Re: BUG #7883: "PANIC: WAL contains references to invalid pages" on replica recovery

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От Maciek Sakrejda
Тема Re: BUG #7883: "PANIC: WAL contains references to invalid pages" on replica recovery
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Msg-id CAKwe89AJRwsNhVgrCVPxk1cHgayb1XBcVZuGhS8pWkwFp=i-DQ@mail.gmail.com
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Ответ на Re: BUG #7883: "PANIC: WAL contains references to invalid pages" on replica recovery  (Heikki Linnakangas <hlinnakangas@vmware.com>)
Ответы Re: BUG #7883: "PANIC: WAL contains references to invalid pages" on replica recovery  (Daniel Farina <daniel@heroku.com>)
Список pgsql-bugs
On Fri, Feb 15, 2013 at 7:10 AM, Heikki Linnakangas <hlinnakangas@vmware.co=
m
> wrote:

> Hmm, that sure looks like the same issue Kyotaro HORIGUCHI reported (
> http://www.postgresql.org/message-id/20121206.130458.170549097.horiguchi.=
kyotaro@lab.ntt.co.jp),
> but that was fixed in 9.1.8. Maybe there's some corner case where it's
> still not working.
>

We reproduce it on a separate replica with the same base backup. Tried a
new base backup; that worked.


> Did you keep a copy of the WAL involved? Any chance of running xlogdump o=
n
> it, and posting the results, or just sending over the WAL files so I coul=
d
> take a look?
>

Yes, we have the WAL. I can't share it as it's customer data. I tried
setting up xlogdump (this, yes? https://github.com/snaga/xlogdump ), but
ran into problems building it (tag REL0_5_2):

root@host:/home/heroku/xlogdump# PATH=3D/usr/lib/postgresql/9.1/bin:$PATH
USE_PGXS=3D1 make
gcc -g -O2 -fstack-protector --param=3Dssp-buffer-size=3D4 -Wformat
-Wformat-security -Werror=3Dformat-security -fPIC -Wall -Wmissing-prototype=
s
-Wpointer-arith -Wdeclaration-after-statement -Wendif-labels
-Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=3Dstandar=
d
-g -I/usr/include/postgresql -DDATADIR=3D\"/usr/share/postgresql/9.1\" -I.
-I. -I/usr/include/postgresql/9.1/server -I/usr/include/postgresql/internal
-D_FORTIFY_SOURCE=3D2 -DLINUX_OOM_ADJ=3D0 -D_GNU_SOURCE -I/usr/include/libx=
ml2
-I/usr/include/tcl8.5  -c -o xlogdump.o xlogdump.c
xlogdump.c: In function =91ReadRecord=92:
xlogdump.c:321:7: warning: format =91%u=92 expects argument of type =91unsi=
gned
int=92, but argument 3 has type =91long unsigned int=92 [-Wformat]
xlogdump.c: At top level:
xlogdump.c:865:1: error: conflicting types for =91ExceptionalCondition=92
/usr/include/postgresql/postgres.h:686:13: note: previous declaration of
=91ExceptionalCondition=92 was here
make: *** [xlogdump.o] Error 1

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