On 22 March 2013 20:42, Borislav Petkov <bp@xxxxxxxxx> wrote: > Btw, > > while we're at it, I just discovered this in dmesg. Plain -rc3. I am looking at it since some time, but need a bit of help. > [34173.893305] ------------[ cut here ]------------ > [34173.893321] WARNING: at kernel/mutex.c:199 mutex_lock_nested+0x39c/0x3b0() > [34173.893328] Hardware name: To be filled by O.E.M. > [34173.893333] Modules linked in: nls_iso8859_15 nls_cp437 fuse tun cpufreq_powersave cpufreq_userspace cpufreq_stats cpufreq_conservative dm_crypt dm_mod ipv6 vfat fat acpi_cpufreq mperf kvm_amd kvm crc32_pclmul aesni_intel aes_x86_64 ablk_helper cryptd xts lrw gf128mul microcode radeon amd64_edac_mod edac_core k10temp fam15h_power drm_kms_helper ttm cfbfillrect cfbimgblt r8169 cfbcopyarea > [34173.893395] Pid: 15316, comm: kworker/0:0 Not tainted 3.9.0-rc3 #1 > [34173.893402] Call Trace: > [34173.893409] [<ffffffff8103b33f>] warn_slowpath_common+0x7f/0xc0 > [34173.893417] [<ffffffff8103b39a>] warn_slowpath_null+0x1a/0x20 > [34173.893424] [<ffffffff8159654c>] mutex_lock_nested+0x39c/0x3b0 > [34173.893432] [<ffffffff8144b94d>] ? cpufreq_governor_dbs+0x3bd/0x560 > [34173.893441] [<ffffffff8106bded>] ? __blocking_notifier_call_chain+0x7d/0xd0 > [34173.893449] [<ffffffff8144b94d>] ? cpufreq_governor_dbs+0x3bd/0x560 > [34173.893457] [<ffffffff81074ce1>] ? get_parent_ip+0x11/0x50 > [34173.893464] [<ffffffff81074d99>] ? sub_preempt_count+0x79/0xd0 What does "?" mean before a functions name in trace? I am not able to figure out the exact sequence as i don't see why sub_preempt_count() and get_parent_ip() got called. And then this notifier call. -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
