Failed to download image - Certificates missing; Image signature validation will be bypassed.

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I have a stack with 4 nodes.
2x X670V-48x
2x X460-24t

They are runnning 15.3.2.11

I'm seeing this error in the log
08/15/2015 18:48:55.70 <Warn:Kern.Card.Warning> Slot-1: shid_eeprom_read (67): data read failed at 1 out of 1
08/15/2015 18:48:55.70 <Warn:Kern.Card.Warning> Slot-1: i2c-1: shid_eeprom_read:5278 I/O failed, addr 0x0050 rd/wr 1 cmd 0 proto 1, rc 145
08/15/2015 18:48:54.69 <Warn:Kern.Card.Warning> Slot-1: shid_eeprom_read (67): data read failed at 1 out of 1
08/15/2015 18:48:54.69 <Warn:Kern.Card.Warning> Slot-1: i2c-1: shid_eeprom_read:5278 I/O failed, addr 0x0050 rd/wr 1 cmd 0 proto 1, rc 145
08/15/2015 18:48:51.68 <Warn:Kern.Card.Warning> Slot-1: i2c-1: shid_9506_read:78 I/O failed, addr 0x0020 rd/wr 1 cmd 2 proto 2, rc 145
08/15/2015 18:48:51.37 <Warn:Kern.Card.Warning> Slot-1: i2c-1: shid_9506_read:78 I/O failed, addr 0x0020 rd/wr 1 cmd 3 proto 2, rc 145
08/15/2015 18:48:51.37 <Warn:Kern.Card.Warning> Slot-1: i2c-1: shid_9506_read:78 I/O failed, addr 0x0020 rd/wr 1 cmd 2 proto 2, rc 145

Did a stack reboot same problem

So I wanted to update the image.

Slot 2,3,4 no problem
But in slot 1 i'm getting this error:
Error: Failed to download image - Certificates missing; Image signature validation will be bypassed.

I have tried image:
summitX-15.7.1.4-patch1-2.xos
summitX-16.1.1.4.xos
With same result.

Any ideas?
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Thomas Handberg

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Posted 3 years ago

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PARTHIBAN CHINNAYA, Alum

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Looks like a hardware problem to me.
But if it is purely related to eprom then GTAC might help to recover it.
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Thomas Handberg

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I was the stacking cable that gave me the problem. Changed the cable and now it works
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Drew C., Community Manager

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Regarding the message:  Error: Failed to download image - Certificates missing; Image signature validation will be bypassed.
This is part of a new feature in EXOS 16.1 to provide Image Integrity Checking.  Depending on your upgrade/downgrade path, this message would be displayed.

After the first installation of EXOS >= 16.1, all subsequent downloaded images can be validated using the bundled certificate/key.  Downgrading from an EXOS version supporting digital signatures to one that doesn't is allowed and a warning message is displayed on the CLI to remind the user that the image is not digitally signed by Extreme Networks.