From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugme-daemon@bugzilla.kernel.org
Subject: [Bug 11529] New: aacraid - WARNING: at lib/scatterlist.c
Date: Wed, 10 Sep 2008 01:07:50 -0700 (PDT)
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http://bugzilla.kernel.org/show_bug.cgi?id=11529
Summary: aacraid - WARNING: at lib/scatterlist.c
Product: SCSI Drivers
Version: 2.5
KernelVersion: 2.6.26.5
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: AACRAID
AssignedTo: scsi_drivers-aacraid@kernel-bugs.osdl.org
ReportedBy: winfried@tilanus.com
Latest working kernel version: 2.6.25.17
Earliest failing kernel version: 2.6.26
Distribution: Debian
Hardware Environment: Intel 686
Problem Description:
During boot I see 16 warnings about scatterlist.c, right after the
initiantion of aacraid (Using a Adeptec AAR-2410SA raid card). Boot
seems to proceed normally. After the boot I don't see these messages
anymore:
[ 5.640780] AAC0: kernel 4.2-0[8205] Aug 17 2005
[ 5.640780] AAC0: monitor 4.2-0[8205]
[ 5.640780] AAC0: bios 4.2-0[8205]
[ 5.640780] AAC0: serial C92A77
[ 5.640781] scsi2 : aacraid
[ 5.641921] ------------[ cut here ]------------
[ 5.641924] WARNING: at lib/scatterlist.c:316 sg_copy_buffer+0x2e/0x14f()
[ 5.641926] Modules linked in: pata_marvell(+) ata_piix(+) ohci1394(+)
libata ieee1394 aacraid scsi_mod dock ehci_hcd uhci_hcd usbcore e1000e thermal
processor fan thermal_sys
[ 5.641940] Pid: 900, comm: modprobe Not tainted 2.6.26.5-pristine #1
[ 5.641942] [] warn_on_slowpath+0x40/0x79
[ 5.641948] [] do_lookup+0x53/0x153
[ 5.641952] [] do_page_fault+0x0/0x7e7
[ 5.641956] [] error_code+0x72/0x78
[ 5.641960] [] kmap_atomic_prot+0xc9/0xff
[ 5.641963] [] kmap_atomic+0x11/0x14
[ 5.641966] [] kunmap_atomic+0x4b/0x66
[ 5.641969] [] file_read_actor+0x75/0xc5
[ 5.641973] [] current_fs_time+0x13/0x15
[ 5.641976] [] mnt_drop_write+0x1a/0xb4
[ 5.641979] [] generic_file_aio_read+0x492/0x512
[ 5.641984] [] sg_copy_buffer+0x2e/0x14f
[ 5.641987] [] do_sync_read+0xc0/0x107
[ 5.641991] [] sg_copy_to_buffer+0xb/0xe
[ 5.641994] [] get_container_name_callback+0xa2/0xf8 [aacraid]
[ 5.642004] [] mmap_region+0x38d/0x45b
[ 5.642007] [] autoremove_wake_function+0x0/0x2d
[ 5.642012] [] aac_intr_normal+0x166/0x1a2 [aacraid]
[ 5.642021] [] aac_rx_intr_message+0x25/0x55 [aacraid]
[ 5.642030] [] handle_IRQ_event+0x23/0x51
[ 5.642034] [] handle_fasteoi_irq+0x71/0xa4
[ 5.642037] [] do_IRQ+0x4d/0x66
[ 5.642040] [] common_interrupt+0x23/0x28
[ 5.642044] =======================
[ 5.642046] ---[ end trace bbed9608e04f0ab9 ]---
The Adaptec card is an AAR-2410SA, a PCI SATA RAID card. lspci -vvv reports on
it:
04:00.0 RAID bus controller: Adaptec AAC-RAID (rev 01)
Subsystem: Adaptec Device 0290
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr-
Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=slow >TAbort- SERR-