Begin forwarded message:

Date: Sun, 15 Aug 2004 00:02:44 -0700
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: [Bugme-new] [Bug 3215] New: Debug: sleeping function called from invalid 
context at mm/slab.c:1989


http://bugme.osdl.org/show_bug.cgi?id=3215

           Summary: Debug: sleeping function called from invalid context at
                    mm/slab.c:1989
    Kernel Version: 2.6.8
            Status: NEW
          Severity: normal
             Owner: [EMAIL PROTECTED]
         Submitter: [EMAIL PROTECTED]


Distribution: Slackware 10
Hardware Environment:
output of lspci:
00:00.0 Host bridge: ATI Technologies Inc AGP Bridge [IGP 320M] (rev 13)
00:01.0 PCI bridge: ATI Technologies Inc PCI Bridge [IGP 320M] (rev 01)
00:02.0 USB Controller: ALi Corporation USB 1.1 Controller (rev 03)
00:07.0 ISA bridge: ALi Corporation M1533 PCI to ISA Bridge [Aladdin IV]
00:08.0 Multimedia audio controller: ALi Corporation M5451 PCI AC-Link
Controller Audio Device (rev 02)
00:0a.0 CardBus bridge: Texas Instruments PCI1410 PC card Cardbus Controller
(rev 02)
00:0b.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL-8139/8139C/8139C+ (rev 20)
00:0c.0 Communication controller: Conexant HSF 56k HSFi Modem (rev 01)
00:0f.0 USB Controller: ALi Corporation USB 1.1 Controller (rev 03)
00:10.0 IDE interface: ALi Corporation M5229 IDE (rev c4)
00:11.0 Bridge: ALi Corporation M7101 PMU
01:05.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility U1

Software Environment: gcc version 3.3.4
Problem Description:
When i connet my motorola cellular phone to the usb port and start a GPRS
session, i start getting my syslog filled with:
Aug 15 08:38:57 dali kernel: Debug: sleeping function called from invalid contex
t at mm/slab.c:1989
Aug 15 08:38:57 dali kernel: in_atomic():1, irqs_disabled():0
Aug 15 08:38:57 dali kernel:  [<c0106af7>] dump_stack+0x17/0x20
Aug 15 08:38:57 dali kernel:  [<c011a45f>] __might_sleep+0x9f/0xb0
Aug 15 08:38:57 dali kernel:  [<c013ba39>] __kmalloc+0x89/0xa0
Aug 15 08:38:57 dali kernel:  [<d0d4bfb4>] ohci_urb_enqueue+0xb4/0x290 [ohci_hcd
]
Aug 15 08:38:57 dali kernel:  [<c02bfce5>] hcd_submit_urb+0xf5/0x180
Aug 15 08:38:57 dali kernel:  [<c02c05d5>] usb_submit_urb+0x1d5/0x250
Aug 15 08:38:57 dali kernel:  [<d0df5605>] acm_tty_write+0xb5/0x100 [cdc_acm]
Aug 15 08:38:57 dali kernel:  [<d0e0abc2>] ppp_async_push+0xd2/0x150 [ppp_async]
Aug 15 08:38:57 dali kernel:  [<d0e0aae1>] ppp_async_send+0x41/0x50 [ppp_async]
Aug 15 08:38:57 dali kernel:  [<d0e134aa>] ppp_push+0x7a/0xd0 [ppp_generic]
Aug 15 08:38:57 dali kernel:  [<d0e131a7>] ppp_send_frame+0x247/0x4d0 [ppp_gener
ic]
Aug 15 08:38:57 dali kernel:  [<d0e12f0c>] ppp_xmit_process+0x4c/0xa0 [ppp_gener
ic]
Aug 15 08:38:57 dali kernel:  [<d0e12c3c>] ppp_start_xmit+0xdc/0x230 [ppp_generi
c]
Aug 15 08:38:57 dali kernel:  [<c0334dbe>] qdisc_restart+0x4e/0xe0
Aug 15 08:38:57 dali kernel:  [<c0329e4e>] dev_queue_xmit+0x18e/0x220
Aug 15 08:38:57 dali kernel:  [<c0343542>] ip_finish_output2+0xe2/0x1e0
Aug 15 08:38:57 dali kernel:  [<c033266b>] nf_hook_slow+0xcb/0x120
Aug 15 08:38:57 dali kernel:  [<c0341221>] ip_finish_output+0x41/0x50
Aug 15 08:38:57 dali kernel:  [<c0343445>] dst_output+0x15/0x30
Aug 15 08:38:57 dali kernel:  [<c033266b>] nf_hook_slow+0xcb/0x120
Aug 15 08:38:57 dali kernel:  [<c0341852>] ip_queue_xmit+0x452/0x550
Aug 15 08:38:57 dali kernel:  [<c035082f>] tcp_transmit_skb+0x3ef/0x670
Aug 15 08:38:57 dali kernel:  [<c035128b>] tcp_write_xmit+0x15b/0x2b0
Aug 15 08:38:57 dali kernel:  [<c034ea33>] __tcp_data_snd_check+0xc3/0xe0
Aug 15 08:38:57 dali kernel:  [<c034f32a>] tcp_rcv_established+0x54a/0x750
Aug 15 08:38:57 dali kernel:  [<c035729a>] tcp_v4_do_rcv+0xea/0xf0
Aug 15 08:38:57 dali kernel:  [<c0357873>] tcp_v4_rcv+0x5d3/0x7e0
Aug 15 08:38:57 dali kernel:  [<c033eb94>] ip_local_deliver_finish+0xd4/0x1a0
Aug 15 08:38:57 dali kernel:  [<c033266b>] nf_hook_slow+0xcb/0x120
Aug 15 08:38:57 dali kernel:  [<c033e8a1>] ip_local_deliver+0x51/0x60
Aug 15 08:38:57 dali kernel:  [<c033ee38>] ip_rcv_finish+0x1d8/0x260
Aug 15 08:38:57 dali kernel:  [<c033266b>] nf_hook_slow+0xcb/0x120
Aug 15 08:38:57 dali kernel:  [<c033ea19>] ip_rcv+0x169/0x210
Aug 15 08:38:57 dali kernel:  [<c032a32d>] netif_receive_skb+0x1ad/0x210
Aug 15 08:38:57 dali kernel:  [<c032a40e>] process_backlog+0x7e/0x100
Aug 15 08:38:57 dali kernel:  [<c032a4f5>] net_rx_action+0x65/0xe0
Aug 15 08:38:57 dali kernel:  [<c011f87a>] __do_softirq+0x7a/0x80
Aug 15 08:38:57 dali kernel:  [<c011f8ac>] do_softirq+0x2c/0x30
Aug 15 08:38:57 dali kernel:  [<c010801f>] do_IRQ+0xcf/0xf0
Aug 15 08:38:57 dali kernel:  [<c01066a0>] common_interrupt+0x18/0x20
Aug 15 08:38:57 dali kernel:  [<c01040d4>] cpu_idle+0x34/0x40
Aug 15 08:38:57 dali kernel:  [<c04b673a>] start_kernel+0x15a/0x1a0
Aug 15 08:38:57 dali kernel:  [<c010019f>] 0xc010019f

and after some time, the computer hangs.

the problem does not exist in kernel version 2.6.7

Steps to reproduce:

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