Re: OOPS on bringing down ppp
Nope that didn't help. I'm using gcc 2.95.2, didn't think of it before since it has never caused me any problems. I'll get around to trying 2.91.66 at some point. A quick aside, anyone know of a problem with the list, I seem to be being cut off at random intervals :) Mark On Fri, 24 Nov 2000 12:28:44 Andrew Morton wrote: > Mark Ellis wrote: > > > > Hi all, consistently getting the following when pppd is terminated. > > When pppd downs the ppp0 device, unregister_netdevice() is > trying to run /sbin/hotplug in a new kernel thread. That > thread's `files' structure is copied from pppd, but it is > NULL. Presumably pppd's files pointer was also NULL. > > Try this: > > --- linux-2.4.0-test11-ac2/kernel/kmod.c Tue Nov 21 20:11:21 2000 > +++ linux-akpm/kernel/kmod.c Fri Nov 24 23:03:34 2000 > @@ -99,8 +99,10 @@ > flush_signal_handlers(current); > spin_unlock_irq(>sigmask_lock); > > - for (i = 0; i < current->files->max_fds; i++ ) { > - if (current->files->fd[i]) close(i); > + if (current->files) { > + for (i = 0; i < current->files->max_fds; i++ ) { > + if (current->files->fd[i]) close(i); > + } > } > > /* Drop the "current user" thing */ > > > Not my area, but I don't think exec_usermodehelper() should assume > that current->files is always valid. > > Al, is this correct? If so, does daemonize() also need this test? > If not, then how did this thread get (current->files == NULL)? > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: OOPS on bringing down ppp
Nope that didn't help. I'm using gcc 2.95.2, didn't think of it before since it has never caused me any problems. I'll get around to trying 2.91.66 at some point. A quick aside, anyone know of a problem with the list, I seem to be being cut off at random intervals :) Mark On Fri, 24 Nov 2000 12:28:44 Andrew Morton wrote: Mark Ellis wrote: Hi all, consistently getting the following when pppd is terminated. When pppd downs the ppp0 device, unregister_netdevice() is trying to run /sbin/hotplug in a new kernel thread. That thread's `files' structure is copied from pppd, but it is NULL. Presumably pppd's files pointer was also NULL. Try this: --- linux-2.4.0-test11-ac2/kernel/kmod.c Tue Nov 21 20:11:21 2000 +++ linux-akpm/kernel/kmod.c Fri Nov 24 23:03:34 2000 @@ -99,8 +99,10 @@ flush_signal_handlers(current); spin_unlock_irq(current-sigmask_lock); - for (i = 0; i current-files-max_fds; i++ ) { - if (current-files-fd[i]) close(i); + if (current-files) { + for (i = 0; i current-files-max_fds; i++ ) { + if (current-files-fd[i]) close(i); + } } /* Drop the "current user" thing */ Not my area, but I don't think exec_usermodehelper() should assume that current-files is always valid. Al, is this correct? If so, does daemonize() also need this test? If not, then how did this thread get (current-files == NULL)? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: OOPS on bringing down ppp
On Fri, Nov 24, 2000 at 10:55:39AM +, Mark Ellis wrote: > Hi all, consistently getting the following when pppd is terminated. Happens > in 2.4.0-test11, fine in 2.4.0-test9, don't know about test10. Same happens > for pppd 2.4.0b4 and 2.4.0, both recompiled for test11. Is this related to > the modutils incompatability (modutils 2.3.19) ? I get the same oops w/ 2.4.0-test11pre7, pppd-2.3.11 and pppd-2.4.0, not quite sure if it happens on _every_ pppd termination, but it does happen a lot. Modutils-2.3.2[01]. ksymoops below, notice that it is preceded by a waitpid failed, don't wether it is important or not... My kernel is compiled on a fairly stock RH-7.0 with kgcc. system: -- Versions installed: (if some fields are empty or look -- unusual then possibly you have very old versions) Linux fsck.ikr.org 2.4.0-test11 #2 Sun Nov 19 00:16:38 EST 2000 i586 unknown Kernel modules 2.3.20 Gnu C egcs-2.91.66 Gnu Make 3.79.1 Binutils 2.10.0.18 Linux C Library2.1.94 Dynamic linker ldd (GNU libc) 2.1.94 Procps 2.0.7 Mount 2.10m Net-tools 1.56 Console-tools 0.3.3 Sh-utils 2.0 Modules Loaded ppp_deflate bsd_comp ppp_async ppp_generic slhc ide-cd cdrom soundcore de4x5 raid1 BusLogic Nov 23 16:05:13 fsck kernel: waitpid(1808) failed, -512 Nov 23 16:05:13 fsck kernel: Unable to handle kernel NULL pointer dereference at virtual address 0008 Nov 23 16:05:13 fsck kernel: printing eip: Nov 23 16:05:13 fsck kernel: c011556e Nov 23 16:05:13 fsck kernel: *pde = Nov 23 16:05:13 fsck kernel: Oops: Nov 23 16:05:13 fsck kernel: CPU:0 Nov 23 16:05:13 fsck kernel: EIP:0010:[exec_usermodehelper+734/944] Nov 23 16:05:13 fsck kernel: EFLAGS: 00010246 Nov 23 16:05:13 fsck kernel: eax: ebx: c1177b20 ecx: c1fb4fb0 edx: c1fb4fa4 Nov 23 16:05:13 fsck kernel: esi: c2694000 edi: c2694000 ebp: esp: c2695fb0 Nov 23 16:05:13 fsck kernel: ds: 0018 es: 0018 ss: 0018 Nov 23 16:05:13 fsck kernel: Process pppd (pid: 1808, stackpage=c2695000) Nov 23 16:05:13 fsck kernel: Stack: 0100 c34e7d90 c34e6000 c1a640c0 c3eca9a0 c36fc160 c1177b20 c3eca9a0 Nov 23 16:05:13 fsck kernel:c3eca9a0 c1177b20 c3eca9a0 c3eca9a0 c0115890 c0222840 c34e7e4c c34e7e38 Nov 23 16:05:13 fsck kernel:c0108e87 c34e7dbc c34e7dbc c34e7e4c Nov 23 16:05:13 fsck kernel: Call Trace: [exec_helper+20/24] [kernel_thread+35/48] Nov 23 16:05:13 fsck kernel: Code: 3b 68 08 7d 2a 8b 40 14 83 3c a8 00 74 15 b8 06 00 00 00 89 ksymoops: ksymoops 2.3.5 on i586 2.2.16-22. Options used -v /usr/src/linux/vmlinux (specified) -K (specified) -L (specified) -o /lib/modules/2.4.0-test11/ (specified) -m /usr/src/linux/System.map (specified) No modules in ksyms, skipping objects Nov 23 16:05:13 fsck kernel: Unable to handle kernel NULL pointer dereference at virtual address 0008 Nov 23 16:05:13 fsck kernel: c011556e Nov 23 16:05:13 fsck kernel: *pde = Nov 23 16:05:13 fsck kernel: Oops: Nov 23 16:05:13 fsck kernel: CPU:0 Nov 23 16:05:13 fsck kernel: EIP:0010:[exec_usermodehelper+734/944] Nov 23 16:05:13 fsck kernel: EFLAGS: 00010246 Nov 23 16:05:13 fsck kernel: eax: ebx: c1177b20 ecx: c1fb4fb0 edx: c1fb4fa4 Nov 23 16:05:13 fsck kernel: esi: c2694000 edi: c2694000 ebp: esp: c2695fb0 Nov 23 16:05:13 fsck kernel: ds: 0018 es: 0018 ss: 0018 Nov 23 16:05:13 fsck kernel: Process pppd (pid: 1808, stackpage=c2695000) Nov 23 16:05:13 fsck kernel: Stack: 0100 c34e7d90 c34e6000 c1a640c0 c3eca9a0 c36fc160 c1177b20 c3eca9a0 Nov 23 16:05:13 fsck kernel:c3eca9a0 c1177b20 c3eca9a0 c3eca9a0 c0115890 c0222840 c34e7e4c c34e7e38 Nov 23 16:05:13 fsck kernel:c0108e87 c34e7dbc c34e7dbc c34e7e4c Nov 23 16:05:13 fsck kernel: Call Trace: [exec_helper+20/24] [kernel_thread+35/48] Nov 23 16:05:13 fsck kernel: Code: 3b 68 08 7d 2a 8b 40 14 83 3c a8 00 74 15 b8 06 00 00 00 89 Using defaults from ksymoops -t elf32-i386 -a i386 Code; Before first symbol <_EIP>: Code; Before first symbol 0: 3b 68 08 cmp0x8(%eax),%ebp Code; 0003 Before first symbol 3: 7d 2a jge2f <_EIP+0x2f> 002f Before first symbol Code; 0005 Before first symbol 5: 8b 40 14 mov0x14(%eax),%eax Code; 0008 Before first symbol 8: 83 3c a8 00 cmpl $0x0,(%eax,%ebp,4) Code; 000c Before first symbol c: 74 15 je 23 <_EIP+0x23> 0023 Before first symbol Code; 000e Before first symbol e: b8 06 00 00 00mov$0x6,%eax Code; 0013 Before first symbol 13: 89 00 mov%eax,(%eax) -Marc > CONFIG_PPP and CONFIG_PPP_ASYNC are built in, CONFIG_PPP_DEFLATE and > CONFIG_PPP_BSDCOMP as modules, but oopses whether
Re: OOPS on bringing down ppp
> Not my area, but I don't think exec_usermodehelper() should assume > that current->files is always valid. > > Al, is this correct? If so, does daemonize() also need this test? > If not, then how did this thread get (current->files == NULL)? exit_files() will leave it NULL yes. You may want to borrow (inherit ;)) the files from init_task - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: OOPS on bringing down ppp
On Fri, 24 Nov 2000 10:55:39 +, Mark Ellis <[EMAIL PROTECTED]> wrote: >Hi all, consistently getting the following when pppd is terminated. Happens >in 2.4.0-test11, fine in 2.4.0-test9, don't know about test10. Same happens >for pppd 2.4.0b4 and 2.4.0, both recompiled for test11. Is this related to >the modutils incompatability (modutils 2.3.19) ? I don't think so. I cannot reproduce this oops on 2.4.0-test11 with modutils 2.3.21, ppp 2.4.0. modutils 2.3.19 should be compatible with kernel 2.4.0-test11, the incompatibility is between modutils <= 2.3.15 and kernel 2.4.0-test11. It was difficult to find the right area of code, my compile with egcs-2.91.66 and -march=i686 gives quite different Assembler, so take this analysis with a pinch of salt. Is there any chance that you are using the wrong compiler and/or compiler options? The oops looks to be on line 102 of kmod.c for (i = 0; i < current->files->max_fds; i++ ) { current->files is NULL. That has nothing to do with modutils, rather it points to an invalid or incomplete current context. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: OOPS on bringing down ppp
Mark Ellis wrote: > > Hi all, consistently getting the following when pppd is terminated. When pppd downs the ppp0 device, unregister_netdevice() is trying to run /sbin/hotplug in a new kernel thread. That thread's `files' structure is copied from pppd, but it is NULL. Presumably pppd's files pointer was also NULL. Try this: --- linux-2.4.0-test11-ac2/kernel/kmod.cTue Nov 21 20:11:21 2000 +++ linux-akpm/kernel/kmod.cFri Nov 24 23:03:34 2000 @@ -99,8 +99,10 @@ flush_signal_handlers(current); spin_unlock_irq(>sigmask_lock); - for (i = 0; i < current->files->max_fds; i++ ) { - if (current->files->fd[i]) close(i); + if (current->files) { + for (i = 0; i < current->files->max_fds; i++ ) { + if (current->files->fd[i]) close(i); + } } /* Drop the "current user" thing */ Not my area, but I don't think exec_usermodehelper() should assume that current->files is always valid. Al, is this correct? If so, does daemonize() also need this test? If not, then how did this thread get (current->files == NULL)? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
OOPS on bringing down ppp
Hi all, consistently getting the following when pppd is terminated. Happens in 2.4.0-test11, fine in 2.4.0-test9, don't know about test10. Same happens for pppd 2.4.0b4 and 2.4.0, both recompiled for test11. Is this related to the modutils incompatability (modutils 2.3.19) ? CONFIG_PPP and CONFIG_PPP_ASYNC are built in, CONFIG_PPP_DEFLATE and CONFIG_PPP_BSDCOMP as modules, but oopses whether they are loaded or not. ksymoops 2.3.4 on i686 2.4.0-test11. Options used -V (default) -k /proc/ksyms (default) -l /proc/modules (default) -o /lib/modules/2.4.0-test11/ (default) -m /usr/src/linux/System.map (specified) Warning (compare_maps): snd symbol pm_register not found in /lib/modules/2.4.0-test11/sound/snd.o. Ignoring /lib/modules/2.4.0-test11/sound/snd.o entry Warning (compare_maps): snd symbol pm_send not found in /lib/modules/2.4.0-test11/sound/snd.o. Ignoring /lib/modules/2.4.0-test11/sound/snd.o entry Warning (compare_maps): snd symbol pm_unregister not found in /lib/modules/2.4.0-test11/sound/snd.o. Ignoring /lib/modules/2.4.0-test11/sound/snd.o entry c0114c6c *pde = Oops: CPU:0 EIP:0010:[] Using defaults from ksymoops -t elf32-i386 -a i386 EFLAGS: 00010246 eax: c4bb1544 ebx: c4e72000 ecx: c5fe83a0 edx: esi: 0006 edi: ebp: c5fe83a0 esp: c4e73fb8 ds: 0018 es: 0018 ss: 0018 Process pppd (pid: 1099, stackpage=c4e73000) Stack: 0100 c4e6delc c4e6de4c c5b27e20 c5fe83a0 c11c35c0 c11c35c0 c11c35c0 c11c35c0 c0114f60 c0225f60 c4e6dedc c4e6dec8 c0108914 c4e6de4c 0078 c4e6dedc Call Trace: [] [] Code: 8b 4f 08 39 ca 7d 22 8b 47 14 83 3c 90 00 74 14 89 f0 89 d3 >>EIP; c0114c6c<= Trace; c0114f60 Trace; c0108914 Code; c0114c6c <_EIP>: Code; c0114c6c<= 0: 8b 4f 08 mov0x8(%edi),%ecx <= Code; c0114c6f 3: 39 ca cmp%ecx,%edx Code; c0114c71 5: 7d 22 jge29 <_EIP+0x29> c0114c95 Code; c0114c73 7: 8b 47 14 mov0x14(%edi),%eax Code; c0114c76 a: 83 3c 90 00 cmpl $0x0,(%eax,%edx,4) Code; c0114c7a e: 74 14 je 24 <_EIP+0x24> c0114c90 Code; c0114c7c 10: 89 f0 mov%esi,%eax Code; c0114c7e 12: 89 d3 mov%edx,%ebx 3 warnings issued. Results may not be reliable. Any ideas ? Mark - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
OOPS on bringing down ppp
Hi all, consistently getting the following when pppd is terminated. Happens in 2.4.0-test11, fine in 2.4.0-test9, don't know about test10. Same happens for pppd 2.4.0b4 and 2.4.0, both recompiled for test11. Is this related to the modutils incompatability (modutils 2.3.19) ? CONFIG_PPP and CONFIG_PPP_ASYNC are built in, CONFIG_PPP_DEFLATE and CONFIG_PPP_BSDCOMP as modules, but oopses whether they are loaded or not. ksymoops 2.3.4 on i686 2.4.0-test11. Options used -V (default) -k /proc/ksyms (default) -l /proc/modules (default) -o /lib/modules/2.4.0-test11/ (default) -m /usr/src/linux/System.map (specified) Warning (compare_maps): snd symbol pm_register not found in /lib/modules/2.4.0-test11/sound/snd.o. Ignoring /lib/modules/2.4.0-test11/sound/snd.o entry Warning (compare_maps): snd symbol pm_send not found in /lib/modules/2.4.0-test11/sound/snd.o. Ignoring /lib/modules/2.4.0-test11/sound/snd.o entry Warning (compare_maps): snd symbol pm_unregister not found in /lib/modules/2.4.0-test11/sound/snd.o. Ignoring /lib/modules/2.4.0-test11/sound/snd.o entry c0114c6c *pde = Oops: CPU:0 EIP:0010:[c0114c6c] Using defaults from ksymoops -t elf32-i386 -a i386 EFLAGS: 00010246 eax: c4bb1544 ebx: c4e72000 ecx: c5fe83a0 edx: esi: 0006 edi: ebp: c5fe83a0 esp: c4e73fb8 ds: 0018 es: 0018 ss: 0018 Process pppd (pid: 1099, stackpage=c4e73000) Stack: 0100 c4e6delc c4e6de4c c5b27e20 c5fe83a0 c11c35c0 c11c35c0 c11c35c0 c11c35c0 c0114f60 c0225f60 c4e6dedc c4e6dec8 c0108914 c4e6de4c 0078 c4e6dedc Call Trace: [c0114f60] [c0108914] Code: 8b 4f 08 39 ca 7d 22 8b 47 14 83 3c 90 00 74 14 89 f0 89 d3 EIP; c0114c6c exec_usermodehelper+29c/368 = Trace; c0114f60 exec_helper+14/18 Trace; c0108914 kernel_thread+28/38 Code; c0114c6c exec_usermodehelper+29c/368 _EIP: Code; c0114c6c exec_usermodehelper+29c/368 = 0: 8b 4f 08 mov0x8(%edi),%ecx = Code; c0114c6f exec_usermodehelper+29f/368 3: 39 ca cmp%ecx,%edx Code; c0114c71 exec_usermodehelper+2a1/368 5: 7d 22 jge29 _EIP+0x29 c0114c95 exec_usermodehelper+2c5/368 Code; c0114c73 exec_usermodehelper+2a3/368 7: 8b 47 14 mov0x14(%edi),%eax Code; c0114c76 exec_usermodehelper+2a6/368 a: 83 3c 90 00 cmpl $0x0,(%eax,%edx,4) Code; c0114c7a exec_usermodehelper+2aa/368 e: 74 14 je 24 _EIP+0x24 c0114c90 exec_usermodehelper+2c0/368 Code; c0114c7c exec_usermodehelper+2ac/368 10: 89 f0 mov%esi,%eax Code; c0114c7e exec_usermodehelper+2ae/368 12: 89 d3 mov%edx,%ebx 3 warnings issued. Results may not be reliable. Any ideas ? Mark - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: OOPS on bringing down ppp
Mark Ellis wrote: Hi all, consistently getting the following when pppd is terminated. When pppd downs the ppp0 device, unregister_netdevice() is trying to run /sbin/hotplug in a new kernel thread. That thread's `files' structure is copied from pppd, but it is NULL. Presumably pppd's files pointer was also NULL. Try this: --- linux-2.4.0-test11-ac2/kernel/kmod.cTue Nov 21 20:11:21 2000 +++ linux-akpm/kernel/kmod.cFri Nov 24 23:03:34 2000 @@ -99,8 +99,10 @@ flush_signal_handlers(current); spin_unlock_irq(current-sigmask_lock); - for (i = 0; i current-files-max_fds; i++ ) { - if (current-files-fd[i]) close(i); + if (current-files) { + for (i = 0; i current-files-max_fds; i++ ) { + if (current-files-fd[i]) close(i); + } } /* Drop the "current user" thing */ Not my area, but I don't think exec_usermodehelper() should assume that current-files is always valid. Al, is this correct? If so, does daemonize() also need this test? If not, then how did this thread get (current-files == NULL)? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: OOPS on bringing down ppp
On Fri, 24 Nov 2000 10:55:39 +, Mark Ellis [EMAIL PROTECTED] wrote: Hi all, consistently getting the following when pppd is terminated. Happens in 2.4.0-test11, fine in 2.4.0-test9, don't know about test10. Same happens for pppd 2.4.0b4 and 2.4.0, both recompiled for test11. Is this related to the modutils incompatability (modutils 2.3.19) ? I don't think so. I cannot reproduce this oops on 2.4.0-test11 with modutils 2.3.21, ppp 2.4.0. modutils 2.3.19 should be compatible with kernel 2.4.0-test11, the incompatibility is between modutils = 2.3.15 and kernel 2.4.0-test11. It was difficult to find the right area of code, my compile with egcs-2.91.66 and -march=i686 gives quite different Assembler, so take this analysis with a pinch of salt. Is there any chance that you are using the wrong compiler and/or compiler options? The oops looks to be on line 102 of kmod.c for (i = 0; i current-files-max_fds; i++ ) { current-files is NULL. That has nothing to do with modutils, rather it points to an invalid or incomplete current context. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: OOPS on bringing down ppp
Not my area, but I don't think exec_usermodehelper() should assume that current-files is always valid. Al, is this correct? If so, does daemonize() also need this test? If not, then how did this thread get (current-files == NULL)? exit_files() will leave it NULL yes. You may want to borrow (inherit ;)) the files from init_task - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: OOPS on bringing down ppp
On Fri, Nov 24, 2000 at 10:55:39AM +, Mark Ellis wrote: Hi all, consistently getting the following when pppd is terminated. Happens in 2.4.0-test11, fine in 2.4.0-test9, don't know about test10. Same happens for pppd 2.4.0b4 and 2.4.0, both recompiled for test11. Is this related to the modutils incompatability (modutils 2.3.19) ? I get the same oops w/ 2.4.0-test11pre7, pppd-2.3.11 and pppd-2.4.0, not quite sure if it happens on _every_ pppd termination, but it does happen a lot. Modutils-2.3.2[01]. ksymoops below, notice that it is preceded by a waitpid failed, don't wether it is important or not... My kernel is compiled on a fairly stock RH-7.0 with kgcc. system: -- Versions installed: (if some fields are empty or look -- unusual then possibly you have very old versions) Linux fsck.ikr.org 2.4.0-test11 #2 Sun Nov 19 00:16:38 EST 2000 i586 unknown Kernel modules 2.3.20 Gnu C egcs-2.91.66 Gnu Make 3.79.1 Binutils 2.10.0.18 Linux C Library2.1.94 Dynamic linker ldd (GNU libc) 2.1.94 Procps 2.0.7 Mount 2.10m Net-tools 1.56 Console-tools 0.3.3 Sh-utils 2.0 Modules Loaded ppp_deflate bsd_comp ppp_async ppp_generic slhc ide-cd cdrom soundcore de4x5 raid1 BusLogic Nov 23 16:05:13 fsck kernel: waitpid(1808) failed, -512 Nov 23 16:05:13 fsck kernel: Unable to handle kernel NULL pointer dereference at virtual address 0008 Nov 23 16:05:13 fsck kernel: printing eip: Nov 23 16:05:13 fsck kernel: c011556e Nov 23 16:05:13 fsck kernel: *pde = Nov 23 16:05:13 fsck kernel: Oops: Nov 23 16:05:13 fsck kernel: CPU:0 Nov 23 16:05:13 fsck kernel: EIP:0010:[exec_usermodehelper+734/944] Nov 23 16:05:13 fsck kernel: EFLAGS: 00010246 Nov 23 16:05:13 fsck kernel: eax: ebx: c1177b20 ecx: c1fb4fb0 edx: c1fb4fa4 Nov 23 16:05:13 fsck kernel: esi: c2694000 edi: c2694000 ebp: esp: c2695fb0 Nov 23 16:05:13 fsck kernel: ds: 0018 es: 0018 ss: 0018 Nov 23 16:05:13 fsck kernel: Process pppd (pid: 1808, stackpage=c2695000) Nov 23 16:05:13 fsck kernel: Stack: 0100 c34e7d90 c34e6000 c1a640c0 c3eca9a0 c36fc160 c1177b20 c3eca9a0 Nov 23 16:05:13 fsck kernel:c3eca9a0 c1177b20 c3eca9a0 c3eca9a0 c0115890 c0222840 c34e7e4c c34e7e38 Nov 23 16:05:13 fsck kernel:c0108e87 c34e7dbc c34e7dbc c34e7e4c Nov 23 16:05:13 fsck kernel: Call Trace: [exec_helper+20/24] [kernel_thread+35/48] Nov 23 16:05:13 fsck kernel: Code: 3b 68 08 7d 2a 8b 40 14 83 3c a8 00 74 15 b8 06 00 00 00 89 ksymoops: ksymoops 2.3.5 on i586 2.2.16-22. Options used -v /usr/src/linux/vmlinux (specified) -K (specified) -L (specified) -o /lib/modules/2.4.0-test11/ (specified) -m /usr/src/linux/System.map (specified) No modules in ksyms, skipping objects Nov 23 16:05:13 fsck kernel: Unable to handle kernel NULL pointer dereference at virtual address 0008 Nov 23 16:05:13 fsck kernel: c011556e Nov 23 16:05:13 fsck kernel: *pde = Nov 23 16:05:13 fsck kernel: Oops: Nov 23 16:05:13 fsck kernel: CPU:0 Nov 23 16:05:13 fsck kernel: EIP:0010:[exec_usermodehelper+734/944] Nov 23 16:05:13 fsck kernel: EFLAGS: 00010246 Nov 23 16:05:13 fsck kernel: eax: ebx: c1177b20 ecx: c1fb4fb0 edx: c1fb4fa4 Nov 23 16:05:13 fsck kernel: esi: c2694000 edi: c2694000 ebp: esp: c2695fb0 Nov 23 16:05:13 fsck kernel: ds: 0018 es: 0018 ss: 0018 Nov 23 16:05:13 fsck kernel: Process pppd (pid: 1808, stackpage=c2695000) Nov 23 16:05:13 fsck kernel: Stack: 0100 c34e7d90 c34e6000 c1a640c0 c3eca9a0 c36fc160 c1177b20 c3eca9a0 Nov 23 16:05:13 fsck kernel:c3eca9a0 c1177b20 c3eca9a0 c3eca9a0 c0115890 c0222840 c34e7e4c c34e7e38 Nov 23 16:05:13 fsck kernel:c0108e87 c34e7dbc c34e7dbc c34e7e4c Nov 23 16:05:13 fsck kernel: Call Trace: [exec_helper+20/24] [kernel_thread+35/48] Nov 23 16:05:13 fsck kernel: Code: 3b 68 08 7d 2a 8b 40 14 83 3c a8 00 74 15 b8 06 00 00 00 89 Using defaults from ksymoops -t elf32-i386 -a i386 Code; Before first symbol _EIP: Code; Before first symbol 0: 3b 68 08 cmp0x8(%eax),%ebp Code; 0003 Before first symbol 3: 7d 2a jge2f _EIP+0x2f 002f Before first symbol Code; 0005 Before first symbol 5: 8b 40 14 mov0x14(%eax),%eax Code; 0008 Before first symbol 8: 83 3c a8 00 cmpl $0x0,(%eax,%ebp,4) Code; 000c Before first symbol c: 74 15 je 23 _EIP+0x23 0023 Before first symbol Code; 000e Before first symbol e: b8 06 00 00 00mov$0x6,%eax Code; 0013 Before first symbol 13: 89 00 mov%eax,(%eax) -Marc CONFIG_PPP and CONFIG_PPP_ASYNC are built in, CONFIG_PPP_DEFLATE and CONFIG_PPP_BSDCOMP as modules, but oopses whether they are