Rafael J. Wysocki napsal(a): > On Sunday 30 July 2006 02:06, Pavel Machek wrote: >> Hi! >> >>>>>>> I have problems with swsusp again. While suspending, the very last thing kernel >>>>>>> writes is 'restoring higmem' and then hangs, hardly. No sysrq response at all. >>>>>>> Here is a snapshot of the screen: >>>>>>> http://www.fi.muni.cz/~xslaby/sklad/swsusp_higmem.gif >>>>>>> >>>>>>> It's SMP system (HT), higmem enabled (1 gig of ram). >>>>>> Most probably it hangs in device_power_up(), so the problem seems to be >>>>>> with one of the devices that are resumed with IRQs off. >>>>>> >>>>>> Does vanila .18-rc2 work? >>>>> Yup, it does. >>>> Can you try up kernel, no highmem? (mem=512M)? >>> It writes then: >>> p16v: status 0xffffffff, mask 0x00001000, pvoice f7c04a20, use 0 >>> in endless loop when resuming -- after reading from swap. >> Okay, so we have two different problems here. >> >> One is "hang during suspend" with smp/highmem mode, > > That one is "interesting". I've no idea why the restoration of highmem would > have caused the box to hang like that. Jiri, could you please post the output > of dmesg after a fresh boot? higmem is ok. ioapic0 is the culprit -- its class resume dies: if (cls->resume) cls->resume(dev); <---- in __sysdev_resume >> and one is probably driver problem with p16v (whatever it is). >> >> /data/l/linux/sound/pci/emu10k1/irq.c: >> snd_printk(KERN_ERR "p16v: status: 0x%08x, mask=0x%08x, pvoice=%p, >> use=%d\n", status2, mask, pvoice, pvoice->use); >> >> ...aha, so you may want to unload emu10k1 for testing. Sure, this helped. >> Since you mention radeon in one of your other mails, just try it in >> vesafb mode... > > Yes. Or just don't compile the radeon driver and see what happens. Doesn't matter. I do not use graphics (fb) in console -- radeon was not inited at all, it was bad tip. regards, -- <a href="http://www.fi.muni.cz/~xslaby/";>Jiri Slaby</a> faculty of informatics, masaryk university, brno, cz e-mail: jirislaby gmail com, gpg pubkey fingerprint: B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E
