Begin forwarded message:
Date: Fri, 2 Jul 2004 10:32:47 -0700
From: bugme-daemon@xxxxxxxx
To: bugme-new@xxxxxxxxxxxxxx
Subject: [Bugme-new] [Bug 3003] New: might_sleep warning when setting up IPSec
with IPCOMP
http://bugme.osdl.org/show_bug.cgi?id=3003
Summary: might_sleep warning when setting up IPSec with IPCOMP
Kernel Version: 2.6.7
Status: NEW
Severity: normal
Owner: niv@xxxxxxxxxx
Submitter: christophe@xxxxxxxx
CC: christophe@xxxxxxxx
Linux 2.6.7 on x86, UP preempt
Using OpenSWAN for IPSec tunnel with IP-Compression enabled.
Often gives the following warning shortly after a connection has been set up:
I'm not exactly sure whether this is cryptoapi or the compression module or
IPCOMP's fault.
Jul 2 18:39:04 websrv Debug: sleeping function called from invalid context at
mm/slab.c:1994
Jul 2 18:39:04 websrv in_atomic():1, irqs_disabled():0
Jul 2 18:39:04 websrv [<c0106c37>] dump_stack+0x17/0x20
Jul 2 18:39:04 websrv [<c0118fb4>] __might_sleep+0xb4/0xe0
Jul 2 18:39:04 websrv [<c0139fbc>] kmem_cache_alloc+0x5c/0x60
Jul 2 18:39:04 websrv [<c0147bc0>] __get_vm_area+0x20/0xf0
Jul 2 18:39:04 websrv [<c0147cb4>] get_vm_area+0x24/0x30
Jul 2 18:39:04 websrv [<c0147f1c>] __vmalloc+0x3c/0x100
Jul 2 18:39:04 websrv [<c01ecdca>] deflate_comp_init+0x4a/0xf0
Jul 2 18:39:04 websrv [<c01ecf44>] deflate_compress+0x24/0x80
Jul 2 18:39:04 websrv [<c01e8a84>] crypto_compress+0x24/0x30
Jul 2 18:39:04 websrv [<c031744c>] ipcomp_compress+0x6c/0x110
Jul 2 18:39:04 websrv [<c0317681>] ipcomp_output+0xc1/0x370
Jul 2 18:39:04 websrv [<c02e684e>] dst_output+0xe/0x30
Jul 2 18:39:04 websrv [<c02d684a>] nf_hook_slow+0xfa/0x170
Jul 2 18:39:04 websrv [<c02e4d12>] ip_queue_xmit+0x452/0x540
Jul 2 18:39:04 websrv [<c02f48af>] tcp_transmit_skb+0x3ef/0x660
Jul 2 18:39:04 websrv [<c02f558b>] tcp_write_xmit+0x15b/0x2c0
Jul 2 18:39:04 websrv [<c02ea255>] tcp_sendmsg+0x4e5/0x1030
Jul 2 18:39:04 websrv [<c0309ec7>] inet_sendmsg+0x47/0x60
Jul 2 18:39:04 websrv [<c02c5fee>] sock_aio_write+0xae/0xd0
Jul 2 18:39:04 websrv [<c014d1b6>] do_sync_write+0x76/0xb0
Jul 2 18:39:04 websrv [<c014d2bb>] vfs_write+0xcb/0xf0
Jul 2 18:39:04 websrv [<c014d375>] sys_write+0x35/0x60
Jul 2 18:39:04 websrv [<c0105e3d>] sysenter_past_esp+0x52/0x71
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