2.6.-test10: bad "__might_sleep" in ALSA sound drivers
From: Torrey Hoffman
Date: Mon Nov 24 2003 - 19:02:49 EST
I get this every time I boot 2.6.0-test10. I think this problem has
been around for a while.
Debug: sleeping function called from invalid context at
include/asm/semaphore.h:119
in_atomic():1, irqs_disabled():0
Call Trace:
[<c01229d0>] __might_sleep+0xab/0xc9
[<fcff57bd>] ap_cs8427_sendbytes+0x38/0xd2 [snd_ice1712]
[<fcfa825a>] snd_i2c_sendbytes+0x22/0x26 [snd_i2c]
[<fcfaf15e>] snd_cs8427_reg_read+0x2c/0x8c [snd_cs8427]
[<fcfaf414>] snd_cs8427_create+0xa4/0x347 [snd_cs8427]
[<c02dc4b0>] snd_device_new+0x20/0x6a
[<fcff151a>] snd_ice1712_init_cs8427+0x2f/0x6f [snd_ice1712]
[<fcff6153>] snd_ice1712_delta_init+0x230/0x2b9 [snd_ice1712]
[<fcff5227>] snd_ice1712_probe+0x323/0x34c [snd_ice1712]
[<c017360f>] dput+0x24/0x25f
[<c020c833>] pci_device_probe_static+0x4d/0x5e
[<c020c87c>] __pci_device_probe+0x38/0x4b
[<c020c8bb>] pci_device_probe+0x2c/0x48
[<c0272efd>] bus_match+0x3d/0x65
[<c0273016>] driver_attach+0x59/0x83
[<c02732df>] bus_add_driver+0x9e/0xb1
[<c020ca82>] pci_register_driver+0x6b/0x90
[<fcfa2015>] alsa_card_ice1712_init+0x15/0x4e [snd_ice1712]
[<c013cbc5>] sys_init_module+0x14f/0x233
[<c010b3e5>] sysenter_past_esp+0x52/0x71
The system is a P4 with HT, kernel has SMP & preempt enabled.
There are two sound cards. Here are all the snd_ drivers mentioned in
the output of lsmod:
snd_ice1712 55428 -
snd_ice17xx_ak4xxx 2880 -
snd_cs8427 8224 -
snd_i2c 4512 -
snd_ak4xxx_adda 4832 -
snd_intel8x0 28612 -
snd_ac97_codec 50660 -
snd_pcm 88352 -
snd_timer 22052 -
snd_page_alloc 8772 -
snd_mpu401_uart 6016 -
snd_rawmidi 20192 -
snd_seq_device 6440 -
--
Torrey Hoffman <thoffman@xxxxxxxxx>
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