Messages in this thread | | | Date | Sat, 03 Mar 2007 11:08:51 +0100 | Subject | Re: 2.6.21-rc2-mm1 | From | Michal Piotrowski <> |
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Andrew Morton napisał(a): > On Sat, 03 Mar 2007 02:22:59 +0100 > Michal Piotrowski <michal.k.k.piotrowski@gmail.com> wrote: > >> Andrew Morton napisa__(a): >>> On Sat, 3 Mar 2007 00:42:33 +0100 >>> "Michal Piotrowski" <michal.k.k.piotrowski@gmail.com> wrote: >>> >>>> On 02/03/07, Andrew Morton <akpm@linux-foundation.org> 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:[<b23bb9d1>] 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 [<c0105256>] show_trace_log_lvl+0x1a/0x2f [<c010597b>] show_trace+0x12/0x14 [<c0102acf>] show_regs+0x181/0x188 [<c0261010>] sysrq_handle_showregs+0x12/0x14 [<c0260f47>] __handle_sysrq+0x8c/0x109 [<c0261122>] handle_sysrq+0x1f/0x21 [<c025bd6e>] kbd_event+0x2d8/0x4ee [<c02bcae2>] input_event+0x420/0x442 [<c02c01b0>] atkbd_interrupt+0x448/0x514 [<c02b986e>] serio_interrupt+0x49/0x7f [<c02ba6a8>] i8042_interrupt+0x226/0x239 [<c0155642>] handle_IRQ_event+0x1a/0x46 [<c015675a>] handle_edge_irq+0x10a/0x14e [<c0106c22>] do_IRQ+0xa3/0xbd [<c0104c52>] 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/) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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