Bug#253555: marked as done (kernel-image-2.6.6-1-686-smp: cat /proc/ioports results in segfault and kernel errors)
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Received: (at maintonly) by bugs.debian.org; 10 Jun 2004 01:22:42 +0000
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From: Stephen Gran <sgran@debian.org>
To: Debian Bug Tracking System <maintonly@bugs.debian.org>
Subject: kernel-image-2.6.6-1-686-smp: cat /proc/ioports results in segfault and
kernel errors
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Date: Wed, 09 Jun 2004 21:22:40 -0400
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Package: kernel-image-2.6.6-1-686-smp
Version: 2.6.6-1
Severity: normal
steve@gashuffer:~$ cat /proc/ioports
Segmentation fault
Syslog says:
Jun 9 21:22:02 gashuffer kernel: Unable to handle kernel paging request at virtual address f962fada
Jun 9 21:22:02 gashuffer kernel: printing eip:
Jun 9 21:22:02 gashuffer kernel: c01b3a62
Jun 9 21:22:02 gashuffer kernel: *pde = 35da0067
Jun 9 21:22:02 gashuffer kernel: *pte = 00000000
Jun 9 21:22:02 gashuffer kernel: Oops: 0000 [#8]
Jun 9 21:22:02 gashuffer kernel: PREEMPT SMP
Jun 9 21:22:02 gashuffer kernel: CPU: 0
Jun 9 21:22:02 gashuffer kernel: EIP: 0060:[vsnprintf+818/1232] Not tainted
Jun 9 21:22:02 gashuffer kernel: EFLAGS: 00210297 (2.6.6-1-686-smp)
Jun 9 21:22:02 gashuffer kernel: EIP is at vsnprintf+0x332/0x4d0
Jun 9 21:22:02 gashuffer kernel: eax: f962fada ebx: 0000000a ecx: f962fada edx: fffffffe
Jun 9 21:22:02 gashuffer kernel: esi: dafb10d2 edi: 00000000 ebp: dafb1fff esp: de979eb8
Jun 9 21:22:02 gashuffer kernel: ds: 007b es: 007b ss: 0068
Jun 9 21:22:02 gashuffer kernel: Process cat (pid: 2040, threadinfo=de978000 task=f1ab73e0)
Jun 9 21:22:02 gashuffer kernel: Stack: dafb10cb dafb1fff 00000303 00000000 00000010 00000004 00000002 00000001
Jun 9 21:22:02 gashuffer kernel: ffffffff ffffffff d11ad144 c029ba24 d11ad144 000000c6 c017f3a7 dafb10c6
Jun 9 21:22:02 gashuffer kernel: 00000f3a c02a403d de979f30 c02a402b c0125174 d11ad144 c02a402b 00000000
Jun 9 21:22:02 gashuffer kernel: Call Trace:
Jun 9 21:22:02 gashuffer kernel: [seq_printf+55/96] seq_printf+0x37/0x60
Jun 9 21:22:02 gashuffer kernel: [r_show+132/144] r_show+0x84/0x90
Jun 9 21:22:02 gashuffer kernel: [seq_read+462/704] seq_read+0x1ce/0x2c0
Jun 9 21:22:02 gashuffer kernel: [vfs_read+237/352] vfs_read+0xed/0x160
Jun 9 21:22:02 gashuffer kernel: [sys_read+66/112] sys_read+0x42/0x70
Jun 9 21:22:02 gashuffer kernel: [syscall_call+7/11] syscall_call+0x7/0xb
Jun 9 21:22:02 gashuffer kernel:
Jun 9 21:22:02 gashuffer kernel: Code: 80 38 00 74 07 40 4a 83 fa ff 75 f4 29 c8 83 e7 10 89 c3 75
Jun 9 21:22:02 gashuffer kernel: <6>note: cat[2040] exited with preempt_count 1
Any hints?
-- System Information:
Debian Release: testing/unstable
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.6-1-686-smp
Locale: LANG=C, LC_CTYPE=en_US.ISO-8859-1 (ignored: LC_ALL set to en_US.ISO-8859-1)
Versions of packages kernel-image-2.6.6-1-686-smp depends on:
ii coreutils [fileutils] 5.0.91-2 The GNU core utilities
ii initrd-tools 0.1.70 tools to create initrd image for p
ii module-init-tools 3.0-pre10-4 tools for managing Linux kernel mo
-- no debconf information
---------------------------------------
Received: (at 253555-done) by bugs.debian.org; 19 Aug 2004 16:55:06 +0000
>From hch@lst.de Thu Aug 19 09:55:06 2004
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Date: Thu, 19 Aug 2004 18:55:04 +0200
From: Christoph Hellwig <hch@lst.de>
To: 253555-done@bugs.debian.org
Subject: not reproducible
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I suspect this was a broken driver in the older kernel that got fixed.
Please reopen if this ever happens again.
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