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`cannot mount root, error = 79' since upgrade



Hello,

bootingg a GENERIC (+ options ACPIVERBOSE, MIIVERBOSE, PCIVERBOSE,
USBVERBOSE, PNPBIOSVERBOSE) kernel built from today's sources fails on
my i386 system (which has its root file system on RAID 1) as follows:

[...]
raid0: RAID Level 1
raid0: Components: /dev/wd0a /dev/wd1a
raid0: Total Sectors: 16777216 (8192 MB)
raid1: RAID Level 1
raid1: Components: /dev/wd0f /dev/wd1f
raid1: Total Sectors: 404510080 (197514 MB)
boot device: raid0
root on raid0a dumps on raid0b
no file system for raid0 (dev 0x1200)
cannot mount root, error = 79
root device (default raid0a): 
dump device (default raid0b): 
file system (default generic): 
root on raid0a dumps on raid0b
no file system for raid0 (dev 0x1200)
cannot mount root, error = 79
root device (default raid0a): reboot
syncing disks... done
unmounting file systems... done
rebooting...

I don't see this problem when booting a kernel built about two days ago;
diff(1)ed ident(1) output from the two kernels in question:

<      $NetBSD: bpf.c,v 1.142 2009/01/11 02:45:54 christos Exp $
>      $NetBSD: bpf.c,v 1.143 2009/03/11 05:55:22 mrg Exp $
<      $NetBSD: bus_space.c,v 1.21 2009/02/08 20:59:19 bouyer Exp $
>      $NetBSD: bus_space.c,v 1.22 2009/03/10 18:56:18 bouyer Exp $
<      $NetBSD: db_command.c,v 1.129 2009/03/07 22:02:17 ad Exp $
>      $NetBSD: db_command.c,v 1.130 2009/03/11 13:29:44 nakayama Exp $
<      $NetBSD: db_memrw.c,v 1.24 2008/04/28 20:23:24 martin Exp $
>      $NetBSD: db_memrw.c,v 1.25 2009/03/10 20:05:30 bouyer Exp $
<      $NetBSD: i82557.c,v 1.126 2009/03/09 10:33:33 tsutsui Exp $
>      $NetBSD: i82557.c,v 1.127 2009/03/11 13:12:41 tsutsui Exp $
<      $NetBSD: if_fxp_pci.c,v 1.65 2009/03/07 15:03:25 tsutsui Exp $
>      $NetBSD: if_fxp_pci.c,v 1.66 2009/03/11 13:12:41 tsutsui Exp $
<      $NetBSD: if_tap.c,v 1.52 2009/02/01 21:25:06 pooka Exp $
>      $NetBSD: if_tap.c,v 1.53 2009/03/10 22:14:57 plunky Exp $
<      $NetBSD: if_wm.c,v 1.166 2009/02/28 15:06:43 msaitoh Exp $
>      $NetBSD: if_wm.c,v 1.167 2009/03/10 03:41:50 msaitoh Exp $
<      $NetBSD: init_sysctl.c,v 1.157 2009/03/08 12:52:08 ad Exp $
>      $NetBSD: init_sysctl.c,v 1.159 2009/03/11 05:55:22 mrg Exp $
<      $NetBSD: kern_descrip.c,v 1.187 2009/03/08 12:52:08 ad Exp $
>      $NetBSD: kern_descrip.c,v 1.188 2009/03/11 06:05:29 mrg Exp $
<      $NetBSD: rtsock.c,v 1.123 2009/02/20 10:54:57 yamt Exp $
>      $NetBSD: rtsock.c,v 1.124 2009/03/11 09:26:27 roy Exp $
<      $NetBSD: subr_prf.c,v 1.130 2009/01/30 21:16:51 pooka Exp $
>      $NetBSD: subr_prf.c,v 1.131 2009/03/10 10:48:09 mlelstv Exp $
<      $NetBSD: tcp_usrreq.c,v 1.151 2009/02/18 13:18:32 yamt Exp $
>      $NetBSD: tcp_usrreq.c,v 1.152 2009/03/11 05:55:22 mrg Exp $
<      $NetBSD: tty_pty.c,v 1.115 2009/01/22 14:38:35 yamt Exp $
<      $NetBSD: tty_subr.c,v 1.35 2009/01/22 14:38:35 yamt Exp $
>      $NetBSD: tty_pty.c,v 1.116 2009/03/09 16:19:22 uebayasi Exp $
>      $NetBSD: tty_subr.c,v 1.36 2009/03/09 16:19:22 uebayasi Exp $
<      $NetBSD: uaudio.c,v 1.114 2008/06/28 09:14:56 kent Exp $
>      $NetBSD: uaudio.c,v 1.115 2009/03/09 15:59:33 uebayasi Exp $
<      $NetBSD: uipc_domain.c,v 1.77 2008/12/07 20:58:46 pooka Exp $
>      $NetBSD: uipc_domain.c,v 1.78 2009/03/11 05:55:22 mrg Exp $
<      $NetBSD: uipc_usrreq.c,v 1.120 2009/02/08 16:38:12 pooka Exp $
>      $NetBSD: uipc_usrreq.c,v 1.121 2009/03/11 06:05:29 mrg Exp $
<      $NetBSD: ukbd.c,v 1.102 2009/01/11 10:56:27 cegger Exp $
>      $NetBSD: ukbd.c,v 1.103 2009/03/09 15:59:33 uebayasi Exp $
<      $NetBSD: ums.c,v 1.73 2008/05/24 16:40:58 cube Exp $
>      $NetBSD: ums.c,v 1.74 2009/03/09 15:59:33 uebayasi Exp $
<      $NetBSD: uscanner.c,v 1.64 2009/01/22 16:12:43 cegger Exp $
>      $NetBSD: uscanner.c,v 1.65 2009/03/09 15:59:33 uebayasi Exp $
<      $NetBSD: uvideo.c,v 1.28 2009/02/18 00:27:21 jmcneill Exp $
>      $NetBSD: uvideo.c,v 1.29 2009/03/09 15:59:33 uebayasi Exp $
<      $NetBSD: uvm_pglist.c,v 1.44 2009/03/09 09:53:55 reinoud Exp $
>      $NetBSD: uvm_pglist.c,v 1.45 2009/03/10 03:27:24 nonaka Exp $
<      $NetBSD: uyap.c,v 1.14 2008/05/24 16:40:58 cube Exp $
>      $NetBSD: uyap.c,v 1.15 2009/03/09 15:59:33 uebayasi Exp $
<      $NetBSD: vfs_bio.c,v 1.217 2009/02/23 20:33:30 ad Exp $
>      $NetBSD: vfs_bio.c,v 1.218 2009/03/11 05:55:22 mrg Exp $


Any hints what could have caused this regression?

TIA, Jukka

-- 
bashian roulette:
$ ((RANDOM%6)) || rm -rf ~


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