Sonny Rao <[EMAIL PROTECTED]> wrote: > > On Wed, Jul 13, 2005 at 12:42:15PM -0700, randy_dunlap wrote: > > On Wed, 13 Jul 2005 09:54:10 -0500 Miles Lane wrote: > > > > > On 7/13/05, Dave Airlie <[EMAIL PROTECTED]> wrote: > > > > > Thanks Dave, > > > > > > > > > > I switched to the i915 kernel driver and still got the OOPS. > > > > > I also continue to get the overlapping mtrr message. I am currently > > > > > testing 2.6.13-rc2-git3. I have tried to run strace with hald, but > > > > > cannot reproduce the problem this way. I am not sure I am invoking > > > > > the > > > > > command corrently. I have written to the hal developers, but have not > > > > > received a response yet. Here's the current output: > > > > > > > > > > > > > Can you try and see if you apply the patch from > > > > > > > > http://lkml.org/lkml/2005/7/8/257 > > > > > > > > It should apply to your kernel.. I cannot get this to happen on my > > > > system... the mtrr overlaps are just vesafb setting up the mtrrs, you > > > > might try without vesafb... > > > > > > I will try booting without vesafb enabled. > > > > > > I get an error building with the patch applied to 2.6.13-rc2-git3: > > > > > > arch/i386/kernel/built-in.o(.text+0x4010): In function `die': > > > arch/i386/kernel/traps.c:343: undefined reference to `last_sysfs_name' > > > make: *** [.tmp_vmlinux1] Error 1 > > > > Miles, > > Here is an updated version of the patch that builds for me. > > (uses last_sysfs_file instead of last_sysfs_name) > > I think I was able to reproduce this same bug on 2.6.13-rc4-mm1, > here's the output (w/ apologies for long lines): > > Unable to handle kernel paging request at virtual address 762f7473 > printing eip: > c01a8bcc > *pde = 00000000 > Oops: 0002 [#1] > PREEMPT SMP DEBUG_PAGEALLOC > last sysfs file: /class/vc/vcs5/dev
gotcha. > Modules linked in: cpufreq_userspace cpufreq_stats freq_table > cpufreq_powersave > cpufreq_ondemand cpufreq_conservative ipv6 video thermal processor hotkey fan > co > ntainer button battery ac nfs lockd sunrpc af_packet tg3 ohci_hcd usbcore > generi > c serverworks i2c_piix4 i2c_core sworks_agp agpgart pcspkr rtc floppy tsdev > dm_m > od parport_pc lp parport ide_generic ide_disk ide_cd cdrom ide_core unix > CPU: 0 > EIP: 0060:[<c01a8bcc>] Not tainted VLI > EFLAGS: 00010246 (2.6.13-rc4-mm1) > EIP is at sysfs_release+0x4c/0xb0 > eax: 762f7373 ebx: 762f7373 ecx: 00000001 edx: ef3c5000 > esi: f596a188 edi: f21fecc0 ebp: ef3c5f3c esp: ef3c5f2c > ds: 007b es: 007b ss: 0068 > Process udev (pid: 11843, threadinfo=ef3c5000 task=ef78e550) > Stack: f596a188 00000010 f762d580 c21bc944 ef3c5f68 c0166cea c21bc944 > f762d580 > 00000000 00000000 c2137980 ec7e9748 f762d580 dcae7300 00000000 > ef3c5f78 > c0166aeb f762d580 f762d580 ef3c5f94 c01650ab f762d580 dcae7300 > dcae7300 > Call Trace: > [<c010401f>] show_stack+0x7f/0xa0 > [<c01041d4>] show_registers+0x164/0x1d0 > [<c0104422>] die+0x122/0x1c0 > [<c030db1e>] do_page_fault+0x2ce/0x600 > [<c0103ccb>] error_code+0x4f/0x54 > [<c0166cea>] __fput+0x1da/0x1f0 > [<c0166aeb>] fput+0x2b/0x50 > [<c01650ab>] filp_close+0x4b/0x80 > [<c016514e>] sys_close+0x6e/0x90 > [<c010312f>] sysenter_past_esp+0x54/0x75 > Code: 85 f6 8b 40 14 8b 58 04 74 08 89 34 24 e8 0d 97 04 00 85 db 74 38 b8 01 > 00 > 00 00 e8 af 18 f7 ff e8 4a e5 04 00 c1 e0 07 8d 04 18 <ff> 88 00 01 00 00 83 > 3b > 02 74 49 b8 01 00 00 00 e8 cf 18 f7 ff > <6>note: udev[11843] exited with preempt_count 1 > Using generic hotkey driver > ibm_acpi: acpi_evalf(DHKC, d, ...) failed: 4097 > ibm_acpi: `enable,0xffff' invalid for parameter `hotkey' > toshiba_acpi: Unknown parameter `hotkeys_over_acpi' > apm: BIOS not found. > > Let me see if I can reproduce this on either 2.6.13-rc4 or 2.6.13-rc6 > > Machine is an IBM x335 (dual P4), and I'm not using any framebuffer > stuff. > Keith, does this look like the use-after-free which you've been hitting? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
