Re: bin/45933: fsck_ffs can't find wapbl journal on 4k-block disks

[David Krinsky <krinsky%bantha.org@localhost>]

The following reply was made to PR bin/45933; it has been noted by GNATS.

From: David Krinsky <krinsky%bantha.org@localhost>
To: Michael van Elst <mlelstv%serpens.de@localhost>
Cc: gnats-bugs%NetBSD.org@localhost, mlelstv%NetBSD.org@localhost, 
gnats-admin%netbsd.org@localhost,
        netbsd-bugs%netbsd.org@localhost
Subject: Re: bin/45933: fsck_ffs can't find wapbl journal on 4k-block disks
Date: Sun, 13 Jul 2014 18:38:51 -0400

 On Sun, Jul 13, 2014 at 06:39:29PM +0200, Michael van Elst 
(mlelstv%serpens.de@localhost) wrote:
 > On Sun, Jul 13, 2014 at 02:10:15PM +0000, David Krinsky wrote:
 > 
 > >  Michael,
 > >  
 > >  Thank you for the response.  But if this is the full explanation, why
 > >  does fsck in the domU fail?  That is what I am seeing-- this bug
 > >  doesn't depend on creating a filesystem in a domU and then fscking it
 > >  from dom0.
 > 
 > 
 > Can you please dump the superblock with 'dumpfs -s' and the device
 > properties with 'drvctl -p' from inside the DomU ?
 
 # dumpfs -s /dev/xbd4 
 file system: /dev/xbd4d
 format  FFSv2
 endian  little-endian
 location 65536  (-b 16)
 magic   19540119        time    Sun Jul 13 08:27:32 2014
 superblock location     65536   id      [ 4f2dc109 39cab8dc ]
 cylgrp  dynamic inodes  FFSv2   sblock  FFSv2   fslevel 5
 nbfree  4129308 ndir    1       nifree  8269435 nffree  13
 ncg     177     size    33554432        blocks  33034735
 bsize   32768   shift   15      mask    0xffff8000
 fsize   4096    shift   12      mask    0xfffff000
 frag    8       shift   3       fsbtodb 0
 bpg     23697   fpg     189576  ipg     46720
 minfree 5%      optim   time    maxcontig 2     maxbpg  4096
 symlinklen 120  contigsumsize 2
 maxfilesize 0x000800800805ffff
 nindir  4096    inopb   128
 avgfilesize 16384       avgfpdir 64
 sblkno  24      cblkno  32      iblkno  40      dblkno  2960
 sbsize  4096    cgsize  32768
 csaddr  2960    cssize  4096
 cgrotor 0       fmod    0       ronly   0       clean   0x01
 wapbl version 0x1       location 1      flags 0x0
 wapbl loc0 268435456    loc1 131072     loc2 512        loc3 0
 flags   none
 fsmnt   /var/mail
 volname         swuid   0
 
 # drvctl -p xbd4 
 Properties for device `xbd4':
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" 
"http://www.apple.com/DTDs/PropertyList-1.0.dtd";>
 <plist version="1.0">
 <dict>
         <key>device-driver</key>
         <string>xbd</string>
         <key>device-unit</key>
         <integer>0x4</integer>
         <key>disk-info</key>
         <dict>
                 <key>geometry</key>
                 <dict>
                         <key>cylinders-per-unit</key>
                         <integer>0x20040</integer>
                         <key>sector-size</key>
                         <integer>0x200</integer>
                         <key>sectors-per-track</key>
                         <integer>0x800</integer>
                         <key>sectors-per-unit</key>
                         <integer>0x10020000</integer>
                         <key>tracks-per-cylinder</key>
                         <integer>0x1</integer>
                 </dict>
         </dict>
 </dict>
 </plist>