Hello again Jeff, one more bug report on 2.6.26.2. It looks like .25 is affected as well are both suffering from it.
On Tue, Aug 19, 2008 at 12:05:09AM +0100, Graham Cobb wrote: > Package: user-mode-linux > Version: 2.6.24-1um-1 > Severity: normal > > I use Debian lenny guest environment in UML to automatically build software > for the Nokia Maemo environment. > > The overnight all work fine using UML 2.6.24-1um-1. However, UML > 2.6.25-1um-2 and UML 2.6.26-1um-2 both crash, early in each build, with > the kernel panic shown below. I can easily reproduce this with my automated > build system although I have not yet found another stress test (even doing a > kernel build in the guest environment) which reproduces it. > > The crash details are: > > Eeek! page_mapcount(page) went negative! (-1) > page pfn = 2cc > page->flags = 400 > page->count = 1 > page->mapping = 00000000 > vma->vm_ops = 0x83accc8 > vma->vm_ops->fault = special_mapping_fault+0x0/0x60 > BUG: failure at mm/rmap.c:669/page_remove_rmap()! > Kernel panic - not syncing: BUG! > > EIP: 0073:[<080a407a>] CPU: 0 Not tainted ESP: 007b:bf9ec8fc EFLAGS: 00000246 > Not tainted > EAX: ffffffda EBX: 00008000 ECX: 001b6000 EDX: 00000005 > ESI: 00000812 EDI: 00000004 EBP: 00000000 DS: 007b ES: 007b > 277ebd38: [<0809ec74>] notifier_call_chain+0x34/0x70 > 277ebd5c: [<08311f2a>] panic+0x71/0xff > 277ebd78: [<080cb4e1>] page_remove_rmap+0x151/0x160 > 277ebd90: [<080c3f99>] unmap_vmas+0x2c9/0x600 > 277ebda4: [<08060fd3>] flush_tlb_page+0x113/0x1f0 > 277ebdf8: [<080c7895>] unmap_region+0xa5/0x150 > 277ebe2c: [<080c8a98>] do_munmap+0x1d8/0x290 > 277ebe58: [<080c9544>] mmap_region+0xd4/0x590 > 277ebe90: [<080c7230>] arch_get_unmapped_area+0x0/0x160 > 277ebeb8: [<080b4870>] generic_file_mmap+0x0/0x60 > 277ebec4: [<080c9c1a>] do_mmap_pgoff+0x21a/0x300 > 277ebf00: [<08060846>] sys_mmap2+0x76/0xe0 > 277ebf30: [<080627aa>] handle_syscall+0x8a/0xc0 > 277ebf4c: [<080607d0>] sys_mmap2+0x0/0xe0 > 277ebf78: [<080789ca>] userspace+0x48a/0x510 > 277ebf90: [<08075675>] os_set_thread_area+0x25/0x50 > 277ebfec: [<0805f72d>] fork_handler+0x5d/0x70 > > > -- System Information: > Debian Release: lenny/sid > APT prefers testing > APT policy: (900, 'testing') > Architecture: i386 (i686) > > Kernel: Linux 2.6.25-2-686 (SMP w/1 CPU core) > Locale: [EMAIL PROTECTED], [EMAIL PROTECTED] (charmap=ISO-8859-15) (ignored: > LC_ALL set to [EMAIL PROTECTED]) > Shell: /bin/sh linked to /bin/bash > > Versions of packages user-mode-linux depends on: > ii uml-utilities 20070815-1.1 User-mode Linux (utility > programs) > > user-mode-linux recommends no packages. > > Versions of packages user-mode-linux suggests: > ii konsole [x-terminal- 4:3.5.9.dfsg.1-2+b1 X terminal emulator for KDE > pn linux-patch-skas <none> (no description available) > pn rootstrap <none> (no description available) > ii rxvt [x-terminal-emu 1:2.6.4-14 VT102 terminal emulator for the > X > pn slirp <none> (no description available) > pn user-mode-linux-doc <none> (no description available) > ii xterm [x-terminal-em 235-1 X terminal emulator > > -- no debconf information > > > > _______________________________________________ > Pkg-uml-pkgs mailing list > [EMAIL PROTECTED] > http://lists.alioth.debian.org/mailman/listinfo/pkg-uml-pkgs > -- mattia :wq! ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
