR3: 00000002315d0000 CR4: 00000000001407e0 [ 298.761788] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 298.762802] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 [ 298.763812] [ 298.764808] RIP [<0000000000412c20>] 0x412c20 [ 298.765806] RSP <00007fff8b5d80c0> [ 298.766772] CR2: 00000000016edc30 [ 298.767725] ---[ end trace eaa888b859a91308 ]--- [ 298.768672] Kernel panic - not syncing: Fatal exception This seems to be easily reproducable at least.. Dave -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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