linux-kernel - [BUG 2.6.26-rc1] scsi (or sysfs or vm?) oops in sr

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Message-ID: <481D9C69.8080902@garzik.org>
Date:	Sun, 04 May 2008 07:22:17 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	linux-scsi <linux-scsi@...r.kernel.org>
CC:	LKML <linux-kernel@...r.kernel.org>, Greg KH <greg@...ah.com>
Subject: [BUG 2.6.26-rc1] scsi (or sysfs or vm?) oops in sr_probe()

See attached files for additional config detail.

Platform summary:  AMD64 2x2 (== 4 cores), Fedora 8/x86-64

Driver 'sr' needs updating - please use bus_type methods
BUG: unable to handle kernel NULL pointer dereference at 00000000000005d8
IP: [<ffffffff8025e10c>] get_page_from_freelist+0x43/0x573
PGD 7e90f067 PUD 7edbc067 PMD 0
Oops: 0000 [1] SMP
CPU 3
Modules linked in: sr_mod(+) cdrom rtc_cmos ohci1394(+) i2c_nforce2(+) 
forcedeth(+) snd_intel8x0(+) i2c_core snd_ac97_codec ac97_bus pata_amd 
sata_nv sata_mv libata dock mptspi mptscsih mptbase scsi_transport_spi 
sd_mod scsi_mod ext3 jbd ohci_hcd ehci_hcd [last unloaded: scsi_wait_scan]
Pid: 945, comm: modprobe Not tainted 2.6.26-rc1-00006-gafa26be #1
RIP: 0010:[<ffffffff8025e10c>]  [<ffffffff8025e10c>] 
get_page_from_freelist+0x43/0x573
RSP: 0018:ffff81007edffb88  EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff81007edffbf0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff810040002a58
RBP: ffff81003fc01b80 R08: 0000000000000000 R09: 0000000000000044
R10: 0000000000000000 R11: ffffffffffffffe1 R12: ffff810040002a40
R13: 0000000000000000 R14: ffff81007f9eb450 R15: ffff810040002a40
FS:  00007f47bd9456f0(0000) GS:ffff81007fa91f40(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 00000000000005d8 CR3: 000000007e90c000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process modprobe (pid: 945, threadinfo ffff81007edfe000, task 
ffff81007f9eb450)
Stack:  000612d000000005 0000004400000010 0000000000000000 0000000000000000
  000612d18026473f ffffffff01bacb28 ffff81007fa46e30 ffff81003fc01180
  ffff81003fc01180 0000000000000000 0000000000000000 0000000000000286
Call Trace:
  [<ffffffff8025e727>] ? __alloc_pages_internal+0xd6/0x3b6
  [<ffffffff8027b4e7>] ? kmem_getpages+0x96/0x15f
  [<ffffffff8027b83c>] ? cache_grow+0xa3/0x206
  [<ffffffff8027beda>] ? cache_alloc_refill+0x1cc/0x21a
  [<ffffffff8027c0a2>] ? kmem_cache_alloc+0x62/0xdc
  [<ffffffffa0122442>] ? :sr_mod:sr_probe+0x17b/0x4a9
  [<ffffffff80351ebb>] ? driver_probe_device+0xd7/0x164
  [<ffffffff80351f8e>] ? __driver_attach+0x46/0x6d
  [<ffffffff80351f48>] ? __driver_attach+0x0/0x6d
  [<ffffffff80351657>] ? bus_for_each_dev+0x44/0x6f
  [<ffffffff80351a8d>] ? bus_add_driver+0xb4/0x203
  [<ffffffff8022c2c5>] ? check_preempt_wakeup+0xb8/0xe2
  [<ffffffff803521eb>] ? driver_register+0x8d/0x101
  [<ffffffffa0128024>] ? :sr_mod:init_sr+0x24/0x3f
  [<ffffffff8024df30>] ? sys_init_module+0x9b/0x1a9
  [<ffffffff8020b00b>] ? system_call_after_swapgs+0x7b/0x80



View attachment "dmesg.viper" of type "text/plain" (31856 bytes)

View attachment "lspci.viper" of type "text/plain" (2589 bytes)

View attachment "config.viper" of type "text/plain" (43300 bytes)