Hi, While updating my fedora rawhide installation, I got the Ooops listed at the end of the Email. Is this a known bug (I didn't find anything specific), or should I file a bug?
Thank you in advance, Clemens Feb 10 10:59:45 testbox kernel: [ 524.495751] BUG: unable to handle kernel NULL pointer dereference at (null) Feb 10 10:59:45 testbox kernel: [ 524.496006] IP: [<c04267a2>] kmap_atomic_prot+0x1c/0x111 Feb 10 10:59:45 testbox kernel: [ 524.496006] *pde = 00000000 Feb 10 10:59:45 testbox kernel: [ 524.496006] Oops: 0000 [#1] SMP Feb 10 10:59:45 testbox kernel: [ 524.496006] last sysfs file: /sys/devices/system/cpu/cpu1/cache/index2/shared_cpu_map Feb 10 10:59:45 testbox kernel: [ 524.496006] Modules linked in: sunrpc cpufreq_ondemand acpi_cpufreq mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables snd_hda_codec_si3054 snd_hda_codec_realtek arc4 snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device iwl3945 snd_pcm iwlcore mac80211 snd_timer ppdev e1000e snd cfg80211 parport_pc soundcore iTCO_wdt toshiba_bluetooth joydev parport snd_page_alloc toshiba_acpi microcode iTCO_vendor_support sparse_keymap rfkill uinput ipv6 btrfs zlib_deflate libcrc32c sdhci_pci sdhci firewire_ohci mmc_core firewire_core crc_itu_t yenta_socket i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] Feb 10 10:59:45 testbox kernel: [ 524.496006] Feb 10 10:59:45 testbox kernel: [ 524.496006] Pid: 1465, comm: build-locale-ar Not tainted 2.6.38-0.rc3.git4.1.fc15.i686 #1 Portable PC/Tecra A8 Feb 10 10:59:45 testbox kernel: [ 524.496006] EIP: 0060:[<c04267a2>] EFLAGS: 00210202 CPU: 0 Feb 10 10:59:45 testbox kernel: [ 524.496006] EIP is at kmap_atomic_prot+0x1c/0x111 Feb 10 10:59:45 testbox kernel: [ 524.496006] EAX: f1d56000 EBX: f1d57eb8 ECX: 00000000 EDX: 00000163 Feb 10 10:59:45 testbox kernel: [ 524.496006] ESI: 00000000 EDI: 00000163 EBP: f1d57de8 ESP: f1d57dd4 Feb 10 10:59:45 testbox kernel: [ 524.496006] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Feb 10 10:59:45 testbox kernel: [ 524.496006] Process build-locale-ar (pid: 1465, ti=f1d56000 task=f1d1f110 task.ti=f1d56000) Feb 10 10:59:45 testbox kernel: [ 524.496006] Stack: Feb 10 10:59:45 testbox kernel: [ 524.496006] 00000000 f1d57df0 f1d57eb8 00001000 00000000 f1d57df0 c04268aa f1d57e08 Feb 10 10:59:45 testbox kernel: [ 524.496006] c04ab3cd 00000000 0000012c 00001000 00000000 f1d57e2c f8217b41 0000012c Feb 10 10:59:45 testbox kernel: [ 524.496006] 00001010 00000002 00001000 f1d57eb8 0000113c 00000000 f1d57edc f8218129 Feb 10 10:59:45 testbox kernel: [ 524.496006] Call Trace: Feb 10 10:59:45 testbox kernel: [ 524.496006] [<c04268aa>] __kmap_atomic+0x13/0x15 Feb 10 10:59:45 testbox kernel: [ 524.496006] [<c04ab3cd>] iov_iter_copy_from_user_atomic+0x28/0x6c Feb 10 10:59:45 testbox kernel: [ 524.496006] [<f8217b41>] btrfs_copy_from_user.isra.6+0x5c/0x96 [btrfs] Feb 10 10:59:45 testbox kernel: [ 524.496006] [<f8218129>] btrfs_file_aio_write+0x480/0x79b [btrfs] Feb 10 10:59:45 testbox kernel: [ 524.496006] [<c04dd8e4>] ? mem_cgroup_update_page_stat+0x1a/0xd4 Feb 10 10:59:45 testbox kernel: [ 524.496006] [<c04e3e76>] do_sync_write+0x96/0xcf Feb 10 10:59:45 testbox kernel: [ 524.496006] [<c04e4265>] ? rw_verify_area+0xd0/0xf3 Feb 10 10:59:45 testbox kernel: [ 524.496006] [<c04e44fd>] vfs_write+0x8f/0xd7 Feb 10 10:59:45 testbox kernel: [ 524.496006] [<c04e3de0>] ? do_sync_write+0x0/0xcf Feb 10 10:59:45 testbox kernel: [ 524.496006] [<c04e46bf>] sys_write+0x42/0x63 Feb 10 10:59:45 testbox kernel: [ 524.496006] [<c07d449c>] syscall_call+0x7/0xb Feb 10 10:59:45 testbox kernel: [ 524.496006] Code: 26 00 8b 15 08 b9 af c0 e8 58 f9 ff ff 5d c3 55 89 e5 57 56 53 83 ec 08 3e 8d 74 26 00 89 c6 89 e0 25 00 e0 ff ff 89 d7 ff 40 14 <8b> 06 c1 e8 1e 69 c0 80 03 00 00 05 00 07 a3 c0 e8 49 fe ff ff Feb 10 10:59:45 testbox kernel: [ 524.496006] EIP: [<c04267a2>] kmap_atomic_prot+0x1c/0x111 SS:ESP 0068:f1d57dd4 Feb 10 10:59:45 testbox kernel: [ 524.496006] CR2: 0000000000000000 Feb 10 10:59:45 testbox kernel: [ 524.582447] ---[ end trace e16f2400ae6eb809 ]--- Feb 10 10:59:45 testbox kernel: [ 524.584816] note: build-locale-ar[1465] exited with preempt_count 2 Feb 10 10:59:45 testbox kernel: [ 524.584819] BUG: sleeping function called from invalid context at kernel/rwsem.c:21 Feb 10 10:59:45 testbox kernel: [ 524.584822] in_atomic(): 1, irqs_disabled(): 0, pid: 1465, name: build-locale-ar Feb 10 10:59:45 testbox kernel: [ 524.584828] Pid: 1465, comm: build-locale-ar Tainted: G D 2.6.38-0.rc3.git4.1.fc15.i686 #1 Feb 10 10:59:45 testbox kernel: [ 524.584830] Call Trace: Feb 10 10:59:45 testbox kernel: [ 524.584835] [<c042e20a>] ? __might_sleep+0xdd/0xe4 Feb 10 10:59:45 testbox kernel: [ 524.584839] [<c07d382c>] ? down_read+0x1c/0x30 Feb 10 10:59:45 testbox kernel: [ 524.584843] [<c046c69f>] ? acct_collect+0x3e/0x138 Feb 10 10:59:45 testbox kernel: [ 524.584847] [<c043da92>] ? do_exit+0x1d0/0x62c Feb 10 10:59:45 testbox kernel: [ 524.584850] [<c043bf68>] ? kmsg_dump+0x3a/0xb6 Feb 10 10:59:45 testbox kernel: [ 524.584853] [<c07d555b>] ? oops_end+0xa2/0xa8 Feb 10 10:59:45 testbox kernel: [ 524.584858] [<c07cc31f>] ? no_context+0x128/0x130 Feb 10 10:59:45 testbox kernel: [ 524.584861] [<c07cc441>] ? __bad_area_nosemaphore+0x11a/0x122 Feb 10 10:59:45 testbox kernel: [ 524.584884] [<f81fdd20>] ? btrfs_block_rsv_release+0x51/0x57 [btrfs] Feb 10 10:59:45 testbox kernel: [ 524.584888] [<c07cc460>] ? bad_area_nosemaphore+0x17/0x19 Feb 10 10:59:45 testbox kernel: [ 524.584891] [<c07d6ef3>] ? do_page_fault+0x159/0x30c Feb 10 10:59:45 testbox kernel: [ 524.584916] [<f8225975>] ? free_extent_state+0x3c/0x3f [btrfs] Feb 10 10:59:45 testbox kernel: [ 524.584940] [<f8226053>] ? clear_extent_bit+0x31b/0x36c [btrfs] Feb 10 10:59:45 testbox kernel: [ 524.584964] [<f8225975>] ? free_extent_state+0x3c/0x3f [btrfs] Feb 10 10:59:45 testbox kernel: [ 524.584968] [<c07d6d9a>] ? do_page_fault+0x0/0x30c Feb 10 10:59:45 testbox kernel: [ 524.584971] [<c07d4b87>] ? error_code+0x67/0x6c Feb 10 10:59:45 testbox kernel: [ 524.584974] [<c04267a2>] ? kmap_atomic_prot+0x1c/0x111 Feb 10 10:59:45 testbox kernel: [ 524.584977] [<c04268aa>] ? __kmap_atomic+0x13/0x15 Feb 10 10:59:45 testbox kernel: [ 524.584980] [<c04ab3cd>] ? iov_iter_copy_from_user_atomic+0x28/0x6c Feb 10 10:59:45 testbox kernel: [ 524.585005] [<f8217b41>] ? btrfs_copy_from_user.isra.6+0x5c/0x96 [btrfs] Feb 10 10:59:45 testbox kernel: [ 524.585039] [<f8218129>] ? btrfs_file_aio_write+0x480/0x79b [btrfs] Feb 10 10:59:45 testbox kernel: [ 524.585043] [<c04dd8e4>] ? mem_cgroup_update_page_stat+0x1a/0xd4 Feb 10 10:59:45 testbox kernel: [ 524.585051] [<c04e3e76>] ? do_sync_write+0x96/0xcf Feb 10 10:59:45 testbox kernel: [ 524.585055] [<c04e4265>] ? rw_verify_area+0xd0/0xf3 Feb 10 10:59:45 testbox kernel: [ 524.585058] [<c04e44fd>] ? vfs_write+0x8f/0xd7 Feb 10 10:59:45 testbox kernel: [ 524.585061] [<c04e3de0>] ? do_sync_write+0x0/0xcf Feb 10 10:59:45 testbox kernel: [ 524.585064] [<c04e46bf>] ? sys_write+0x42/0x63 Feb 10 10:59:45 testbox kernel: [ 524.585067] [<c07d449c>] ? syscall_call+0x7/0xb Feb 10 10:59:45 testbox kernel: [ 524.585070] BUG: scheduling while atomic: build-locale-ar/1465/0x10000002 Feb 10 10:59:45 testbox kernel: [ 524.585072] Modules linked in: sunrpc cpufreq_ondemand acpi_cpufreq mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables snd_hda_codec_si3054 snd_hda_codec_realtek arc4 snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device iwl3945 snd_pcm iwlcore mac80211 snd_timer ppdev e1000e snd cfg80211 parport_pc soundcore iTCO_wdt toshiba_bluetooth joydev parport snd_page_alloc toshiba_acpi microcode iTCO_vendor_support sparse_keymap rfkill uinput ipv6 btrfs zlib_deflate libcrc32c sdhci_pci sdhci firewire_ohci mmc_core firewire_core crc_itu_t yenta_socket i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] Feb 10 10:59:45 testbox kernel: [ 524.585102] Pid: 1465, comm: build-locale-ar Tainted: G D 2.6.38-0.rc3.git4.1.fc15.i686 #1 Feb 10 10:59:45 testbox kernel: [ 524.585104] Call Trace: Feb 10 10:59:45 testbox kernel: [ 524.585107] [<c07cc721>] ? __schedule_bug+0x5d/0x63 Feb 10 10:59:45 testbox kernel: [ 524.585110] [<c07d277e>] ? schedule+0x69/0x67d Feb 10 10:59:45 testbox kernel: [ 524.585115] [<c0405c90>] ? show_trace_log_lvl+0x40/0x47 Feb 10 10:59:45 testbox kernel: [ 524.585118] [<c0405cae>] ? show_trace+0x17/0x19 Feb 10 10:59:45 testbox kernel: [ 524.585121] [<c07cb105>] ? dump_stack+0x6d/0x73 Feb 10 10:59:45 testbox kernel: [ 524.585124] [<c042e20a>] ? __might_sleep+0xdd/0xe4 Feb 10 10:59:45 testbox kernel: [ 524.585128] [<c0436e23>] ? __cond_resched+0x1b/0x2b Feb 10 10:59:45 testbox kernel: [ 524.585130] [<c07d2e39>] ? _cond_resched+0x18/0x21 Feb 10 10:59:45 testbox kernel: [ 524.585133] [<c07d3831>] ? down_read+0x21/0x30 Feb 10 10:59:45 testbox kernel: [ 524.585136] [<c046c69f>] ? acct_collect+0x3e/0x138 Feb 10 10:59:45 testbox kernel: [ 524.585139] [<c043da92>] ? do_exit+0x1d0/0x62c Feb 10 10:59:45 testbox kernel: [ 524.585141] [<c043bf68>] ? kmsg_dump+0x3a/0xb6 Feb 10 10:59:45 testbox kernel: [ 524.585145] [<c07d555b>] ? oops_end+0xa2/0xa8 Feb 10 10:59:45 testbox kernel: [ 524.585148] [<c07cc31f>] ? no_context+0x128/0x130 Feb 10 10:59:45 testbox kernel: [ 524.585151] [<c07cc441>] ? __bad_area_nosemaphore+0x11a/0x122 Feb 10 10:59:45 testbox kernel: [ 524.585171] [<f81fdd20>] ? btrfs_block_rsv_release+0x51/0x57 [btrfs] Feb 10 10:59:45 testbox kernel: [ 524.585174] [<c07cc460>] ? bad_area_nosemaphore+0x17/0x19 Feb 10 10:59:45 testbox kernel: [ 524.585178] [<c07d6ef3>] ? do_page_fault+0x159/0x30c Feb 10 10:59:45 testbox kernel: [ 524.585202] [<f8225975>] ? free_extent_state+0x3c/0x3f [btrfs] Feb 10 10:59:45 testbox kernel: [ 524.585226] [<f8226053>] ? clear_extent_bit+0x31b/0x36c [btrfs] Feb 10 10:59:45 testbox kernel: [ 524.585251] [<f8225975>] ? free_extent_state+0x3c/0x3f [btrfs] Feb 10 10:59:45 testbox kernel: [ 524.585254] [<c07d6d9a>] ? do_page_fault+0x0/0x30c Feb 10 10:59:45 testbox kernel: [ 524.585257] [<c07d4b87>] ? error_code+0x67/0x6c Feb 10 10:59:45 testbox kernel: [ 524.585260] [<c04267a2>] ? kmap_atomic_prot+0x1c/0x111 Feb 10 10:59:45 testbox kernel: [ 524.585263] [<c04268aa>] ? __kmap_atomic+0x13/0x15 Feb 10 10:59:45 testbox kernel: [ 524.585266] [<c04ab3cd>] ? iov_iter_copy_from_user_atomic+0x28/0x6c Feb 10 10:59:45 testbox kernel: [ 524.585292] [<f8217b41>] ? btrfs_copy_from_user.isra.6+0x5c/0x96 [btrfs] Feb 10 10:59:45 testbox kernel: [ 524.585316] [<f8218129>] ? btrfs_file_aio_write+0x480/0x79b [btrfs] Feb 10 10:59:45 testbox kernel: [ 524.585319] [<c04dd8e4>] ? mem_cgroup_update_page_stat+0x1a/0xd4 Feb 10 10:59:45 testbox kernel: [ 524.585328] [<c04e3e76>] ? do_sync_write+0x96/0xcf Feb 10 10:59:45 testbox kernel: [ 524.585331] [<c04e4265>] ? rw_verify_area+0xd0/0xf3 Feb 10 10:59:45 testbox kernel: [ 524.585334] [<c04e44fd>] ? vfs_write+0x8f/0xd7 Feb 10 10:59:45 testbox kernel: [ 524.585337] [<c04e3de0>] ? do_sync_write+0x0/0xcf Feb 10 10:59:45 testbox kernel: [ 524.585340] [<c04e46bf>] ? sys_write+0x42/0x63 Feb 10 10:59:45 testbox kernel: [ 524.585343] [<c07d449c>] ? 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