netdev - Re: e100/netconsole: Failed to load firmware (Re: linux-next: Tree for November 3)

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Date:	Mon, 3 Nov 2008 18:49:58 +0300
From:	"Alexander Beregalov" <a.beregalov@...il.com>
To:	e1000-devel@...ts.sourceforge.net, jaswinder@...radead.org,
	"David Woodhouse" <dwmw2@...radead.org>
Cc:	linux-next@...r.kernel.org, Netdev <netdev@...r.kernel.org>
Subject: Re: e100/netconsole: Failed to load firmware (Re: linux-next: Tree for November 3)

2008/11/3 Alexander Beregalov <a.beregalov@...il.com>:
> Hi
>
> 2.6.28-rc3-next-20081103 on sparc64
>
> netconsole on e100 does not work
>
> pci 0000:02:01.0: supports D1 D2
> pci 0000:02:01.0: PME# supported from D0 D1 D2 D3hot
> pci 0000:02:01.0: PME# disabled
> device: '0000:02:01.0': device_add
> bus: 'pci': add device 0000:02:01.0
> pci 0000:02:01.0: calling quirk_e100_interrupt+0x0/0x1e4
> pci 0000:02:01.0: calling quirk_cardbus_legacy+0x0/0x40
> pci 0000:02:01.0: calling quirk_usb_early_handoff+0x0/0x42c
> <...>
> e100: Intel(R) PRO/100 Network Driver, 3.5.23-k4-NAPI
> e100: Copyright(c) 1999-2006 Intel Corporation
> bus: 'pci': add driver e100
> bus: 'pci': driver_probe_device: matched device 0000:02:01.0 with driver e100
> bus: 'pci': really_probe: probing driver e100 with device 0000:02:01.0
> PCI: Enabling device: (0000:02:01.0), cmd 3
> e100 0000:02:01.0: enabling bus mastering
> e100 0000:02:01.0: PME# disabled
> device: 'eth1': device_add
> e100: eth1: e100_probe: addr 0x1ff00002000, irq 15, MAC addr 00:d0:b7:e4:d6:f1
> driver: '0000:02:01.0': driver_bound: bound to device 'e100'
> bus: 'pci': really_probe: bound device 0000:02:01.0 to driver e100
> netconsole: local port 6665
> netconsole: local IP 192.168.1.5
> netconsole: interface eth1
> netconsole: remote port 6667
> netconsole: remote IP 192.168.1.3
> netconsole: remote ethernet address 00:08:c7:da:88:fb
> netconsole: device eth1 not up yet, forcing it
> e100 0000:02:01.0: firmware: requesting e100/d101m_ucode.bin
> device: '0000:02:01.0': device_add

60 seconds delay here

> device: '0000:02:01.0': device_unregister
> e100: eth1: e100_request_firmware: Failed to load firmware
> "e100/d101m_ucode.bin": -2
> netconsole: failed to open eth1
> netconsole: cleaning up
> <...>
> e100 0000:02:01.0: firmware: requesting e100/d101m_ucode.bin
> device: '0000:02:01.0': device_add
> device: '0000:02:01.0': device_unregister
> e100: eth1: e100_watchdog: link up, 100Mbps, full-duplex

drivers/base/firmware_class.c:
_request_firmware():

mutex_lock(&fw_lock);
if (!fw_priv->fw->size || test_bit(FW_STATUS_ABORT, &fw_priv->status)) {
        retval = -ENOENT;
        release_firmware(fw_priv->fw);
        *firmware_p = NULL;
}
fw_priv->fw = NULL;
mutex_unlock(&fw_lock);
device_unregister(f_dev);
goto out;


fw_priv->fw->size is 0 at the first time
At the second time it is 539
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