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Subject[Bug 401] New: ISAPNP sleeping function called from illegal context
http://bugme.osdl.org/show_bug.cgi?id=401

Summary: ISAPNP sleeping function called from illegal context
Kernel Version: 2.5.62-bk7
Status: NEW
Severity: low
Owner: ambx1@neo.rr.com
Submitter: bwindle-kbt@fint.org


Distribution: Debian Testing
Hardware Environment: x86
Software Environment:
CONFIG_PCI=y
CONFIG_PCI_NAMES=y
CONFIG_ISA=y
CONFIG_PNP=y
CONFIG_PNP_NAMES=y
CONFIG_PNP_CARD=y
CONFIG_ISAPNP=y
CONFIG_PNPBIOS=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_STACKOVERFLOW=y
CONFIG_DEBUG_SLAB=y
CONFIG_DEBUG_IOVIRT=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_SPINLOCK=y
CONFIG_KALLSYMS=y
CONFIG_DEBUG_SPINLOCK_SLEEP=y
CONFIG_FRAME_POINTER=y

Problem Description:
2.5.62-bk7 prints this on bootup. Last kernel tried, bk4, doesn't do this.

isapnp: Scanning for PnP cards...
Debug: sleeping function called from illegal context at mm/slab.c:1617
Call Trace:
[<c0118ccc>] __might_sleep+0x54/0x58
[<c013d89b>] kmalloc+0x5f/0x140
[<c01f9633>] pnp_alloc+0x13/0x54
[<c01fb6ef>] pnp_add_change+0x13/0x84
[<c01fba76>] pnp_next_config+0x2a/0xcc
[<c01fbc5c>] pnp_advanced_config+0x144/0x2a8
[<c01fc2c6>] pnp_auto_config_dev+0x3e/0x44
[<c01f9b86>] __pnp_add_device+0x18a/0x1ac
[<c01fee3c>] pnpc_add_card+0x204/0x21c
[<c010519b>] init+0xc3/0x288
[<c01050d8>] init+0x0/0x288
[<c01071f1>] kernel_thread_helper+0x5/0xc

isapnp: Card 'SYM 53C416'
isapnp: Card 'CS4236B'
isapnp: 2 Plug & Play cards detected total



Steps to reproduce:

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