[Bugme-new] [Bug 16600] New: BUG: scheduling while atomic -- Various processes

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Sun Aug 15 15:39:11 PDT 2010


https://bugzilla.kernel.org/show_bug.cgi?id=16600

           Summary: BUG: scheduling while atomic -- Various processes
           Product: Process Management
           Version: 2.5
    Kernel Version: 2.6.35.2
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: blocking
          Priority: P1
         Component: Scheduler
        AssignedTo: mingo at elte.hu
        ReportedBy: akwatts at ymail.com
        Regression: Yes


As of kernel 2.6.35.2, having problems with "BUG: scheduling while atomic: ..."
on different processes. Kernel 2.6.35.1 and earlier don't have this issue.
Representative trace info follows:

~ Andy

=========================

BUG: scheduling while atomic: sh/13943/0x10000001 
Modules linked in: fan snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq
snd_seq_device snd_pcm_oss snd_mixer_oss pl2303 fuse pcmcia snd_atiixp
snd_ac97_codec ac97_bus yenta_socket ohci_hcd ehci_hcd thermal battery
processor firewire_ohci ac shpchp snd_pcm wmi button pcmcia_rsrc video
ide_cd_mod pcmcia_core snd_timer snd ssb snd_page_alloc 
Pid: 13943, comm: sh Not tainted 2.6.35.2 #1 
Call Trace: 
[<c1028573>] __schedule_bug+0x58/0x5a 
[<c150f98f>] schedule+0x343/0x43e 
[<c150fb9b>] _cond_resched+0x2d/0x42 
[<c10aa8f8>] anon_vma_prepare+0xf/0xbc 
[<c10a7239>] expand_downwards+0x12/0x124 
[<c10a7353>] expand_stack+0x8/0xa 
[<c10a5460>] handle_mm_fault+0x7fb/0x82d 
[<c10a26f9>] ? follow_page+0x55/0x261 
[<c10a5590>] __get_user_pages+0xfe/0x3ba 
[<c10a58dc>] get_user_pages+0x49/0x51 
[<c10bfb57>] get_arg_page+0x46/0x8f 
[<c11ac948>] ? strnlen_user+0x1b/0x39 
[<c10bfc6b>] copy_strings+0xcb/0x173 
[<c10bfd2f>] copy_strings_kernel+0x1c/0x2b 
[<c10c1143>] do_execve+0x17c/0x299 
[<c11aca85>] ? copy_to_user+0x2e/0x119 
[<c11ac9ff>] ? strncpy_from_user+0x2a/0x4b 
[<c1007c20>] sys_execve+0x2d/0x54 
[<c1002d4e>] ptregs_execve+0x12/0x18 
[<c1510f1c>] ? syscall_call+0x7/0xb

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