From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joel Soete Subject: Re: [parisc-linux] Strange newest LAB msg? Date: Sun, 02 Apr 2006 14:29:23 +0000 Message-ID: <442FDFC3.8070408@tiscali.be> References: <200604021129.31095.deller@gmx.de> <442FB31A.5040308@tiscali.be> <200604021515.04424.deller@gmx.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Cc: parisc-linux@lists.parisc-linux.org To: Helge Deller Return-Path: In-Reply-To: <200604021515.04424.deller@gmx.de> List-ID: Helge Deller wrote: > On Sunday 02 April 2006 13:18, Joel Soete wrote: > [snip] > >>EXT3-fs: mounted filesystem with ordered data mode. >>VFS: Mounted root (ext3 filesystem) readonly. >>Freeing unused kernel memory: Badness in smp_call_function at /usr/src/linux-2.6.16.1-pa10/arch/parisc/kernel/smp.c:348 >>Backtrace: >> [<0000000010112900>] dump_stack+0x18/0x28 >> [<000000001011d9b4>] smp_call_function+0x37c/0x3c0 >> [<0000000010111c5c>] flush_data_cache+0x2c/0x48 >> [<00000000101109a8>] free_initmem+0x68/0x2f8 >> [<000000001010fb20>] init+0x858/0x8c8 >> [<000000001010347c>] ret_from_kernel_ >>(this latest 'Badness in smp_call_function ...' was there but seems to be harmless and the boot continue without showing any more >>IOREMAP info ;-) ) > > > WHAT'S THAT ? > Do we have some __init too much ? 337 smp_call_function (void (*func) (void *info), void *info, int retry, int wait) 338 { 339 struct smp_call_struct data; 340 unsigned long timeout; 341 static DEFINE_SPINLOCK(lock); 342 int retries = 0; 343 344 if (num_online_cpus() < 2) 345 return 0; 346 347 /* Can deadlock when called with interrupts disabled */ 348 WARN_ON(irqs_disabled()); 349 > I never tested SMP. > No pb ;-) > > >>PS: btw, rm CONFIG_DETECT_SOFTLOCKUP in the config doesn't help on this system ;<(: >>still hanging (this time without Softlockup msg) after only: >>top - 09:04:58 up 1 day, 16:26, 3 users, load average: 2.40, 2.26, 2.20 > > > I think the softlockups don't really matter. > Does your box hangs without SMP as well ? > well it did with b2k and n4k runing 64bit kernel with CONFIG_DETECT_SOFTLOCKUP=y && # CONFIG_SMP is not set but I need to verify now without CONFIG_DETECT_SOFTLOCKUP. (sorry I couldn't do it now but tomorrow morming; ok? Thanks, Joel