Has anyone successfully set the debug mode flags in the isp(4) drivers
on boot for Freebsd 7.0?

The man page states that setting "hint.isp.0.debug" should do the
trick, but setting it to any value doesn't cause anything to happen.

Checking the code shows isp_pci.c is doing a getenv_int("isp_debug",
&bitmap), which looks like setting that kernel variable should do it,
but still no go.

So I'm wondering if anyone else got it working in the past, and if so,
what did you set for maximum debugging?

(Reason is that I'm trying to track down a bug that causes the kernel
to crash occasionally on boot, in a boot-from-san configuration.)

Cheers,
Ross.

Hello,

We are using FreeBSD 7.0-RELEASE #1 running Squid and Zabbix on vmware ESX 3.0.2 and our vmware ESX servers access our SAN through IpStor cluster (Storage virtualization and mirroring).

We have 2 storages (EVA 6100) and the IpStor solution allows us to mirror disks on both EVAs.

We have a problem with both the Zabbix and Squid FreeBSD virtual machines, when the virtual machine is loosing its disks (EVA controller reboot or ipstor cluster failover), we have several "g_vfs_done() : da1s1d[WRITE(offset=2312431234, length=12453)] error= 5" errors then the host is definitively frozen. The disk loss lasts 1-5 seconds. Windows virtual machines do freeze during the loss then continue working. On Windows we had to specify a longer timeout for local disk in registry.

Does anybody has an idea what could be tuned to avoid this problem ?

Attached you can find the dmesg and a screenshot of the g_vfs_done error...

Thanks in advance for your help

Best regards

Carole

Carole Macheret
System and Network Administrator
Vibro-Meter SA Switzerland
Phone: +41264071591
Email : Carole.Macheret@ch.meggitt.com

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Current FreeBSD problem reports
Critical problems
Serious problems

S Tracker Resp. Description
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o kern/39388 scsi ncr/sym drivers fail with 53c810 and more than 256MB m
o...

Good day,

We're trying to get FreeBSD 7.0 to fly on an Intel SR2500ALLX server,
but the RAID controller isn't being detected properly. As best I can
tell from reading man pages it _should_ be being handled by mpt(4) --
but the system boots with no drives detected. Also, it is probably
worth pointing out that the system has been working before this just
fine with Linux.

With pciconf I'm getting this:

mfi0@pci0:4:14:0: class=0x010400 card=0x35018086 chip=0x04111000 rev=0x00 hdr=0x00
class = mass storage
subclass = RAID

I saw a commit message for mpt_pci.c from last Sept (rev 1.51 & mfc)
that was a fix for a device ID conflict with mfi(4). Could this same
sort of thing be happening here?

What is the best way forward? Is a custom kernel with mfi(4) removed a
possible workaround? Any assistance greatly appreciated!

Thank you,

Charles

--

Current FreeBSD problem reports
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Serious problems

S Tracker Resp. Description
--------------------------------------------------------------------------------
o kern/39388 scsi ncr/sym drivers fail with 53c810 and more than 256MB m
o...

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