[PATCH] Workaround very slow nss_winbind, fix crash on the AD DC (particularly for backups)
Andrew Bartlett
abartlet at samba.org
Fri Jun 21 01:18:14 MDT 2013
On Fri, 2013-06-21 at 05:58 +0000, Philippe.Simonet at swisscom.com wrote:
> Hi Andrew,
>
> many thanks for you patch,
> i tested it on 2 different systems but without success (the crash is always happening).
>
> before applying the patch, I had a strange problem : I couldn't reproduce the problem (with wbinfo --uid-info 3000000)
> on one of the machine. no chance even if I reinstall, re-provision, ...). I finally reboot the machine and after the reboot the crash
> was reproduceable again (...)
Thank you for finally getting back to me on this. After seeing it once,
I was also unable to reproduce the crash, and so was patching blind.
This remains illusive.
Does this alternative patch help?
> on both machines, what I've done :
> (...untar...)
> cd samba-4.0.6
> patch -p1 < 0001-s4-winbind-Add-special-case-for-BUILTIN-domain.patch
> ./configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var --enable-fhs
> make
> make install
> rm /etc/samba/smb.conf
> samba-tool domain provision --dns-backend=BIND9_FLATFILE --server-role=dc --realm TEST.CH --domain TEST --adminpass=Pa$$w0rd
> samba -i -M single
>
> and ->>> wbinfo --uid-info 3000000
>
> I get :
> ---------------------
> samba version 4.0.6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2012
> samba: using 'single' process model
> Attempting to autogenerate TLS self-signed keys for https for hostname 'WZ3.test3.ch'
> TLS self-signed keys generated OK
> ===============================================================
> INTERNAL ERROR: Signal 11 in pid 4844 (4.0.6)
> Please read the Trouble-Shooting section of the Samba HOWTO
> ===============================================================
> PANIC: internal error
> Aborted
> ---------------------
>
> Best regards
>
> Philippe
Thanks,
Andrew Bartlett
--
Andrew Bartlett http://samba.org/~abartlet/
Authentication Developer, Samba Team http://samba.org
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