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Subject'scheduling while atomic' during ppp connection on 2.6.37.1 and 2.6.38
Hi,

when I am connected to Internet through ppp connection by nozomi driver (PCMCIA Option N.V. Qualcomm MSM6275 UMTS chip) for almost every minute I get such messages on all terminal and opened xterms. In any other scenario - connection via Ethernet or WiFi issue not exists.


(Please add my e-mail address to CC when you will reply to this message! Thx!)


Message from syslogd@granit at Sat Mar 19 22:48:50 2011 ...
granit kernel: [ 8176.570123] Stack:

Message from syslogd@granit at Sat Mar 19 22:48:50 2011 ...
granit kernel: [ 8176.570168] Code: ff 0d fa 19 00 00 e8 59 1f fe e0 48 89 c7 b9 e8 03 00 00 31 d2 4c 29 e7 48 89 f8 48 f7 f1 49 89 c4 e8 17 fe fd e0 fb 80 7b 08 01 <74> 0f 48 8b 04 25 48 10 75 81 83 88 3c e0 ff ff 04 ff 43 18 31

Message from syslogd@granit at Sat Mar 19 22:48:50 2011 ...
granit kernel: [ 8176.569158] Call Trace:

Message from syslogd@granit at Sat Mar 19 22:48:50 2011 ...
granit kernel: [ 8176.569186] Code: df e8 ca fc ff ff e8 7b 1e fe e0 48 89 c7 b9 e8 03 00 00 31 d2 4c 29 e7 48 89 f8 48 f7 f1 49 89 c4 e8 39 fd fd e0 fb 80 7b 08 01 <74> 0f 48 8b 04 25 48 10 75 81 83 88 3c e0 ff ff 04 ff 43 18 31

Message from syslogd@granit at Sat Mar 19 22:48:50 2011 ...
granit kernel: [ 8176.570139] Call Trace:

Message from syslogd@granit at Sat Mar 19 22:48:50 2011 ...
granit kernel: [ 8176.569140] Stack:

--------------------------------
dmesg returned:

[ 9229.131031] BUG: scheduling while atomic: firefox-bin/1992/0x10000800
[ 9229.131035] Modules linked in: ppp_async crc_ccitt ppp_generic slhc snd_hda_codec_realtek ath5k ath processor battery ac snd_hda_intel r8169 sdhci_pci sparse_keymap sdhci snd_hda_codec mmc_core nozomi container snd_hwdep
[ 9229.131076] Pid: 1992, comm: firefox-bin Not tainted 2.6.38 #1
[ 9229.131079] Call Trace:
[ 9229.131089] [] ? schedule+0x67/0x3db
[ 9229.131095] [] ? nf_conntrack_tuple_taken+0xa2/0xad
[ 9229.131102] [] ? __cond_resched+0x1c/0x25
[ 9229.131105] [] ? _cond_resched+0x16/0x20
[ 9229.131109] [] ? mutex_lock+0xe/0x21
[ 9229.131116] [] ? ntty_write+0x5d/0x192 [nozomi]
[ 9229.131121] [] ? __mod_timer.clone.30+0xbe/0xcc
[ 9229.131126] [] ? check_preempt_curr+0x60/0x6d
[ 9229.131130] [] ? __nf_ct_refresh_acct+0x75/0xbe
[ 9229.131135] [] ? ppp_async_push+0xa9/0x3bd [ppp_async]
[ 9229.131140] [] ? ppp_async_send+0x34/0x40 [ppp_async]
[ 9229.131146] [] ? ppp_push+0x6c/0x4f9 [ppp_generic]
[ 9229.131152] [] ? selinux_ip_postroute+0x3d/0x210
[ 9229.131156] [] ? ipt_do_table+0x300/0x328
[ 9229.131162] [] ? _local_bh_enable_ip.clone.10+0x1f/0x88
[ 9229.131166] [] ? ipt_do_table+0x300/0x328
[ 9229.131171] [] ? ppp_xmit_process+0x3f5/0x472 [ppp_generic]
[ 9229.131176] [] ? ppp_start_xmit+0x155/0x174 [ppp_generic]
[ 9229.131181] [] ? dev_hard_start_xmit+0x3c7/0x4a0
[ 9229.131186] [] ? sch_direct_xmit+0x3e/0xee
[ 9229.131190] [] ? dev_queue_xmit+0x1cd/0x322
[ 9229.131194] [] ? ip_queue_xmit+0x2d4/0x330
[ 9229.131200] [] ? file_update_time+0x30/0x101
[ 9229.131204] [] ? tcp_transmit_skb+0x6ee/0x721
[ 9229.131208] [] ? tcp_write_xmit+0x765/0x851
[ 9229.131213] [] ? __alloc_skb+0x81/0x121
[ 9229.131217] [] ? __tcp_push_pending_frames+0x18/0x44
[ 9229.131221] [] ? tcp_close+0x127/0x2f7
[ 9229.131226] [] ? inet_release+0x53/0x5c
[ 9229.131231] [] ? sock_release+0x19/0x6e
[ 9229.131234] [] ? sock_close+0x22/0x29
[ 9229.131239] [] ? fput+0xf8/0x19a
[ 9229.131243] [] ? filp_close+0x5d/0x68
[ 9229.131246] [] ? sys_close+0x6f/0x9e
[ 9229.131251] [] ? system_call_fastpath+0x16/0x1b
[ 9261.546054] BUG: scheduling while atomic: firefox-bin/1983/0x10000900
[ 9261.546057] Modules linked in: ppp_async crc_ccitt ppp_generic slhc snd_hda_codec_realtek ath5k ath processor battery ac snd_hda_intel r8169 sdhci_pci sparse_keymap sdhci snd_hda_codec mmc_core nozomi container snd_hwdep
[ 9261.546077] CPU 0
[ 9261.546078] Modules linked in: ppp_async crc_ccitt ppp_generic slhc snd_hda_codec_realtek ath5k ath processor battery ac snd_hda_intel r8169 sdhci_pci sparse_keymap sdhci snd_hda_codec mmc_core nozomi container snd_hwdep
[ 9261.546094]
[ 9261.546097] Pid: 1983, comm: firefox-bin Not tainted 2.6.38 #1 TOSHIBA Satellite A135/IAKAA
[ 9261.546103] RIP: 0033:[<00007f61448c9325>] [<00007f61448c9325>] 0x7f61448c93
25
[ 9261.546111] RSP: 002b:00007fffba8d5a10 EFLAGS: 00000246
[ 9261.546114] RAX: 0000000000000000 RBX: 000000000000fe2e RCX: 000000000000000c
[ 9261.546117] RDX: 0000000000000001 RSI: 0000000000000003 RDI: 0000000000000003
[ 9261.546120] RBP: 00007f611b0015f0 R08: 00007f6144bc5040 R09: 00000000000007bf
[ 9261.546123] R10: 00007f6135987c00 R11: 00007f6143528406 R12: ffffffff8100310e
[ 9261.546126] R13: 00007fffba8d4c00 R14: 00007f6135987c00 R15: 00007f6135987c00
[ 9261.546130] FS: 00007f6144cc6760(0000) GS:ffffffff81754000(0000) knlGS:0000000000000000
[ 9261.546134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9261.546137] CR2: 00007f611f167000 CR3: 000000002e51d000 CR4: 00000000000006f0
[ 9261.546140] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9261.546143] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 9261.546147] Process firefox-bin (pid: 1983, threadinfo ffff88002e70c000, task ffff88002e697690)
[ 9261.546150]
[ 9261.546151] Call Trace:
[ 9261.547048] BUG: scheduling while atomic: firefox-bin/1983/0x10000900
[ 9261.547052] Modules linked in: ppp_async crc_ccitt ppp_generic slhc snd_hda_codec_realtek ath5k ath processor battery ac snd_hda_intel r8169 sdhci_pci sparse_keymap sdhci snd_hda_codec mmc_core nozomi container snd_hwdep
[ 9261.547070] CPU 0
[ 9261.547071] Modules linked in: ppp_async crc_ccitt ppp_generic slhc snd_hda_codec_realtek ath5k ath processor battery ac snd_hda_intel r8169 sdhci_pci sparse_keymap sdhci snd_hda_codec mmc_core nozomi container snd_hwdep
[ 9261.547086]
[ 9261.547090] Pid: 1983, comm: firefox-bin Not tainted 2.6.38 #1 TOSHIBA Satellite A135/IAKAA
[ 9261.547095] RIP: 0033:[<00007f6143be649c>] [<00007f6143be649c>] 0x7f6143be649c
[ 9261.547102] RSP: 002b:00007fffba8d44c8 EFLAGS: 00000246
[ 9261.547105] RAX: 00007f6134d32120 RBX: 000000000000fe2e RCX: fffbff61234c8068
[ 9261.547109] RDX: 00007f6135bfe1c8 RSI: 00007f6135987c00 RDI: 0000000000000000
[ 9261.547112] RBP: 00007fffba8d4fe0 R08: 0000000000000001 R09: 00000000000007bf
[ 9261.547115] R10: 0000000000000000 R11: 00007f61437786fd R12: ffffffff8100310e
[ 9261.547118] R13: 00007fffba8d4c00 R14: 00007f6135987c00 R15: 00007f6135987c00
[ 9261.547122] FS: 00007f6144cc6760(0000) GS:ffffffff81754000(0000) knlGS:0000000000000000
[ 9261.547125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9261.547128] CR2: 00007f611f167000 CR3: 000000002e51d000 CR4: 00000000000006f0
[ 9261.547132] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9261.547135] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 9261.547138] Process firefox-bin (pid: 1983, threadinfo ffff88002e70c000, task ffff88002e697690)
[ 9261.547141]
[ 9261.547142] Call Trace:
[ 9357.607036] BUG: scheduling while atomic: swapper/0/0x10000900
[ 9357.607040] Modules linked in: ppp_async crc_ccitt ppp_generic slhc snd_hda_codec_realtek ath5k ath processor battery ac snd_hda_intel r8169 sdhci_pci sparse_keymap sdhci snd_hda_codec mmc_core nozomi container snd_hwdep
[ 9357.607059] CPU 0
[ 9357.607060] Modules linked in: ppp_async crc_ccitt ppp_generic slhc snd_hda_codec_realtek ath5k ath processor battery ac snd_hda_intel r8169 sdhci_pci sparse_keymap sdhci snd_hda_codec mmc_core nozomi container snd_hwdep
[ 9357.607076]
[ 9357.607079] Pid: 0, comm: swapper Not tainted 2.6.38 #1 TOSHIBA Satellite A135/IAKAA
[ 9357.607085] RIP: 0010:[] [] acpi_idle_enter_bm+0x1ba/0x1ed [processor]
[ 9357.607095] RSP: 0018:ffffffff8173bf18 EFLAGS: 00000246
[ 9357.607098] RAX: 00000882bcd77470 RBX: 00000000ffffffff RCX: 00000882bccf66b0
[ 9357.607102] RDX: 00000882bcd77470 RSI: 00000882bcd77470 RDI: 0000000000000035
[ 9357.607105] RBP: ffff88003c26e000 R08: 0000000000000000 R09: 00000000000000bb
[ 9357.607108] R10: 0000000000000001 R11: dead000000200200 R12: ffffffff8153b30e
[ 9357.607111] R13: 00000000000000bb R14: ffffffff8104dbb6 R15: 0000000000000000
[ 9357.607115] FS: 0000000000000000(0000) GS:ffffffff81754000(0000) knlGS:0000000000000000
[ 9357.607119] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 9357.607122] CR2: 00007f5446b5f000 CR3: 000000003ba9c000 CR4: 00000000000006f0
[ 9357.607125] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9357.607128] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 9357.607132] Process swapper (pid: 0, threadinfo ffffffff8173a000, task ffffffff8174c040)
[ 9357.607134] Stack:
[ 9357.607138] ffffffff810485c3 0000000000003e80 ffff88003c26e020 ffff88003c26e020
[ 9357.607143] ffff88003c26e150 ffff88003f67a380 ffffffffffffffff ffffffff813e357a
[ 9357.607147] ffffffff817f7b60 ffffffff8173a000 ffffffff817f7b60 ffffffff81001272
[ 9357.607152] Call Trace:
[ 9357.607160] [] ? pm_qos_request+0x23/0x48
[ 9357.607168] [] ? cpuidle_idle_call+0x87/0xc4
[ 9357.607173] [] ? cpu_idle+0x79/0x9b
[ 9357.607178] [] ? start_kernel+0x388/0x393
[ 9357.607182] [] ? x86_64_start_kernel+0xfa/0x100
[ 9357.607184] Code: ff 0d fa 19 00 00 e8 59 7f fa e0 48 89 c7 b9 e8 03 00 00 31 d2 4c 29 e7 48 89 f8 48 f7 f1 49 89 c4 e8 17 5e fa e0 fb 80 7b 08 01 <74> 0f 48 8b 04 25 48 30 75 81 83 88 3c e0 ff ff 04 ff 43 18 31
[ 9357.607215] Call Trace:
[ 9357.607219] [] ? pm_qos_request+0x23/0x48
[ 9357.607223] [] ? cpuidle_idle_call+0x87/0xc4
[ 9357.607227] [] ? cpu_idle+0x79/0x9b
[ 9357.607231] [] ? start_kernel+0x388/0x393
[ 9357.607235] [] ? x86_64_start_kernel+0xfa/0x100
---------------------------------------------------
found on Slackware 13.1

bash-4.1$ uname -a
Linux granit 2.6.38 #3 Sat Mar 19 19:39:42 CET 2011 x86_64 Intel(R) Celeron(R) M CPU 520 @ 1.60GHz GenuineIntel GNU/Linux

glibc-2.11.1

-------------------------------------------------
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