kern/72906: twe0 idefinite wait buffer

[dinoex at FreeBSD.org]

>Number:         72906
>Category:       kern
>Synopsis:       twe0 idefinite wait buffer
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Oct 20 03:50:20 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator:     Dirk Meyer
>Release:        FreeBSD 5.3-BETA7
>Organization:
privat
>Environment:

FreeBSD tb.dinoex.sub.de 5.3-BETA7 FreeBSD 5.3-BETA7 #5: Fri Oct  8 10:32:25 CEST 2004     root at current.dinoex.sub.de:/usr/obj/usr/src/sys/GENERIC  i386

twe0: <3ware Storage Controller. Driver version 1.50.01.002> port 0xb000-0xb00f mem 0xf2000000-0xf27fffff irq 17 at device 1.0 on pci3
twe0: [GIANT-LOCKED]
twe0: 12 ports, Firmware FE7S 1.05.00.065, BIOS BE7X 1.08.00.048
twed0: <Unit 0, RAID5, Normal> on twe0
twed0: 1907811MB (3907198720 sectors)
twed1: <Unit 9, JBOD, Normal> on twe0
twed1: 190782MB (390721968 sectors)

>Description:

	when twe0 seens a disk problem, the system will freeze up.
	network routing is still functional.
	keyborad will escape in debugger.
	no core dump can not be written.
	all servies on host are blocking.

>How-To-Repeat:

	wait for an alarm to occur:

messages:
Oct 17 03:06:34 tb kernel: twe0: AEN: <twe0: port 2: sector repair occurred>
Oct 17 03:07:51 tb kernel: twe0: AEN: <twe0: port 2: sector repair occurred>
Oct 19 03:07:43 tb kernel: twe0: AEN: <twe0: port 2: sector repair occurred>
Oct 19 03:07:57 tb kernel: twe0: AEN: <twe0: port 2: sector repair occurred>
Oct 19 03:08:18 tb kernel: twe0: error polling for signalled AEN
Oct 19 03:08:18 tb last message repeated 5 times
Oct 19 03:08:38 tb kernel: twe0: AEN: <twe0: port 2: sector repair occurred>
Oct 19 03:08:38 tb kernel: twe0: AEN: <twe0: port 2: sector repair occurred>
Oct 19 03:09:16 tb kernel: twe0: AEN: <twe0: port 2: sector repair occurred>

CONSOLE:
swap-pager: idefinite wait buffer: device: twed0s2a blkno 4, size 4096
swap-pager: idefinite wait buffer: device: twed0s2a blkno 29, size 4096
[20 seconds idle]
swap-pager: idefinite wait buffer: device: twed0s2a blkno 4, size 4096
swap-pager: idefinite wait buffer: device: twed0s2a blkno 29, size 4096
[20 seconds idle]

after reboot:
$ tw_cli alarms

Alarms Report for Controller /c0
Date                       Severity  Alarm Message
-----------------------------------------------------
N/A                        N/A       INFO: Soft reset occurred


>Fix:

	unknown

>Release-Note:
>Audit-Trail:
>Unformatted: