I'm getting this repeatable BUG from sparc-next with almost all
kernel debugging options turned on shortly after booting:
Sep 24 21:19:45 ss20-1 kernel: BUG: sleeping function called from
invalid context at kernel/mutex.c:88
Sep 24 21:19:45 ss20-1 kernel: in_atomic():1, irqs_disabled():1
Sep 24 21:19:45 ss20-1 kernel: [f015c2bc : rtc_class_open+0x1c/0x7c ]
[f001b034 : timer_interrupt+0xc0/0x138 ] [f0017340 :
handler_irq+0xdc/0x148 ] [f0014774 : patch_handler_irq+0x0/0x24 ]
[f0018bb0 : cpu_idle+0x2c/0x38 ] [f001ddd8 : smp_do_cpu_idle+0x0/0x10 ]
[00000000 : 0x0 ]
Sep 24 21:19:45 ss20-1 kernel: ------------[ cut here ]------------
Sep 24 21:19:45 ss20-1 kernel: WARNING: at kernel/mutex.c:135
__mutex_lock_slowpath+0x44/0x238()
Sep 24 21:19:45 ss20-1 kernel: Modules linked in: ipv6 lp parport
sunlance sunhme loop sermouse evdev ext3 jbd sg sr_mod sd_mod cdrom
sun_esp esp_scsi scsi_transport_spi scsi_mod
Sep 24 21:19:45 ss20-1 kernel: [f0146710 : class_find_device+0x48/0xe8 ]
[f015c2bc : rtc_class_open+0x1c/0x7c ] [f001b034 :
timer_interrupt+0xc0/0x138 ] [f0017340 : handler_irq+0xdc/0x148 ]
[f0014774 : patch_handler_irq+0x0/0x24 ] [f0018bb0 : cpu_idle+0x2c/0x38
] [f001ddd8 : smp_do_cpu_idle+0x0/0x10 ] [00000000 : 0x0 ]
Sep 24 21:19:45 ss20-1 kernel: ---[ end trace 46346a150b775121 ]---
Let me know if you need more info.
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