From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavol Luptak Subject: SW RAID5 + high memory support freezes 2.6.3 kernel Date: Mon, 23 Feb 2004 03:41:25 +0100 Sender: linux-raid-owner@vger.kernel.org Message-ID: <20040223024124.GA1590@psilocybus> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="EVF5PPMfhYS0aIcm" Return-path: Content-Disposition: inline To: linux-kernel@vger.kernel.org Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids --EVF5PPMfhYS0aIcm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello, issue http://www.spinics.net/lists/lvm/msg10322.html could be still present in the current 2.6.3 kernel. I am able to repeat the conditions to halt the= =20 2.6.3 kernel (using mkfs.ext3 on RAID device): Feb 23 02:52:12 psilocybus kernel: Unable to handle kernel NULL pointer der= eference at virtual address 00000008 Feb 23 02:52:12 psilocybus kernel: printing eip: Feb 23 02:52:12 psilocybus kernel: f9885205 Feb 23 02:52:12 psilocybus kernel: *pde =3D 00000000 Feb 23 02:52:12 psilocybus kernel: Oops: 0000 [#1] Feb 23 02:52:12 psilocybus kernel: CPU: 0 Feb 23 02:52:12 psilocybus kernel: EIP: 0060:[] Tainted: PF= =20 Feb 23 02:52:12 psilocybus kernel: EFLAGS: 00010246 Feb 23 02:52:12 psilocybus kernel: EIP is at make_request+0x5/0x210 [raid5] Feb 23 02:52:12 psilocybus kernel: eax: f10e2f2b ebx: f6631800 ecx: f7f= e9040 edx: 00001000 Feb 23 02:52:12 psilocybus kernel: esi: 00000008 edi: c644dbc0 ebp: 025= c0e08 esp: c1b8bcd0 Feb 23 02:52:12 psilocybus kernel: ds: 007b es: 007b ss: 0068 Feb 23 02:52:12 psilocybus kernel: Process pdflush (pid: 6, threadinfo=3Dc1= b8a000 task=3Dc1b8d900) Feb 23 02:52:12 psilocybus kernel: Stack: c021aea6 f6631800 c644dbc0 e79694= f0 f9857b01 c19f94a8 00000001 ffb28000=20 Feb 23 02:52:12 psilocybus kernel: db022000 00001000 025c0e10 0000000c 0000= 0001 00000001 00000000 025c0e10=20 Feb 23 02:52:12 psilocybus kernel: f66e4000 00000000 c644dd40 c644dbc0 f985= 7c03 c644dbc0 c644dbc0 c644dd40=20 Feb 23 02:52:12 psilocybus kernel: Call Trace: Feb 23 02:52:12 psilocybus kernel: [] generic_make_request+0x106/= 0x180 Feb 23 02:52:12 psilocybus kernel: [] loop_transfer_bio+0xc1/0x12= 0 [loop] Feb 23 02:52:12 psilocybus kernel: [] loop_make_request+0xa3/0x15= 0 [loop] Feb 23 02:52:12 psilocybus kernel: [] generic_make_request+0x106/= 0x180 Feb 23 02:52:12 psilocybus kernel: [] bio_alloc+0xcb/0x1a0 Feb 23 02:52:12 psilocybus kernel: [] submit_bio+0x3d/0x70 Feb 23 02:52:12 psilocybus kernel: [] __block_write_full_page+0x1= d0/0x3d0 Feb 23 02:52:12 psilocybus kernel: [] ext3_journal_dirty_data+0x2= 3/0x60 Feb 23 02:52:12 psilocybus kernel: [] block_write_full_page+0xe4/= 0xf0 Feb 23 02:52:12 psilocybus kernel: [] blkdev_get_block+0x0/0x50 Feb 23 02:52:12 psilocybus kernel: [] blkdev_writepage+0x1f/0x30 Feb 23 02:52:12 psilocybus kernel: [] blkdev_get_block+0x0/0x50 Feb 23 02:52:12 psilocybus kernel: [] mpage_writepages+0x20e/0x300 Feb 23 02:52:12 psilocybus kernel: [] mpage_writepages+0x20e/0x300 Feb 23 02:52:12 psilocybus kernel: [] blkdev_writepage+0x0/0x30 Feb 23 02:52:12 psilocybus kernel: [] generic_writepages+0x1f/0x23 Feb 23 02:52:12 psilocybus kernel: [] do_writepages+0x1e/0x40 Feb 23 02:52:12 psilocybus kernel: [] __sync_single_inode+0xd4/0x= 230 Feb 23 02:52:12 psilocybus kernel: [] sync_sb_inodes+0x19e/0x260 Feb 23 02:52:12 psilocybus kernel: [] writeback_inodes+0x4d/0xa0 Feb 23 02:52:12 psilocybus kernel: [] background_writeout+0x7b/0x= c0 Feb 23 02:52:12 psilocybus kernel: [] __pdflush+0xd2/0x1d0 Feb 23 02:52:12 psilocybus kernel: [] pdflush+0x0/0x20 Feb 23 02:52:12 psilocybus kernel: [] pdflush+0xf/0x20 Feb 23 02:52:12 psilocybus kernel: [] background_writeout+0x0/0xc0 Feb 23 02:52:12 psilocybus kernel: [] kernel_thread_helper+0x0/0xc Feb 23 02:52:12 psilocybus kernel: [] kernel_thread_helper+0x5/0xc Feb 23 02:52:12 psilocybus kernel:=20 Feb 23 02:52:12 psilocybus kernel: Code: a7 c0 09 b6 d3 db 66 06 71 67 67 d= 7 32 47 2a 92 23 22 ee b1=20 Feb 23 02:52:12 psilocybus kernel: int3: 0000 [#2] Feb 23 02:52:12 psilocybus kernel: CPU: 0 Feb 23 02:52:12 psilocybus kernel: EIP: 0060:[] Tainted: PF= =20 Feb 23 02:52:12 psilocybus kernel: EFLAGS: 00000217 Feb 23 02:52:12 psilocybus kernel: EIP is at raid5_unplug_device+0x7/0xc0 [= raid5] Feb 23 02:52:12 psilocybus kernel: eax: f6631765 ebx: 00000212 ecx: c1b= d0a10 edx: c1bd0a00 Feb 23 02:52:12 psilocybus kernel: esi: f66318f4 edi: f66318f0 ebp: c1b= a2000 esp: c1ba3f6c Feb 23 02:52:12 psilocybus kernel: ds: 007b es: 007b ss: 0068 Feb 23 02:52:12 psilocybus kernel: Process kblock0 f25f3ee0 f5e326c0 000000= 01 00000000=20 Feb 23 02:52:12 psilocybus kernel: f7dc15c0 00d8cfe8 ffffe000 f25f2000 f989= 2378 f7dc15c0 00d8cfe8 00000001=20 Feb 23 02:52:12 psilocybus kernel: f7dc1664 00004000 00d8cf00 00000008 0000= 011d 0df83a00 f98981bc c011b25e=20 Feb 23 02:52:12 psilocybus kernel: Call Trace: Feb 23 02:52:12 psilocybus kernel: [] md_do_sync+0x228/0x780 [md] Feb 23 02:52:12 psilocybus kernel: [] recalc_task_prio+0x8e/0x1b0 Feb 23 02:52:12 psilocybus kernel: [] md_thread+0xc6/0x1a0 [md] So, RAID5 works for me only without high memory support. Pavol --=20 ___________________________________________________________________________= __ [wilder@hq.sk] [http://trip.sk/wilder/] [talker: ttt.sk 5678] [ICQ: 1334035= 56] --EVF5PPMfhYS0aIcm Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQFAOWhUhL+8XxdK5TIRAjfUAJ9bPjkvqN8D3NZl33DQnLKybxdl0wCfdqmr xCtdd3HfzicVC3lMClLH5ts= =qxeV -----END PGP SIGNATURE----- --EVF5PPMfhYS0aIcm--