[c-nsp] Cisco 3750, upgrading from SEC2 to SED

[Brad Gould]

I believe this is a "known" bug.

One of the guys here had a switch die with the same issue.  TAC's 
solution was to RMA the switch.  2970-24-TS I believe.

Brad


Yinglam Cheung wrote:
> has anyone reported to TAC yet? I have same problem on a 3750 upgraded to 12.2 (25) SED. The upgrade part is successful, but then flash is not readable. I can do fsck no problem, but then flash is not readable again.
>   
> 
> A.L.M.Buxey at lboro.ac.uk wrote:
>   Hi,
> 
> 
>>>>Fsck operation may take a while. Continue? [confirm]
>>>>
>>>>i28f128j3_16x_write_bytes: command sequence error
>>>>
>>>>flashfs[1]: writing to flash handle 0x26DBFE0, device 0, offset
>>>
>>>0x400000,
>>>
>>>>length
>>>>
>>>>: 0x20: Operation Failed
>>>>
>>>>%Error fscking flash:: (I/O error)
>>>>
>>>
>>>We've had the same problems on C2970G-24TS updating to 12.2(25)SED.
>>>Basically the update works without problems, but after the reload
>>>writing to flash fails completely.
>>
>>
>>I have the same trouble on a new delivered C2970G-24TSE
>>It's not possible to save the configuration, or to make any changes on the
>>flash:
>>
>>Switch#dir
>>Directory of flash:/
>>
>>2 -rwx 384 Jan 1 1970 00:03:44 +00:00 info
>>3 drwx 64 Jan 1 1970 00:11:20 +00:00 c2970-lanbasek9-mz.122-25.SED
>>
>>15998976 bytes total (11180544 bytes free)
>>
>>Switch#copy flash:info flash:info1
>>Destination filename [info1]?
>>i28f128j3_16x_write_bytes: command sequence error
>>flashfs[1]: writing to flash handle 0x16E1B88, device 0, offset 0xAE0000,
>>length 0x208: Operation Failed
>>flashfs[1]: sector ptr: {0x57, 0xEA}
>>%Error opening flash:info1 (No space left on device)
>>
>>but the last dir command shows me there is plenty of space :
>>
>>
>>OTOH no problems with 12.2(25)SED on C3550-24PWR.
>>
>>
>>But I do not have any problem on all other 2970 we are using with the same
>>image (c2970-lanbasek9-mz.122-25.SED.bin)
> 
> 
> one of our 3750's (24 port gig copper with 4 fibres) has just died in
> wierd fashion. upon booting it gives us a 'this switch is unusable!'
> error on serial console and then dumps to login prompt. the config
> is not read (it is present) and the switch has loaded up. it just
> doesnt....well, switch! , this is the SEC verison of this release.
> 
> alan
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-- 
Brad Gould, Network Administrator
Internode
PO Box 284, Rundle Mall 5000
Level 3, 132 Grenfell Street, Adelaide 5000
P: 08 8228 2999  F: 08 8235 6999
bradley at internode.com.au; http://www.internode.on.net/