At Thu, 17 Jul 2003 11:08:03 +0200, Ernst Persson wrote: > > Hi all! > > Now that the 2.6.0 kernel is out I'm trying to get ALSA working on my iMac > 266, since it's the default sound system now (and dmasound doesn't compile). > > The first problem was that everything locked up when the ALSA drivers loaded. > No error message, no kernel panic, just dead. And compiling ALSA with debug > didn't help either. > > After some debugging I found out that the driver crashed here, in > sound/ppc/burgundy.c in int __init snd_pmac_burgundy_init(pmac_t *chip) > > #ifdef PMAC_SUPPORT_AUTOMUTE > > printk(KERN_INFO "Automute Enabled.\n"); > > if ((err = snd_pmac_add_automute(chip)) < 0) > return err; > > chip->detect_headphone = snd_pmac_burgundy_detect_headphone; > chip->update_automute = snd_pmac_burgundy_update_automute; > snd_pmac_burgundy_update_automute(chip, 0); /* update the status only */ > #endif > So I commented out //#define PMAC_SUPPORT_AUTOMUTE in pmac.h and after that > the driver loaded without problems. > > But as soon as I touch any mixer (both the oss-emulated or with alsamixer) > everything locks up again, in exactly the same way.
it seems that extend extend_wait() function waits for an infinite loop. could you try the attached patch? Takashi
burgundy-fix.dif
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