Re: modprobing ipmi_si on Dell Power Edge 2600 make the terminal hang kernel ver. >= 2.6.20
From: Mikael Pettersson
Date: Mon Jan 21 2008 - 03:15:59 EST
william cheng writes:
> Dear all,
>
> We got some problem on modprobing the ipmi_si module on Dell
> Power Edge 2600.
> On modprobing the ipmi_si the terminal hang and the process
> cannot be terminated by control-C.
> We got these messages in dmesg
>
> ipmi message handler version 39.1
> IPMI System Interface driver.
> ipmi_si: Trying SMBIOS-specified bt state machine at i/o
> address 0xe4, slave address 0x20, irq 10
> Using irq 10
> IPMI BT: req2rsp=10 secs retries=3
> ipmi_si: Error clearing flags: c6
>
>
> We have tested a few other dell machine (Power Edge 2500,
> 2900, ....), and this problem only occurs in Power Edge 2600.
>
>
> The problem occurs in the following testes
> Debian testing lenny
> Ubuntu 7.10
> Ubuntu 7.04
> Fedore 8
> Kernel 2.6.20
> Kernel 2.6.21
> Kernel 2.6.22
> Kernel 2.6.22.5
> Kernel 2.6.22.14
> Kernel 2.6.22.15
> Kernel 2.6.23.12
>
> While in the following testes we can successfully modprobe the ipmi_si
> Ubuntu 6.10
> Debian 4.0r2
> Kernel 2.6.18.3
> Kernel 2.6.18.5
> Kernel 2.6.18.8
> Kernel 2.6.19
> Kernel 2.6.19.7
>
> It looks like the problem only occurs when using kernel after
> 2.6.20 with Power Edge 2600.
I saw the same loop when upgrading a PE2600 from an RHEL4 2.6.9
kernel to an RHEL5 2.6.18 kernel. Since I had no interest in ipmi_si
I just de-configured it and wrote it off as yet another RHEL bug.
Seems now that RedHat backported an upstream bug :-(
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