From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sipsolutions.net (xc.sipsolutions.net [83.246.72.84]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id AE485DE015 for ; Wed, 24 Sep 2008 03:02:15 +1000 (EST) Subject: Re: G5 with tg3 ethernet stops when rsyncing large amounts of data From: Johannes Berg To: Linux Kernel list In-Reply-To: <1222182276.18015.26.camel@johannes.berg> References: <1222181098.18015.23.camel@johannes.berg> <1222182276.18015.26.camel@johannes.berg> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-w6/YpoG/SzIeInnkdN/Z" Date: Tue, 23 Sep 2008 19:01:19 +0200 Message-Id: <1222189279.18015.31.camel@johannes.berg> Mime-Version: 1.0 Cc: netdev , linuxppc-dev list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --=-w6/YpoG/SzIeInnkdN/Z Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Tue, 2008-09-23 at 17:05 +0200, Johannes Berg wrote: > On Tue, 2008-09-23 at 16:45 +0200, Johannes Berg wrote: > > I've been trying to push a few GB of data from my powerbook to my quad > > G5 with rsync, but after transferring for a bit the machine stops > > entirely. It doesn't even reply to ping, so this must be happening in a= n > > interrupt. > > The only information I have so far is a picture I took of the console > > when this happened again: > > http://johannes.sipsolutions.net/files/dsc_2275.jpg > This time I got the trace below (system didn't hang)... >=20 > I'd think faulty memory if it weren't for the fact that I never see > problems when I do random things that don't involve networking. It seems turning off ftrace and irqtrace helps, at least I haven't been able to reproduce the problem any more and have transferred more data than ever before... johannes > [ 493.257620] ------------[ cut here ]------------ > [ 493.270431] kernel BUG at kernel/seccomp.c:50! > [ 493.283978] Oops: Exception in kernel mode, sig: 5 [#1] > [ 493.283984] PREEMPT SMP NR_CPUS=3D4 PowerMac > [ 493.283997] Modules linked in: binfmt_misc ipv6 dm_crypt dm_snapshot d= m_mirror dm_log dm_mod fuse snd_aoa_codec_onyx snd_aoa_fabric_layout snd_ao= a snd_aoa_i2sbus snd_aoa_soundbus snd_pcm_oss snd_mixer_oss firewire_ohci f= irewire_core snd_pcm crc_itu_t snd_page_alloc snd_timer snd rfkill ohci1394= mac80211 ehci_hcd ohci_hcd soundcore ieee1394 usbcore cfg80211 > [ 493.284091] NIP: c0000000000bf98c LR: c0000000000bf93c CTR: 0000000000= 000000 > [ 493.284099] REGS: c0000001b0353a90 TRAP: 0700 Not tainted (2.6.27-r= c6-wl-01382-g0bea1f7-dirty) > [ 493.284104] MSR: 9000000000029032 CR: 24224828 XER: 00= 000000 > [ 493.284122] TASK =3D c0000001b0256d00[4894] 'rsync' THREAD: c0000001b0= 350000 CPU: 1 > [ 493.284129] GPR00: 0000000000000000 c0000001b0353d10 c0000000008b23e0 = 0000000000000001=20 > [ 493.284140] GPR04: 0000000000000000 c0000001b0256d00 c0000002006e9a30 = c0000001b0256d00=20 > [ 493.284151] GPR08: c0000001b0350000 c0000001b0256d00 0000000001b90000 = c0000000007e3ad8=20 > [ 493.284162] GPR12: 0000000024224824 c000000000943580 0000000010074390 = 0000000000000004=20 > [ 493.284173] GPR16: 00000000ff8753f8 0000000010080c18 0000000010073d5c = 00000000ff875050=20 > [ 493.284184] GPR20: 0000000000000000 00000000ff875048 0000000010073d5c = 0000000000000020=20 > [ 493.284195] GPR24: 00000001f7fe3238 0000000010080c18 0000000000000005 = 00000000ff875050=20 > [ 493.284205] GPR28: 0000000000000005 000000000000008e c000000000847ab8 = c0000001b0353d10=20 > [ 493.284227] NIP [c0000000000bf98c] .__secure_computing+0x78/0xa8 > [ 493.284233] LR [c0000000000bf93c] .__secure_computing+0x28/0xa8 > [ 493.284238] Call Trace: > [ 493.284245] [c0000001b0353d10] [c0000000000bf93c] .__secure_computing+= 0x28/0xa8 (unreliable) > [ 493.284257] [c0000001b0353da0] [c000000000008b7c] .do_syscall_trace_en= ter+0x40/0x12c > [ 493.284266] [c0000001b0353e30] [c000000000007794] syscall_dotrace+0xc/= 0x38 > [ 493.284272] Instruction dump: > [ 493.284280] 7809e7e3 4182000c 7d695b78 48000008 392b0014 80090000 7f80= e800 419e0028=20 > [ 493.284298] 84090004 2f800000 409effec 4800000c <0fe00000> 48000000 38= 600009 4bf9f409=20 > [ 493.285036] BUG: using smp_processor_id() in preemptible [00000000] co= de: rsync/4894 > [ 493.285049] caller is .die+0x198/0x1e4 > [ 493.285053] Call Trace: > [ 493.285061] [c0000001b0353500] [c0000000000108ec] .show_stack+0x84/0x1= 90 (unreliable) > [ 493.285074] [c0000001b03535b0] [c000000000463c60] .dump_stack+0x28/0x3= c > [ 493.285085] [c0000001b0353630] [c0000000002ac658] .debug_smp_processor= _id+0xe8/0x124 > [ 493.285094] [c0000001b03536d0] [c000000000023bc8] .die+0x198/0x1e4 > [ 493.285103] [c0000001b0353780] [c000000000023f5c] ._exception+0x98/0x1= fc > [ 493.285112] [c0000001b0353940] [c000000000024808] .program_check_excep= tion+0x610/0x65c > [ 493.285122] [c0000001b0353a20] [c000000000004a84] program_check_common= +0x104/0x180 > [ 493.285135] --- Exception: 700 at .__secure_computing+0x78/0xa8 > [ 493.285138] LR =3D .__secure_computing+0x28/0xa8 > [ 493.285146] [c0000001b0353da0] [c000000000008b7c] .do_syscall_trace_en= ter+0x40/0x12c > [ 493.285155] [c0000001b0353e30] [c000000000007794] syscall_dotrace+0xc/= 0x38 > [ 493.285165] ---[ end trace 488bc840169e13ad ]--- --=-w6/YpoG/SzIeInnkdN/Z Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Comment: Johannes Berg (powerbook) iQIcBAABAgAGBQJI2SDaAAoJEKVg1VMiehFYpAIP+gLj+HfaQpAVohSvOt4tOLGf AV+4aUtfaMn1sY77vphlr+W43oyTQC/qeerKehGh0B0dwC5osqoqK1Z5qLrDNPqJ PBZbkXEqpi8uXvBLzQiONKzqCprBGs+y/Q6FHQiBi7e3kNO2UTcXoXT9AVhsbg6S knUsIoEmyRKRJhlS18JAqBwdoQx8lBhKegK/ux1PgZMByW/BUiCV/GMMTXXJUJXW fmshYXFQ3+1QEmHTReLtDPsuSft9xhRkCJJh4ZJJqEZXjIyqd03SHS170kOrnUl5 IpfST/xnSfPY/4deViC0aRjvB2Q45/Z7OyRnVFPVTqnpN69uj8kBVQW0dhmVEiAW bpFNio2UmknRkMVVPaikDes5eBoDq4hUnuvXjqS2e6JSEu9Tw+MNI4U9pYnP/+cr iiCoWJNGLhwtHRYACYrTPxNA0rr4QKoP/eFkVkdWu2tj5K7mBGgdPNvbwT3B5q+Y SCJvEmx+mNQwGZAv2vxO4jVml+8Ww/Ui7w3UihEUmBwCtc7E0AKdW4Qvdmt+1zOs FY7SYTLuCEzfWNuiHADElXlg51k/gqFfZnEcSp9C76QfnxMDBXN95SdxBJ/YBy+x COxaGhBf2rCDqbFqljcHSyIBRZgXcSpOAPJZGbyLpwVLKDzoRFezA5b9gncs4AoC slzpQGoak3OCKpDSQ7K7 =1xjt -----END PGP SIGNATURE----- --=-w6/YpoG/SzIeInnkdN/Z--