Sleeping function called from illegal context...

From: Greg KH (greg@kroah.com)
Date: Fri Sep 27 2002 - 18:30:44 EST


So I got bold and enabled CONFIG_PREEMPT in 2.5.39, and got the
following message at boot time:

Sleeping function called from illegal context at slab.c:1374
c12a5ea8 c0117a26 c0296260 c0298202 0000055e c1283060 c013ab4f c0298202
       0000055e c03b668c 00000002 00000003 c01ff5ec c03b668c 00000042 c12838e0
       c12838e0 c12838e0 00000246 cfdee214 c0207830 04000000 c03b65f0 c0109be2
Call Trace:
 [<c0117a26>]__might_sleep+0x56/0x5d
 [<c013ab4f>]kmalloc+0x4f/0x330
 [<c01ff5ec>]piix_tune_chipset+0x33c/0x350
 [<c0207830>]ide_intr+0x0/0x320
 [<c0109be2>]request_irq+0x52/0xa0
 [<c0200a33>]init_irq+0x263/0x400
 [<c0207830>]ide_intr+0x0/0x320
 [<c0200edc>]hwif_init+0x10c/0x260
 [<c02006ad>]probe_hwif_init+0x1d/0x70
 [<c02121d1>]ide_setup_pci_device+0x41/0x70
 [<c01ff7a5>]piix_init_one+0x35/0x40
 [<c010511b>]init+0x8b/0x250
 [<c0105090>]init+0x0/0x250
 [<c01055f9>]kernel_thread_helper+0x5/0xc

kksymoops is very nice :)

The system still seems to be running ok, but I think I'll turn off
CONFIG_PREEMPT just to be sure.

This is a SMP kernel running on a UP box. Other configuration options
available if needed.

thanks,

greg k-h
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