Date: Wed, 30 Mar 2011 17:24:35 +0400 From: Alexander Pyhalov <alp@rsu.ru> To: freebsd-stable@freebsd.org Subject: boot0 bug? Message-ID: <4D932F13.1060105@rsu.ru>
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Hello.
I have IBM blade, which is connected to EMC Clarion disk storage (2 FC
adapters connected to 2 FC switches, so system sees 4 paths to storage).
One lun is provided to the system. The problem is that FreeBSD doesn't
boot randomly (at least 1 attempt from 5 boots is unsuccessful). The
blade stalls and I see only blank screen.
I've tried other operating systems - OpenIndiana b148 and Ubuntu 10.10 -
each of them has booted perfectly 10 times without any issues.
I don't see any messages from boot1 stage and system is logged in to EMC
storage with only one path. When the system boots successfully, I can
see on EMC Clarion that it is connected with all paths. I've tried to
use boot0 from CURRENT - results are the same (boot fails randomly).
How can I debug this issue?
Additional info:
# uname -a
FreeBSD fbsdhost5.xx 8.2-RELEASE FreeBSD 8.2-RELEASE #0 r219027M: Wed
Mar 9 15:12:21 MSK 2011
alp@xx:/usr/obj/usr/src-releng-8.2/sys/ibm-hs-21xm-vnet-amd64.releng-8.2
amd64
# camcontrol devlist -v
scbus0 on isp0 bus 0:
<DGC RAID 5 0326> at scbus0 target 0 lun 0 (sg0,pass0,da0)
<DGC RAID 5 0326> at scbus0 target 1 lun 0 (sg1,pass1,da1)
<> at scbus0 target -1 lun -1 ()
scbus1 on isp1 bus 0:
<DGC RAID 5 0326> at scbus1 target 0 lun 0 (sg2,pass2,da2)
<DGC RAID 5 0326> at scbus1 target 1 lun 0 (sg3,pass3,da3)
<> at scbus1 target -1 lun -1 ()
scbus-1 on xpt0 bus 0:
<> at scbus-1 target -1 lun -1 (xpt0)
# gmultipath status
Name Status Components
multipath/fbsdhost5tst N/A da0
da1
da2
da3
# gpart show
=> 63 33554367 multipath/fbsdhost5tst MBR (16G)
63 33543657 1 freebsd [active] (16G)
33543720 10710 - free - (5.2M)
=> 0 33543657 multipath/fbsdhost5tsts1 BSD (16G)
0 16 - free - (8.0K)
16 18863577 1 freebsd-ufs (9.0G)
18863593 4194304 2 freebsd-swap (2.0G)
23057897 2097152 4 freebsd-ufs (1.0G)
25155049 8388608 5 freebsd-ufs (4.0G)
# boot0cfg -v /dev/multipath/fbsdhost5tst
# flag start chs type end chs offset size
1 0x80 0: 1: 1 0xa5 39:254:63 63 33543657
version=2.0 drive=0x80 mask=0xf ticks=182 bell=# (0x23)
options=packet,update,nosetdrv
volume serial ID 9090-9090
default_selection=F1 (Slice 1)
# df
Filesystem 1K-blocks Used Avail Capacity
Mounted on
/dev/multipath/fbsdhost5tsts1a 9129786 4522594 3876810 54% /
devfs 1 1 0 100% /dev
/dev/multipath/fbsdhost5tsts1d 1012974 12 931926 0% /tmp
/dev/multipath/fbsdhost5tsts1e 4058062 141846 3591572 4% /var
--
Best regards,
Alexander Pyhalov,
system administrator of Computer Center of Southern Federal University
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