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SubjectRe: [BUG] e100 driver fails to initialize the hardware after kernel bootup through kexec
Hello Eric W. Biederman,

Once you wrote about "Re: [BUG] e100 driver fails to initialize the hardware after kernel bootup through kexec":
> Michael Fu <michael.fu@linux.co.intel.com> writes:
>
> > After kernel was bootup through kexec command, the NIC failed to
> > initialize. The 2.5.52 kernel was patched with kexec and kexec-hwfix
> > patch.
>
> Interesting... The patch goes cleanly onto newer kernels so feel
> free to play with them. You are running a single cpu system
> so the kexec-hwfix patch should not make a difference at this point.
>
> Your interrupt routing is via ACPI interesting...
>
> >
> > the following was is the dmesg output:
>
> [snip]
> > Intel(R) PRO/100 Network Driver - version 2.1.24-k2
> > Copyright (c) 2002 Intel Corporation
> >
> >
> >
> >
> >
> >
> > PCI: Enabling device 02:09.0 (0000 -> 0003)
> > PCI: Setting latency timer of device 02:09.0 to 64
> > e100: selftest timeout
> > e100: Failed to initialize, instance #0

use NIC EEPro100+ on INTEL STL2 motherboard, with "eepro100" driver - all work ok.

or "e100" driver and with patch:


--- drivers/net/e100/e100.h- Wed Dec 4 15:16:08 2002
+++ drivers/net/e100/e100.h Wed Dec 4 15:16:20 2002
@@ -100,7 +100,7 @@

#define E100_MAX_NIC 16

-#define E100_MAX_SCB_WAIT 100 /* Max udelays in wait_scb */
+#define E100_MAX_SCB_WAIT 5000 /* Max udelays in wait_scb */
#define E100_MAX_CU_IDLE_WAIT 50 /* Max udelays in wait_cus_idle */

/* HWI feature related constant */
all work ok.

-
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