kernel panic, Areca, 6.2-REL with GENERIC [Was: Re: 6.2-st panic w/ ggate [Was: Re: kernel panic on 6.2-RC2 with GENERIC.]]

[Scott Long]

Isaac Levy wrote:
> Hi All,
> 
> I hate to say, I'm picking up from this thread:
> http://lists.freebsd.org/pipermail/freebsd-stable/2007-January/031970.html
> 
> On Feb 15, 2007, at 11:06 AM, Scott Long wrote:
> 
>> I don't see how they could be related.  I've committed a fix for the 
>> Areca problem.
>>
>> Scott
> 
> I've reproduced the Areca problem from previous threads this year, and 
> was wondering if it's still broken, or if there's anything I'm missing?
> 
> Here's what happens:
> <snip>
> Aug 29 01:56:38 greengoose sudo:      ike : TTY=ttyp6 ; 
> PWD=/usr/home/ike ; USER=root ; COMMAND=/usr/sbin/periodic daily
> Aug 29 01:57:29 greengoose kernel: 
> g_vfs_done():da2p1[WRITE(offset=5998165426176, length=131072)]error = 5
> Aug 29 01:57:58 greengoose kernel: 
> g_vfs_done():da0s1f[WRITE(offset=27556233216, length=16384)]error = 5
> Aug 29 01:57:58 greengoose kernel: 
> g_vfs_done():da0s1f[WRITE(offset=27556249600, length=16384)]error = 5
> Aug 29 01:57:58 greengoose kernel: 
> g_vfs_done():da0s1f[WRITE(offset=27556216832, length=16384)]error = 5
> Aug 29 01:57:58 greengoose kernel: 
> g_vfs_done():da0s1f[WRITE(offset=27556298752, length=16384)]error = 5
> Aug 29 01:57:58 greengoose kernel: 
> g_vfs_done():da0s1f[WRITE(offset=27556315136, length=16384)]error = 5
> Aug 29 01:57:58 greengoose kernel: 
> g_vfs_done():da0s1f[WRITE(offset=27556282368, length=16384)]error = 5
> Aug 29 01:57:58 greengoose kernel: 
> g_vfs_done():da0s1f[WRITE(offset=27556331520, length=16384)]error = 5
>   <repeat around 1710 times>
> Aug 29 02:08:50 greengoose kernel: 
> g_vfs_done():da0s1f[WRITE(offset=122359873536, length=16384)]error = 5
> Aug 29 02:08:50 greengoose kernel: 
> g_vfs_done():da0s1f[WRITE(offset=122359889920, length=16384)]error = 5
> Aug 29 02:08:50 greengoose kernel: 
> g_vfs_done():da0s1f[WRITE(offset=122359939072, length=16384)]error = 5
> Aug 29 02:08:50 greengoose kernel: 
> g_vfs_done():da0s1f[WRITE(offset=122359955456, length=16384)]error = 5
> Aug 29 02:08:50 greengoose kernel: 
> g_vfs_done():da0s1f[WRITE(offset=122360086528, length=16384)]error = 5
> Aug 29 02:08:50 greengoose kernel: 
> g_vfs_done():da0s1f[WRITE(offset=28133228544, length=16384)]error = 5
>   <pop goes the kernel>
> Aug 29 02:11:40 greengoose syslogd: kernel boot file is /boot/kernel/kernel
> <snip>
> 
> Here's the specs:
> FreeBSD 6.2-REL, i386 GENERIC kernel (installed today [many times over])
> da2: <Areca ARC-1160-VOL#02 R001> Fixed Direct Access SCSI-5 device
>   (12 chhannel SATA Raid, Maxtor disks, with 'Disable Maxtor' under 'HDD 
> Read-Ahead Cache' set)
> 
> Firmware Version - V1.43 2007-4-17
> BOOT ROM Version - V1.41 2006-5-24
> 
> Additional info:
>   - Volumes are Raid5 and Pass-Through drives
>   - Pass-Through drives fail just like the Raid5 volumes do
>   - Each time it crashes, disk i/o is SCREAMING'.
> 
> -- 
> If I've missed something, please feel free to point me to the url!
> 
> But if not, it seems whatever bug in this driver existed, did not go 
> away...
> 
> (Sidenote: Gotta give a big thanks to the whoever is working on these 
> drivers, once you get working with big disks, it takes A LONG TIME to 
> figure out what's wrong...  A fsck takes forever...  Not whining, 
> actually I'm really meaning to thank the driver writers for wading 
> through this thick muck!!!)
> 

There are locking problems in the arcmsr driver.  I fixed them in HEAD 
but not in 6-STABLE yet.  I really don't have time today to generate 
patch; I encourage someone to look at the commit I made on July 31 and
backport those changes to 6-STABLE.

Scott