Package: kernel-image-2.4.26-1-686 Version: 2.4.26-4 Followup-For: Bug #255175 here is what happens after cron(checksecurity, faubackup): Aug 22 07:37:57 carredas kernel: Unable to handle kernel paging request at virtual address e77dd630 Aug 22 07:37:57 carredas kernel: printing eip: Aug 22 07:37:57 carredas kernel: c015385f Aug 22 07:37:57 carredas kernel: *pde = 00000000 Aug 22 07:37:57 carredas kernel: Oops: 0002 Aug 22 07:37:57 carredas kernel: CPU: 0 Aug 22 07:37:57 carredas kernel: EIP: 0010:[prune_dcache+191/336] Tainted: P Aug 22 07:37:57 carredas kernel: EFLAGS: 00010282 Aug 22 07:37:57 carredas kernel: eax: df43ee90 ebx: df43ee78 ecx: e77dd630 edx: c77dd630 Aug 22 07:37:57 carredas kernel: esi: df43ee60 edi: c77dd620 ebp: 00003da3 esp: dfa77f18 Aug 22 07:37:57 carredas kernel: ds: 0018 es: 0018 ss: 0018 Aug 22 07:37:57 carredas kernel: Process kswapd (pid: 4, stackpage=dfa77000) Aug 22 07:37:57 carredas kernel: Stack: d724d8c0 df43e560 00000018 c1504530 c0266b58 0000340f c0153bd4 00007787 Aug 22 07:37:57 carredas kernel: c0136956 00000006 000001d0 ffffffff 000001d0 00000018 0000001f 000001d0 Aug 22 07:37:57 carredas kernel: c0266b58 c0266b58 c0136d3d dfa77f84 000001d0 0000003c 00000020 c0136dc2 Aug 22 07:37:57 carredas kernel: Call Trace: [shrink_dcache_memory+36/64] [shrink_cache+358/944] [shrink_caches+61/96] [try_to_free_pages_zone+98/256] [kswapd_balance_pgdat+102/176] Aug 22 07:37:57 carredas kernel: [kswapd_balance+40/64] [kswapd+152/192] [kswapd+0/192] [rest_init+0/64] [arch_kernel_thread+46/64] [kswapd+0/192] Aug 22 07:37:57 carredas kernel: Aug 22 07:37:57 carredas kernel: Code: 89 11 89 40 04 89 43 18 8b 46 4c 85 c0 74 07 8b 50 14 85 d2 and kswapd die defunc machine still works but produces mesages like this when using dselect for example: Aug 21 12:13:28 carredas kernel: Unable to handle kernel paging request at virtual address ebaff2f0 Aug 21 12:13:28 carredas kernel: printing eip: Aug 21 12:13:28 carredas kernel: c015381e Aug 21 12:13:28 carredas kernel: *pde = 00000000 Aug 21 12:13:28 carredas kernel: Oops: 0002 Aug 21 12:13:28 carredas kernel: CPU: 0 Aug 21 12:13:28 carredas kernel: EIP: 0010:[prune_dcache+126/336] Tainted: P Aug 21 12:13:28 carredas kernel: EFLAGS: 00010246 Aug 21 12:13:28 carredas kernel: eax: d042b7b0 ebx: d042b7b8 ecx: ebaff2f0 edx: dfb56fc8 Aug 21 12:13:28 carredas kernel: esi: d042b7a0 edi: c9230280 ebp: 00006dbf esp: d34e1d60 Aug 21 12:13:28 carredas kernel: ds: 0018 es: 0018 ss: 0018 Aug 21 12:13:28 carredas kernel: Process apt-get (pid: 21264, stackpage=d34e1000) Aug 21 12:13:28 carredas kernel: Stack: ccd15cc0 d042b720 00000005 c1513ce0 c0266b58 00002746 c0153bd4 0000af2e Aug 21 12:13:28 carredas kernel: c0136956 00000006 000001d2 ffffffff 000001d2 00000005 00000011 000001d2 Aug 21 12:13:28 carredas kernel: c0266b58 c0266b58 c0136d3d d34e1dcc 000001d2 0000003c 00000020 c0136dc2 Aug 21 12:13:28 carredas kernel: Call Trace: [shrink_dcache_memory+36/64] [shrink_cache+358/944] [shrink_caches+61/96] [try_to_free_pages_zone+98/256] [balance_classzone+66/480] Aug 21 12:13:28 carredas kernel: [__alloc_pages+376/640] [dm-mod:__insmod_dm-mod_O/lib/modules/2.4.26-1-686/kernel/drivers/m+-1479749/96] [page_cache_read+121/208] [dm-mod:__insmod_dm-mod_O/lib/modules/2.4.26-1-686/kernel/drivers/m+-1313264/96] [read_cluster_nonblocking+57/80] [filemap_nopage+285/560] Aug 21 12:13:28 carredas kernel: [do_no_page+119/512] [handle_mm_fault+119/256] [activate_page+172/192] [do_page_fault+376/1261] [generic_file_read+183/432] [file_read_actor+0/224] Aug 21 12:13:28 carredas kernel: [sys_read+247/320] [do_page_fault+0/1261] [error_code+52/60] Aug 21 12:13:28 carredas kernel: Aug 21 12:13:28 carredas kernel: Code: 89 11 89 4a 04 8d 4b 08 89 40 04 8b 51 04 89 43 f8 8b 43 08 i can run again dselect without problem. This is with this kernel with older 2.4.25 system just says Segmentation fault for comands like w, tail... but not ps This and bigger problems happens with newer kernels 2.6.5 and 2.6.7. I think only kernel-2.4.24 didn't have such problems. -- System Information: Debian Release: 3.1 APT prefers testing APT policy: (500, 'testing') Architecture: i386 (i686) Kernel: Linux 2.4.26-1-686 Locale: LANG=C, LC_CTYPE=C Versions of packages kernel-image-2.4.26-1-686 depends on: ii coreutils [fileutils] 5.2.1-2 The GNU core utilities ii fileutils 5.2.1-2 The GNU file management utilities ii initrd-tools 0.1.71 tools to create initrd image for p ii modutils 2.4.26-1 Linux module utilities -- no debconf information