On Tue, 25 Sep 2007 00:52:30 +1000 Reuben Farrelly <[EMAIL PROTECTED]> wrote:
> > > On 24/09/2007 7:17 PM, Andrew Morton wrote: > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.23-rc7/2.6.23-rc7-mm1/ > > > > - New git tree git-powerpc-galak.patch added to the -mm lineup: ppc32 > > things, mainly (Kumar Gala <[EMAIL PROTECTED]>) > > I'm observing a problem with this kernel (as well as 2.6.23-rc6-mm1) which > manifests itself only in my Postfix/application mail.logs: > > Sep 25 00:25:40 tornado postfix/smtp[12520]: fatal: select lock: Cannot > allocate > memory > Sep 25 00:25:41 tornado postfix/master[8002]: warning: process > /usr/lib64/postfix/smtp pid 12520 exit status 1 > > This is happening frequently with processes started via 'master' (smtp, smtpd > and cleanup), but it does not appear to have any noticeable operational > impact > apart from logging a lot of copies of this message. > > The corresponding code in Postfix which triggers this is (choice of 3 files > in > src/master are all possibilities which all have much the same code) > > /* > * The event loop, at last. > */ > while (var_use_limit == 0 || use_count < var_use_limit || client_count > > 0) { > if (multi_server_lock != 0) { > watchdog_stop(watchdog); > if (myflock(vstream_fileno(multi_server_lock), INTERNAL_LOCK, > MYFLOCK_OP_EXCLUSIVE) < 0) > msg_fatal("select lock: %m"); > } > watchdog_start(watchdog); > delay = loop ? loop(multi_server_name, multi_server_argv) : -1; > event_loop(delay); > } > multi_server_exit(); > } > > > Now I'm not convinced this is an application problem, because I'm only seeing > this after running up kernel 2.6.23-rc6-mm1 or 2.6.23-rc7-mm1 and with NO > changes to the application itself. Using the same application binaries it > does > not occur with 2.6.22 mainline. [I didn't get a lot of testing with the -mm > release prior to that unfortunately due to some other breakage.] > > Is there anything new in the last two or so -mm kernels which could have > caused > this? > > I've put my .config up at > http://www.reub.net/files/kernel/2.6.23-rc7-mm1.config ug. Lots of people have been futzing with the fs/locks.c code: cleanup-macros-for-distinguishing-mandatory-locks.patch fix-potential-oops-in-generic_setlease-v2.patch fix-potential-oops-in-generic_setlease.patch fs-locksc-use-list_for_each_entry-instead-of-list_for_each.patch git-nfs.patch git-nfsd.pc rework-proc-locks-via-seq_files-and-seq_list-helpers-fix-2.patch rework-proc-locks-via-seq_files-and-seq_list-helpers.patch slab-api-remove-useless-ctor-parameter-and-reorder-parameters.patch - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
