On Tue, 29 Apr 2014 22:07-0400, grarpamp wrote:
> Hello.
> =
> On an i386 GENERIC ...
> RELENG_8 from July 2012 works.
> RELENG_8 from this week fails to mount root.
Try to back out r262226, rebuild the kernel and install that kernel.
E.g.
# boot the old kernel (/boot/kernel.old/kernel)
# Move the bad kernel out of the way
mv /boot/kernel /boot/kernel.bad
# Make sure you keep the good kernel in place
mv /boot/kernel.old /boot/kernel
cd /usr/src
svn diff -r 262226:262225 sys/dev/pci/pci.c | patch
make -D NO_CLEAN buildkernel
make installkernel
> Updated source, built and installed kernel and world,
> no system changes made but that.
> =
> It's also failing to print any errmsg here...
> sys/kern/vfs_mount.c:1872: printf("ROOT MOUNT ERROR: %s\n", errmsg);
> =
> =
> Then I noticed
> bsdlabel ad0s1
> had ad0s1b as 'unused' ie: 0, but it's ufs now, so...
> gpart modify -i 2 -t freebsd-ufs ad0s1
> which didn't help.
> =
> Loading...
> geom_part_{bsd,mbr,gpt,ebr}
> showed these were already in the new GENERIC kernel.
> =
> Loading...
> geom_{bsd,mbr}
> didn't help.
> =
> Then for fun...
> boot0cfg -b /boot/boot0 ad0
> gpart bootcode -b /boot/boot ad0s1
> which didn't help as expected.
> =
> There's nothing disk related in
> /boot.config
> /boot/loader.conf*
> but atapicam, geom_eli, and zfs for later use with /etc/rc.
> =
> So I'm booted back on the old kernel and mounted just fine for now.
> =
> What changed in the new kernel so that it no longer mounts my root?
> Ideas?
> =
> =
> Current state...
> =
> =
> Trying to mount root from ufs:/dev/ad0s1a
> ROOT MOUNT ERROR:
> ...
> Loader variables:
> vfs.root.mountfrom=3Dufs:/dev/ad0s1a
> vfs.root.mountfrom.options=3Dro
> ...
> mountroot> ?
> ...
> List of GEOM managed disk devices:
> cd1 cd0 ad13 ad12 ad10 ad6 ad4 acd1 acd0 ad0 fd0
> ...
> mountroot> ufs:/dev/ad0s1a
> Trying to mount root from ufs:/dev/ad0s1a
> ROOT MOUNT ERROR:
> ...
> mountroot>
> panic: Root mount failed, startup aborted.
> =
> =
> gpart show ad0
> =3D> 63 17803377 ad0 MBR (8.5G)
> 63 6421905 1 freebsd [active] (3.1G)
> 6421968 11381328 2 freebsd (5.4G)
> 17803296 144 - free - (72k)
> =
> *** ad0s2 is actually part of a zpool now. I don't think there is
> a proper slice type for that, and I couldn't find any list in fdisk.c
> or /usr/include. I thought that might cause a tasting issue but I
> checked and the first 8k of ad0s2 is all zero's.
> =
> gpart show ad0s1
> =3D> 0 6421905 ad0s1 BSD (3.1G)
> 0 786432 1 freebsd-ufs (384M)
> 786432 131072 2 freebsd-ufs (64M)
> 917504 393216 7 freebsd-ufs (192M)
> 1310720 1310720 6 freebsd-ufs (640M)
> 2621440 1048576 4 freebsd-ufs (512M)
> 3670016 2751889 5 freebsd-ufs (1.3G)
> =
> =
> bsdlabel ad0s1
> # /dev/ad0s1:
> 8 partitions:
> # size offset fstype [fsize bsize bps/cpg]
> a: 786432 0 4.2BSD 0 0 0
> b: 131072 786432 4.2BSD 0 0 0
> c: 6421905 0 unused 0 0 # "raw" part, don=
't edit
> d: 1048576 2621440 4.2BSD 0 0 0
> e: 2751889 3670016 4.2BSD 0 0 0
> f: 1310720 1310720 4.2BSD 0 0 0
> g: 393216 917504 4.2BSD 0 0 0
> =
> =
> fstab
> /dev/ad0s1a / ufs ro 0 1
> /dev/ad0s1b none swap xx,sw 0 0
> /dev/ad0s1b /t ufs rw 0 2
> /dev/ad0s1d /var ufs xx,rw 2 2
> /dev/ad0s1e /tmp ufs xx,rw 2 2
> /dev/ad0s1f /usr ufs ro 0 2
> /dev/ad0s1g /usr/local ufs xx,ro 0 2
> /dev/ad0s1h /a ufs xx,rw 0 1
> /dev/ad0s1ha /boot/zfs ufs xx,rw 0 1
> md /boot/zfs mfs rw,-s1m,-M,-p0755 0 0
> /dev/ad0s1hb /a ufs xx,rw 0 1
> md /a mfs rw,-s1m,-M,-p0755 0 0
> /dev/acd0 /cdrom0 cd9660 ro,noauto 0 0
> /dev/acd1 /cdrom1 cd9660 ro,noauto 0 0
> =
> Zfs handles other mountpoints in /etc/rc.
> =
> =
> diff /boot/boot <first_8k_of_ad0s1>
> 33c33
> < 00000200 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |..........=
.......|
> ---
> > 00000200 57 45 56 82 00 00 00 00 61 6d 6e 65 73 69 61 63 |WEV.....am=
nesiac|
> 35,37c35,37
> < 00000220 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |..........=
.......|
> < 00000230 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |..........=
.......|
> < 00000240 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |..........=
.......|
> ---
> > 00000220 00 00 00 00 00 00 00 00 00 02 00 00 3f 00 00 00 |..........=
...?...|
> > 00000230 10 00 00 00 e2 18 00 00 f0 03 00 00 91 fd 61 00 |..........=
.....a.|
> > 00000240 00 00 00 00 00 00 00 00 10 0e 01 00 00 00 00 00 |..........=
.......|
> 41,49c41,49
> < 00000280 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |..........=
.......|
> < 00000290 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |..........=
.......|
> < 000002a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |..........=
.......|
> < 000002b0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |..........=
.......|
> < 000002c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |..........=
.......|
> < 000002d0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |..........=
.......|
> < 000002e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |..........=
.......|
> < 000002f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |..........=
.......|
> < 00000300 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |..........=
.......|
> ---
> > 00000280 00 00 00 00 57 45 56 82 b4 c8 08 00 00 20 00 00 |....WEV...=
.... ..|
> > 00000290 00 00 00 00 00 00 0c 00 3f 00 00 00 00 00 00 00 |........?.=
.......|
> > 000002a0 07 00 00 00 00 00 02 00 3f 00 0c 00 00 00 00 00 |........?.=
.......|
> > 000002b0 07 00 00 00 91 fd 61 00 3f 00 00 00 00 00 00 00 |......a.?.=
.......|
> > 000002c0 00 00 00 00 00 00 10 00 3f 00 28 00 00 00 00 00 |........?.=
(.....|
> > 000002d0 07 00 00 00 91 fd 29 00 3f 00 38 00 00 00 00 00 |......).?.=
8.....|
> > 000002e0 07 00 00 00 00 00 14 00 3f 00 14 00 00 00 00 00 |........?.=
.......|
> > 000002f0 07 00 00 00 00 00 06 00 3f 00 0e 00 00 00 00 00 |........?.=
.......|
> > 00000300 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |..........=
.......|
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> =
-- =
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| Trond Endrest=F8l, | Trond Endrest=F8l, |
| IT-ansvarlig, | System administrator, |
| Fagskolen Innlandet, | Gj=F8vik Technical College, Norway, |
| tlf. mob. 952 62 567, | Cellular...: +47 952 62 567, |
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