Re: 2.5.68-mm4

Steven Cole
2003-05-02T20:04:39Z

On Fri, 2003-05-02 at 03:01, Andrew Morton wrote:
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.5/2.5.68/2.5.68-mm4/
>
> . Much reworking of the disk IO scheduler patches due to the updated
> dynamic-disk-request-allocation patch. No real functional changes here.
>
> . Included the `kexec' patch - load Linux from Linux. Various people want
> this for various reasons. I like the idea of going from a login prompt to
> "Calibrating delay loop" in 0.5 seconds.
>
> I tried it on four machines and it worked with small glitches on three of
> them, and wedged up the fourth. So if it is to proceed this code needs
> help with testing and careful bug reporting please.
>

For what it's worth, kexec has worked for me on the following
two systems.

single P-III 933Mhz, 256MB, IDE (system 1)

00:00.0 Host bridge: Intel Corp. 82810E DC-133 GMCH [Graphics Memory Controller Hub] (rev 03)
00:01.0 VGA compatible controller: Intel Corp. 82810E DC-133 CGC [Chipset Graphics Controller] (rev 03)
00:1e.0 PCI bridge: Intel Corp. 82801AA PCI Bridge (rev 02)
00:1f.0 ISA bridge: Intel Corp. 82801AA ISA Bridge (LPC) (rev 02)
00:1f.1 IDE interface: Intel Corp. 82801AA IDE (rev 02)
00:1f.2 USB Controller: Intel Corp. 82801AA USB (rev 02)
00:1f.3 SMBus: Intel Corp. 82801AA SMBus (rev 02)
00:1f.5 Multimedia audio controller: Intel Corp. 82801AA AC'97 Audio (rev 02)
01:0c.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado] (rev 78)

dual P-III 1000Mhz, 1024MB, SCSI (system 2)

00:00.0 Host bridge: ServerWorks CNB20LE Host Bridge (rev 06)
00:00.1 Host bridge: ServerWorks CNB20LE Host Bridge (rev 06)
00:02.0 VGA compatible controller: ATI Technologies Inc 3D Rage IIC 215IIC [Mach64 GT IIC] (rev 7a)
00:03.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev 08)
00:0f.0 ISA bridge: ServerWorks OSB4 South Bridge (rev 50)
00:0f.1 IDE interface: ServerWorks OSB4 IDE Controller
01:04.0 SCSI storage controller: Adaptec AIC-7899P U160/m (rev 01)
01:04.1 SCSI storage controller: Adaptec AIC-7899P U160/m (rev 01)

The times for reboot back to run level 3 are:

normal kexec
system 1 69 seconds 35 seconds
system 2 150 seconds 75 seconds

Steven