On 19/02/07, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
On Sunday, 18 February 2007 20:43, Andrew Morton wrote: > On Sun, 18 Feb 2007 13:44:54 +0100 "Rafael J. Wysocki" <rjw@xxxxxxx> wrote: > > > On Sunday, 18 February 2007 06:51, Andrew Morton wrote: > > > > > > Temporarily at > > > > > > http://userweb.kernel.org/~akpm/2.6.20-mm2/ > > > > > > Will appear later at > > > > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.20/2.6.20-mm2/ > > > > Two problems: > > > > 1) A showstopper with the root partition on RAID1: > > > > md: raid1 personality registered for level 1 > > [--snip--] > > md: multipath personality registered for level -4 > > register_blkdev: failed to get major for mdp > > [--snip--] > > VFS: Cannot open root device "md1" or unknown-block(0,0) > > Someone else reported that against mainline. Can you please debug it a bit? Sure, tomorrow I will. > I'd suggested reverting the recent changes in there: > > --- a/block/genhd.c~a > +++ a/block/genhd.c > @@ -61,14 +61,6 @@ int register_blkdev(unsigned int major, > /* temporary */ > if (major == 0) { > for (index = ARRAY_SIZE(major_names)-1; index > 0; index--) { > - /* > - * Disallow the LANANA-assigned LOCAL/EXPERIMENTAL > - * majors > - */ > - if ((60 <= index && index <= 63) || > - (120 <= index && index <= 127) || > - (240 <= index && index <= 254)) > - continue; > if (major_names[index] == NULL) > break; > } > _ > > but I don't see how they could cause this. > > > > At the moment I have no serial console attached to the box, so I had to rewrite > > the messages manually. > > netconsole is good. I know. :-) In the meantime, I've got something worse on another x86_64 box: Asus Laptop ACPI Extras version 0.30 L5D model detected, supported audit(1171831698.918:2): audit_pid=4281 old=0 by auid=4294967295 general protection fault: 0000 [2] PREEMPT last sysfs file: /class/net/eth2/carrier CPU 0 Modules linked in: af_packet ipv6 snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device asus_acpi backlight button battery ac dm_mod pcmr Pid: 178, comm: pdflush Not tainted 2.6.20-mm2 #1 RIP: 0010:[<ffffffff8034bce4>] [<ffffffff8034bce4>] __make_request+0x134/0x370 RSP: 0000:ffff81005ed659a0 EFLAGS: 00010297 RAX: 00000000ffffffff RBX: 6b6b6b6b6b6b6b6b RCX: 000000000203396a RDX: 0000000100000000 RSI: ffff810037b4dbb0 RDI: ffff81004683d8c0 RBP: ffff81005ed659f0 R08: ffff81004683d070 R09: ffff81003d333cc0 R10: 0000000000000000 R11: 0000000000000000 R12: ffff810037b4dbb0 R13: ffff81005daba3f0 R14: ffff810037daca90 R15: ffff81005daba3d0 FS: 00002ad4a29e6d00(0000) GS:ffffffff805db000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 00002b6a345aa000 CR3: 0000000056585000 CR4: 00000000000006e0 Process pdflush (pid: 178, threadinfo ffff81005ed64000, task ffff810037b060c0) Stack: ffff810002852540 0000000000000001 ffff810037b4dbb0 ffffffff8026be21 ffff81005ed65a40 0000000000000008 ffff810037b4dbb0 0000000000000800 0000000000000008 ffff8100021d94e0 ffff81005ed65a40 ffffffff80348e7c Call Trace: [<ffffffff8026be21>] mempool_alloc_slab+0x11/0x20 [<ffffffff80348e7c>] generic_make_request+0x1ec/0x230 [<ffffffff8034b7e6>] submit_bio+0xf6/0x110 [<ffffffff802b60f0>] submit_bh+0x100/0x130 [<ffffffff802b788a>] __block_write_full_page+0x1ca/0x2e0 [<ffffffff802bc040>] blkdev_get_block+0x0/0x70 [<ffffffff802bc040>] blkdev_get_block+0x0/0x70 [<ffffffff802b7a93>] block_write_full_page+0xf3/0x110 [<ffffffff802baeb3>] blkdev_writepage+0x13/0x20 [<ffffffff8026eb85>] __writepage+0x15/0x40 [<ffffffff8026f1e3>] write_cache_pages+0x1f3/0x360 [<ffffffff8026eb70>] __writepage+0x0/0x40 [<ffffffff8026f372>] generic_writepages+0x22/0x30 [<ffffffff8026f3c6>] do_writepages+0x46/0x80 [<ffffffff802b1f67>] __writeback_single_inode+0x1d7/0x370 [<ffffffff802b2355>] generic_sync_sb_inodes+0x35/0x2b0 [<ffffffff802b24f9>] generic_sync_sb_inodes+0x1d9/0x2b0 [<ffffffff802b29f2>] writeback_inodes+0x82/0x100 [<ffffffff802b25f5>] sync_sb_inodes+0x25/0x30 [<ffffffff802b2a08>] writeback_inodes+0x98/0x100 [<ffffffff8026fd40>] pdflush+0x0/0x1e0 [<ffffffff8026f934>] wb_kupdate+0x94/0x110 [<ffffffff8026fe68>] pdflush+0x128/0x1e0 [<ffffffff8026f8a0>] wb_kupdate+0x0/0x110 [<ffffffff8026fd40>] pdflush+0x0/0x1e0 [<ffffffff80240863>] kthread+0xd3/0x110 [<ffffffff80240700>] keventd_create_kthread+0x0/0x90 [<ffffffff8020a3f8>] child_rip+0xa/0x12 [<ffffffff80483e5b>] _spin_unlock_irq+0x2b/0x60 [<ffffffff80209fb0>] restore_args+0x0/0x30 [<ffffffff80240790>] kthread+0x0/0x110 [<ffffffff8020a3ee>] child_rip+0x0/0x12 Code: 48 8b 43 08 0f 18 08 49 39 dd 75 a2 49 8b be 38 02 00 00 e8 RIP [<ffffffff8034bce4>] __make_request+0x134/0x370 RSP <ffff81005ed659a0> PM: Adding info for No Bus:vcs10 PM: Adding info for No Bus:vcsa10 It looks _really_ bad to me. :-(
It looks familiar to me http://www.ussg.iu.edu/hypermail/linux/kernel/0702.2/0646.html http://www.ussg.iu.edu/hypermail/linux/kernel/0702.2/0821.html Regards, Michal -- Michal K. K. Piotrowski LTG - Linux Testers Group (PL) (http://www.stardust.webpages.pl/ltg/) LTG - Linux Testers Group (EN) (http://www.stardust.webpages.pl/linux_testers_group_en/) - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
