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kern/49120: RPI ld/sdmmc driver fails after a while



>Number:         49120
>Category:       kern
>Synopsis:       RPI ld/sdmmc driver fails after a while
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Aug 16 14:25:00 +0000 2014
>Originator:     kardel%netbsd.org@localhost
>Release:        NetBSD 7.99.1
>Organization:
        
>Environment:
System: NetBSD sensor 7.99.1 NetBSD 7.99.1 (RPISENSOR) #17: Sat Aug 16 09:16:30 
CEST 2014 
kardel@Andromeda:/usr/srcfresh/src/sys/arch/evbarm/compile/obj.evbarm/RPISENSOR 
evbarm
Architecture: earmv6hf
Machine: evbarm
>Description:
        Some time sources after 2014-07-31 the RPI started to fail to work on 
ld0 with I/O error an any transfer about 8-20h after boot.
>How-To-Repeat:
        Use source somewhat after 2014-07-31 (short before 7 branch). build an 
RPI system (evbarm/earmv6hf) and run for about 12-20h. Watch I/O on ld0 fail 
rendering the system unusable.

        NetBSD/evbarm (sensor) (console)

        login: root
        ld0a: error reading fsbn 688 of 688-703 (ld0 bn 385712; cn 188 tn 21 sn 
16)
        ld0a: error reading fsbn 1776 of 1776-1791 (ld0 bn 386800; cn 188 tn 55 
sn 16)
        ld0a: error reading fsbn 1776 of 1776-1791 (ld0 bn 386800; cn 188 tn 55 
sn 16)
        ld0a: error reading fsbn 1776 of 1776-1791 (ld0 bn 386800; cn 188 tn 55 
sn 16)
        Aug 16 06:46:28 sensor getty[3221]: /usr/bin/login: Input/output error
        ld0a: error reading fsbn 272 of 272-287 (ld0 bn 385296; cn 188 tn 8 sn 
16)
        ld0a: error reading fsbn 272 of 272-287 (ld0 bn 385296; cn 188 tn 8 sn 
16)
        ld0a: error reading fsbn 272 of 272-287 (ld0 bn 385296; cn 188 tn 8 sn 
16)
        ld0a: error reading fsbn 94480 of 94480-94495 (ld0 bn 479504; cn 234 tn 
8 sn 16)
        ld0a: error reading fsbn 641326 of 641326-641327 (ld0 bn 1026350; cn 
501 tn 9 sn 14)
        ld0a: error reading fsbn 641326 of 641326-641327 (ld0 bn 1026350; cn 
501 tn 9 sn 14)
        ld0a: error reading fsbn 94480 of 94480-94495 (ld0 bn 479504; cn 234 tn 
8 sn 16)
        ld0a: error reading fsbn 94480 of 94480-94495 (ld0 bn 479504; cn 234 tn 
8 sn 16)
        ld0a: error reading fsbn 1360 of 1360-1375 (ld0 bn 386384; cn 188 tn 42 
sn 16)
        ld0a: error reading fsbn 94480 of 94480-94495 (ld0 bn 479504; cn 234 tn 
8 sn 16)
        ld0a: error reading fsbn 641326 of 641326-641327 (ld0 bn 1026350; cn 
501 tn 9 sn 14)
        ld0a: error reading fsbn 641326 of 641326-641327 (ld0 bn 1026350; cn 
501 tn 9 sn 14)
        ld0a: error reading fsbn 94480 of 94480-94495 (ld0 bn 479504; cn 234 tn 
8 sn 16)
        ld0a: error reading fsbn 94480 of 94480-94495 (ld0 bn 479504; cn 234 tn 
8 sn 16)
        ld0a: error reading fsbn 5632 of 5632-5647 (ld0 bn 390656; cn 190 tn 48 
sn 0)
        ld0a: error reading fsbn 1776 of 1776-1791 (ld0 bn 386800; cn 188 tn 55 
sn 16)
        ld0a: error reading fsbn 1776 of 1776-1791 (ld0 bn 386800; cn 188 tn 55 
sn 16)
        ld0a: error reading fsbn 1776 of 1776-1791 (ld0 bn 386800; cn 188 tn 55 
sn 16)
        ld0a: error reading fsbn 524730 of 524730-524731 (ld0 bn 909754; cn 444 
tn 13 sn 26)
        ld0a: error reading fsbn 1776 of 1776-1791 (ld0 bn 386800; cn 188 tn 55 
sn 16)
        ld0a: error reading fsbn 1776 of 1776-1791 (ld0 bn 386800; cn 188 tn 55 
sn 16)
        ld0a: error reading fsbn 1776 of 1776-1791 (ld0 bn 386800; cn 188 tn 55 
sn 16)

>Fix:
        revert back to source around 2017-07-31 or before. (so HW is probably 
not at fault)



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