Messages in this thread | | | Date | Fri, 20 Oct 2006 09:19:01 -0700 | From | Andrew Morton <> | Subject | Re: 2.6.19-rc2-mm2 |
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On Fri, 20 Oct 2006 13:39:49 +0200 Mariusz Kozlowski <m.kozlowski@tuxland.pl> wrote:
> Hello, > > I installed 2.6.19-rc2-mm2 without kernel debugging options enabled first. > The output below is what I saw when the kernel started. Then I enabled > debugging and system hangs with oops with no trace in the logs. It is not > easily repeatable though. It happens from time to time. > > BUG: unable to handle kernel NULL pointer dereference at virtual address > 00000000 > printing eip: > ded5bc12 > *pde = 00000000 > Oops: 0000 [#1] > PREEMPT > last sysfs > file: /class/pcmcia_socket/pcmcia_socket0/available_resources_setup_done > Modules linked in: pcmcia firmware_class yenta_socket rsrc_nonstatic > pcmcia_core > CPU: 0 > EIP: 0060:[<ded5bc12>] Not tainted VLI > EFLAGS: 00010002 (2.6.19-rc2-mm2 #1) > EIP is at get_pcmcia_device+0x1e/0x93 [pcmcia] > eax: ddba2828 ebx: fffffff0 ecx: 00000000 edx: 00000000 > esi: 00000000 edi: 00000000 ebp: 00000246 esp: ddac7f30 > ds: 007b es: 007b ss: 0068 > Process cardmgr (pid: 4807, ti=ddac6000 task=ddea7030 task.ti=ddac6000) > Stack: 40000000 00000000 c00c6409 ddba2828 ded5c777 00000001 00000000 ddba2400 > 0000000c ddc4930c ded60040 dd5a21c0 bfc9a600 c00c6409 c01661d4 bfc9a600 > dd5a21c0 dd5a21c0 00000004 ddac6000 c016622d 00000000 ddea7030 dd5a21c0 > Call Trace: > [<ded5c777>] ds_ioctl+0x88b/0x89f [pcmcia] > [<c01661d4>] do_ioctl+0x64/0x6d > [<c016622d>] vfs_ioctl+0x50/0x27b > [<c016648c>] sys_ioctl+0x34/0x50 > [<c0102eae>] sysenter_past_esp+0x5f/0x85 > ======================= > Code: 3f e1 89 d8 e8 f6 7e b1 ff 31 c0 5b c3 55 57 56 53 89 d7 9c 5d fa 89 e2 > 81 e2 00 e0 ff ff 83 42 14 01 8b 90 44 01 00 00 8d 5a f0 <8b> 4b 10 0f 18 01 > 90 8d b0 44 01 00 00 39 d6 75 12 eb 37 89 c8 > EIP: [<ded5bc12>] get_pcmcia_device+0x1e/0x93 [pcmcia] SS:ESP 0068:ddac7f30 > <6>note: cardmgr[4807] exited with preempt_count 1 > pccard: PCMCIA card inserted into slot 1 > cs: memory probe 0xa0000000-0xa0ffffff: clean.
Don't know. Nothing has changed in the git-pcmcia tree since July.
Are you able to bisect it, as per http://www.zip.com.au/~akpm/linux/patches/stuff/bisecting-mm-trees.txt ?
> When running without debug options enabled also these were seen amongst dmesg > lines: > > [drm:radeon_cp_init] *ERROR* radeon_cp_init called without lock held > [drm:drm_unlock] *ERROR* Process 5131 using kernel context 0
<googles>
This? http://lkml.org/lkml/2005/9/10/78
> When debug options were enabled these above disappeared. System info: > > Linux orion 2.6.19-rc2-mm2 #2 PREEMPT Fri Oct 20 13:14:25 CEST 2006 i686 > Intel(R) Pentium(R) 4 CPU 2.40GHz GNU/Linux > > Gnu C 4.1.1 > Gnu make 3.81 > binutils 2.16.1 > util-linux 2.12r > mount 2.12r > module-init-tools 3.2.2 > e2fsprogs 1.39 > pcmcia-cs 3.2.8 > nfs-utils 1.0.6 > Linux C Library > libc.2.4 > Dynamic linker (ldd) 2.4 > Procps 3.2.6 > Net-tools 1.60 > Kbd 1.12 > Sh-utils 5.94 > udev 087 > Modules Loaded orinoco_cs orinoco hermes pcmcia firmware_class > yenta_socket rsrc_nonstatic pcmcia_core > > This time it _is_ -mm ;-) >
Well... that's what it's for ;) Thanks for testing. - 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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