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Date:      Fri, 17 May 2013 16:34:56 +0530
From:      "Saxena, Sumit" <Sumit.Saxena@lsi.com>
To:        "freebsd-scsi@freebsd.org" <freebsd-scsi@freebsd.org>
Subject:   LSI megaRAID controller: Kernel panic on virtual disk creation
Message-ID:  <088E451FE1854947BD9145EF8C016FF4139FE16FFC@inbmail01.lsi.com>

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Hi ,

While doing some testing on "mrsas" driver(LSIs' latest driver for next gen=
eration MegaRAID controllers- which will soon be submitted to upstream kern=
el), I am facing kernel panic  while creating Virtual drive(RAID0) on LSI c=
ontroller-9286-e (6 Gb/s RAID controller). I am using latest upstream kerne=
l.  The error message seen on panic is:

"reboot after panic: Provider da1 lacks sectorsize"

Below is the call stack:

----------------------------------------------
kdb_enter() at kdb_enter+0x3e/frame 0xffffff8000285920
vpanic() at vpanic+0x146/frame 0xffffff8000285960
kassert_panic() at kassert_panic+0x136/frame 0xffffff80002859d0
g_access() at g_access+0x3ba/frame 0xffffff8000285a60
g_raid_md_taste_jmicron() at g_raid_md_taste_jmicron+0x6d/frame 0xffffff800=
0285b00
g_raid_taste() at g_raid_taste+0x17f/frame 0xffffff8000285b50
g_new_provider_event() at g_new_provider_event+0xda/frame 0xffffff8000285b7=
0
g_run_events() at g_run_events+0x1a7/frame 0xffffff8000285bb0
fork_exit() at fork_exit+0x84/frame 0xffffff8000285bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xffffff8000285bf0
--- trap 0, rip =3D 0, rsp =3D 0xffffff8000285cb0, rbp =3D 0 ---
-------------------------------------------------

"/dev/da1" is virtual drive created.

The problem does not seems to be related to <mrsas> driver. call stack indi=
cates that panic is observed  in GEOM module.
Has someone face such issue earlier related to GEOM module?


Thanks,
Sumit



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