From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751311AbXCCKKe (ORCPT ); Sat, 3 Mar 2007 05:10:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751314AbXCCKKe (ORCPT ); Sat, 3 Mar 2007 05:10:34 -0500 Received: from mu-out-0910.google.com ([209.85.134.191]:55534 "EHLO mu-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751311AbXCCKKc (ORCPT ); Sat, 3 Mar 2007 05:10:32 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:user-agent:mime-version:to:cc:subject:references:in-reply-to:x-enigmail-version:content-type:content-transfer-encoding:from; b=EFPe0YBZHgwYDgS+5SJ9kQ36cpLu3yQPdQSaYwgSQPGBt5R1OfJuETCNazIx2Fv6386e5sguoHzqKYDRzNvlKlRTtWXzBH+SYYAME1ua3SBvQ+TCO6mfdfcB8eDRqWVKz6eAM9JocHKzBR3dSEGiJFCY8gmpOT6VKUkJTbdVrbw= Message-ID: <45E94933.4010206@googlemail.com> Date: Sat, 03 Mar 2007 11:08:51 +0100 User-Agent: Thunderbird 1.5.0.9 (X11/20070212) MIME-Version: 1.0 To: Andrew Morton CC: Michal Piotrowski , linux-kernel@vger.kernel.org Subject: Re: 2.6.21-rc2-mm1 References: <20070302030026.5eef0c92.akpm@linux-foundation.org> <6bffcb0e0703021542k4f882531r21807c7efdbd0ebc@mail.gmail.com> <20070302164009.a2aa6cbc.akpm@linux-foundation.org> <45E8CDF3.7010406@googlemail.com> <20070302174110.5740b09e.akpm@linux-foundation.org> In-Reply-To: <20070302174110.5740b09e.akpm@linux-foundation.org> X-Enigmail-Version: 0.94.1.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Michal Piotrowski Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andrew Morton napisał(a): > On Sat, 03 Mar 2007 02:22:59 +0100 > Michal Piotrowski wrote: > >> Andrew Morton napisa__(a): >>> On Sat, 3 Mar 2007 00:42:33 +0100 >>> "Michal Piotrowski" wrote: >>> >>>> On 02/03/07, Andrew Morton wrote: >>>>> Temporarily at >>>>> >>>>> http://userweb.kernel.org/~akpm/2.6.21-rc2-mm1/ >>>>> >>>> I have noticed some strange system behavior. When i try to build a >>>> kernel (medium load) - X, keyboard, mouse and sound hangs. >>>> >>>> I can ping machine and I can use magic SysRq key, but that's all. >>>> >>>> 2.6.20-mm2 was fine, 2.6.21-rc2 works well (over 800 patches since >>>> 2.6.20-mm2 - great...) >>>> >>>> NIL (Nothing Interesting in Logs) >>>> >>> Can we see the sysrq-T output please? >>> >> http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc2-mm1/sys.log >> > > Well that's all very dull - everything's just sitting there asleep. > > If it was just X then I'd suspect the psmouse changes (are you PS2 or USB?) > > Or I'd suspect that the entire interrupt system has gone bust, but you're > still able to do sysrq. > > How are you doing sysrq, btw? Serial console? alt-F7 into a vgaconsole? alt + sysrq + key, but alt + fX doesn't work > Are you able to log in from another machine via ssh? Yes. > > Are you able to log into it via ssh before it hangs and run things like > `top' and `watch -n1 cat /proc/interrupts', see what they do when it hangs? Everything stops. top - 10:45:55 up 19 min, 2 users, load average: 2.73, 2.51, 1.61 Tasks: 169 total, 4 running, 165 sleeping, 0 stopped, 0 zombie Cpu(s): 61.2%us, 21.9%sy, 0.0%ni, 16.0%id, 0.3%wa, 0.0%hi, 0.5%si, 0.0%st Mem: 1985648k total, 1270908k used, 714740k free, 74424k buffers Swap: 4192956k total, 0k used, 4192956k free, 849936k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 3656 michal 15 0 293m 91m 27m S 44 4.7 5:53.77 firefox-bin 14683 michal 25 0 22756 18m 3876 R 22 1.0 0:00.66 cc1 3191 root 16 0 170m 20m 6640 R 21 1.0 2:26.46 Xorg [..] > > Is the CPU idle when it hangs, or is it busy? If busy, what does sysrq-P > say? > > Pid: 3716, comm: firefox-bin EIP: 0073:[] CPU: 0 EIP is at 0xb23bb9d1 ESP: 007b:afdfd1d0 EFLAGS: 00000202 Not tainted (2.6.21-rc2-mm1 #23) EAX: 00000001 EBX: b25ee12c ECX: 00000018 EDX: 00000018 ESI: 0944e91c EDI: 0944e900 EBP: afdfd398 DS: 007b ES: 007b FS: 0000 CR0: 8005003b CR2: 40954000 CR3: 32bdc000 CR4: 000006d0 [] show_trace_log_lvl+0x1a/0x2f [] show_trace+0x12/0x14 [] show_regs+0x181/0x188 [] sysrq_handle_showregs+0x12/0x14 [] __handle_sysrq+0x8c/0x109 [] handle_sysrq+0x1f/0x21 [] kbd_event+0x2d8/0x4ee [] input_event+0x420/0x442 [] atkbd_interrupt+0x448/0x514 [] serio_interrupt+0x49/0x7f [] i8042_interrupt+0x226/0x239 [] handle_IRQ_event+0x1a/0x46 [] handle_edge_irq+0x10a/0x14e [] do_IRQ+0xa3/0xbd [] common_interrupt+0x2e/0x34 ======================= Regards, Michal -- Michal K. K. Piotrowski LTG - Linux Testers Group (PL) (http://www.stardust.webpages.pl/ltg/) LTG - Linux Testers Group (EN) (http://www.stardust.webpages.pl/linux_testers_group_en/)