From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?iso-8859-1?Q?J=F6rg?= Sommer Date: Sun, 23 Dec 2007 21:27:52 +0000 Subject: Kernel panic Message-Id: <20071223212752.GA22636@alea.gnuu.de> MIME-Version: 1 Content-Type: multipart/mixed; boundary="3V7upXqbjpZ4EhLz" List-Id: To: linux-ppp@vger.kernel.org --3V7upXqbjpZ4EhLz Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable [Please send me a copy of replies. I'm not subscribed.] Hi, [ 6421.398151] skb_under_panic: text:c01d7954 len:1504 put:2 head:cb786000 = data:cb785fff tail:cb7865df end:cb7> [ 6421.431624] ------------[ cut here ]------------ [ 6421.445405] Kernel BUG at [verbose debug info unavailable] [ 6421.461783] invalid opcode: 0000 [#1] [ 6421.472725] Modules linked in: lp [ 6421.482755] CPU: 0 [ 6421.482784] EIP: 0060:[] Not tainted VLI [ 6421.482835] EFLAGS: 00010286 (2.6.18 #1) [ 6421.517937] EIP is at skb_under_panic+0x37/0x50 [ 6421.531492] eax: 00000082 ebx: 000005e0 ecx: 00000073 edx: 00000000 [ 6421.551776] esi: cac4ee40 edi: c12e43a0 ebp: cac4ee40 esp: c11d3f40 [ 6421.572054] ds: 007b es: 007b ss: 0068 [ 6421.584312] Process ksoftirqd/0 (pid: 2, ti=3Dc11d2000 task=3Dc11cc540 t= ask.ti=3Dc11d2000) [ 6421.606902] Stack: c028dd44 c01d7954 000005e0 00000002 cb786000 cb785fff= cb7865df cb786600 [ 6421.632236] c0280ab7 00000000 c01d7960 c12e43a0 c30a0620 cac4ee40= c12e43a0 c78ad000 [ 6421.657572] c01d80e6 21000246 cac4ee40 cbedc298 cbedc200 cbedc264= c01d9e5f 00000000 [ 6421.682906] Call Trace: [ 6421.690790] [] ppp_receive_frame+0x604/0x6e0 [ 6421.706518] [] ppp_receive_frame+0x610/0x6e0 [ 6421.722216] [] ppp_input+0x86/0x100 [ 6421.735542] [] ppp_async_process+0x1f/0x70 [ 6421.750725] [] tasklet_action+0x33/0x60 [ 6421.765159] [] __do_softirq+0x50/0xa0 [ 6421.779028] [] ksoftirqd+0x0/0xc0 [ 6421.791860] [] do_softirq+0x35/0x40 [ 6421.805211] [] ksoftirqd+0x75/0xc0 [ 6421.818303] [] kthread+0xd4/0xe0 [ 6421.830883] [] kthread+0x0/0xe0 [ 6421.843198] [] kernel_thread_helper+0x5/0x10 [ 6421.858870] Code: 90 a0 00 00 00 52 8b 90 9c 00 00 00 52 8b 90 98 00 00 = 00 52 8b 90 94 00 00 00 52 53 8b 58 [ 6421.918345] EIP: [] skb_under_panic+0x37/0x50 SS:ESP 0068:c11d= 3f40 [ 6421.939512] <0>Kernel panic - not syncing: Fatal exception in interrupt % uname -a Linux alea 2.6.18 #1 Thu Dec 20 15:16:05 CET 2007 i586 GNU/Linux The panic happens when I have a heavy disk access. I can't reproduce it directly, but reading much data from disk and using pppd with a 56k modem line triggers the panic. Ask if you need more infos. Bye, J=F6rg. --=20 Der Pessimist ist jemand, der vorzeitig die Wahrheit erz=E4hlt. (Cyrano de Bergerac) --3V7upXqbjpZ4EhLz Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFHbtLYwe0mZwH1VIARAqarAJ9Cv6Y+rCRAl2RBXegIhrVqqXwY1ACggT4Q tEgc2jzY2jf+L5xAkMzH9yU= =sSEX -----END PGP SIGNATURE----- --3V7upXqbjpZ4EhLz--