(Switching to email - please use reply-to-all) On Thu, 3 May 2007 15:26:41 -0700 bugme-daemon@xxxxxxxxxxxxxxxxxxx wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=8426 > > Summary: massive slowdown on SCSI CD/DVD drive connected to > mptspi driver > Kernel Version: 2.6.21 > Status: NEW > Severity: high > Owner: scsi_drivers-other@xxxxxxxxxxxxxxxxxxxx > Submitter: doug.chapman@xxxxxx > > > Most recent kernel where this bug did *NOT* occur: > 2.6.20 > > Distribution: > fedora 7 - test 4 > seen with fedora kernel and stock upstream 2.6.21 kernel as well > > Hardware Environment: > HP Integrity Superdome > NEC DVD_RW ND-3540A > LSI Fusion MPT SPI SCSI adapter > > also on: > HP Integrity rx8640 > NEC DVD+RW ND-2100AD > > > Software Environment: fedora 7 test 4 > > Problem Description: > Reading CD/DVD is approx 150times slower than usual. Simple test of: > time cat kernel-2.6.20-1.3088.fc7.ia64.rpm > /dev/null > > took approx 10 minutes on 2.6.21, took 2-4 seconds on 2.6.20 (same system, same > disk, repeated multiple times to ensure it wasn't bad hardware) > > > Steps to reproduce: > mount a DVD > read a large file from the DVD > > > Appears to have been caused by this git commit: Thanks heaps for doing the bisection - it really helps. > commit 5a9c47b1344b514758d5d7f193c672850390cc36 > Author: Eric Moore <eric.moore@xxxxxxx> > Date: Mon Jan 29 09:43:17 2007 -0700 > > [SCSI] fusion - move SPI API over to mptspi.c > > Move some functions that only apply to the mptspi module over from mptscsih. > Signed-off-by: Eric Moore <Eric.Moore@xxxxxxx> > Signed-off-by: James Bottomley <James.Bottomley@xxxxxxxxxxxx> > > > I backed out this patch against the current HEAD and DVD drive performance is > back to normal. I have not yet looked into this to determine exactly what in > this patch caused the issue. That's a bit surprising - all the patch allegedly does is move stuff around. Here's my version of a backout patch against 2.6.21 - can anyone spot any bloopers in it? drivers/message/fusion/mptscsih.c | 284 ++++++++++++++++++++++++++++ drivers/message/fusion/mptspi.c | 268 -------------------------- 2 files changed, 285 insertions(+), 267 deletions(-) diff -puN drivers/message/fusion/mptscsih.c~revert-fusion-move-spi-api-over-to-mptspic drivers/message/fusion/mptscsih.c --- a/drivers/message/fusion/mptscsih.c~revert-fusion-move-spi-api-over-to-mptspic +++ a/drivers/message/fusion/mptscsih.c @@ -98,6 +98,9 @@ static int mptscsih_IssueTaskMgmt(MPT_SC int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset); int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply); +static void mptscsih_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget, struct scsi_device *sdev); +static void mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *vtarget, struct scsi_device *sdev); +static int mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int channel, int id); int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd); static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice); @@ -2410,6 +2413,7 @@ mptscsih_slave_configure(struct scsi_dev } vdevice->configured_lun = 1; + mptscsih_initTarget(hd, vtarget, sdev); mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH); dsprintk((MYIOC_s_INFO_FMT @@ -2673,6 +2677,286 @@ mptscsih_event_process(MPT_ADAPTER *ioc, /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /* + * mptscsih_initTarget - Target, LUN alloc/free functionality. + * @hd: Pointer to MPT_SCSI_HOST structure + * @vtarget: per target private data + * @sdev: SCSI device + * + * NOTE: It's only SAFE to call this routine if data points to + * sane & valid STANDARD INQUIRY data! + * + * Allocate and initialize memory for this target. + * Save inquiry data. + * + */ +static void +mptscsih_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget, + struct scsi_device *sdev) +{ + dinitprintk((MYIOC_s_INFO_FMT "initTarget channel=%d id=%d lun=%d hd=%p\n", + hd->ioc->name, vtarget->channel, vtarget->id, + sdev->lun, hd)); + + /* Is LUN supported? If so, upper 2 bits will be 0 + * in first byte of inquiry data. + */ + if (sdev->inq_periph_qual != 0) + return; + + if (vtarget == NULL) + return; + + vtarget->type = sdev->type; + + if (hd->ioc->bus_type != SPI) + return; + + if ((sdev->type == TYPE_PROCESSOR) && (hd->ioc->spi_data.Saf_Te)) { + /* Treat all Processors as SAF-TE if + * command line option is set */ + vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED; + mptscsih_writeIOCPage4(hd, vtarget->channel, vtarget->id); + }else if ((sdev->type == TYPE_PROCESSOR) && + !(vtarget->tflags & MPT_TARGET_FLAGS_SAF_TE_ISSUED )) { + if (sdev->inquiry_len > 49 ) { + if (sdev->inquiry[44] == 'S' && + sdev->inquiry[45] == 'A' && + sdev->inquiry[46] == 'F' && + sdev->inquiry[47] == '-' && + sdev->inquiry[48] == 'T' && + sdev->inquiry[49] == 'E' ) { + vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED; + mptscsih_writeIOCPage4(hd, vtarget->channel, vtarget->id); + } + } + } + mptscsih_setTargetNegoParms(hd, vtarget, sdev); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * Update the target negotiation parameters based on the + * the Inquiry data, adapter capabilities, and NVRAM settings. + * + */ +static void +mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target, + struct scsi_device *sdev) +{ + SpiCfgData *pspi_data = &hd->ioc->spi_data; + int id = (int) target->id; + int nvram; + u8 width = MPT_NARROW; + u8 factor = MPT_ASYNC; + u8 offset = 0; + u8 nfactor; + u8 noQas = 1; + + target->negoFlags = pspi_data->noQas; + + /* noQas == 0 => device supports QAS. */ + + if (sdev->scsi_level < SCSI_2) { + width = 0; + factor = MPT_ULTRA2; + offset = pspi_data->maxSyncOffset; + target->tflags &= ~MPT_TARGET_FLAGS_Q_YES; + } else { + if (scsi_device_wide(sdev)) { + width = 1; + } + + if (scsi_device_sync(sdev)) { + factor = pspi_data->minSyncFactor; + if (!scsi_device_dt(sdev)) + factor = MPT_ULTRA2; + else { + if (!scsi_device_ius(sdev) && + !scsi_device_qas(sdev)) + factor = MPT_ULTRA160; + else { + factor = MPT_ULTRA320; + if (scsi_device_qas(sdev)) { + ddvtprintk((KERN_INFO "Enabling QAS due to byte56=%02x on id=%d!\n", scsi_device_qas(sdev), id)); + noQas = 0; + } + if (sdev->type == TYPE_TAPE && + scsi_device_ius(sdev)) + target->negoFlags |= MPT_TAPE_NEGO_IDP; + } + } + offset = pspi_data->maxSyncOffset; + + /* If RAID, never disable QAS + * else if non RAID, do not disable + * QAS if bit 1 is set + * bit 1 QAS support, non-raid only + * bit 0 IU support + */ + if (target->raidVolume == 1) { + noQas = 0; + } + } else { + factor = MPT_ASYNC; + offset = 0; + } + } + + if (!sdev->tagged_supported) { + target->tflags &= ~MPT_TARGET_FLAGS_Q_YES; + } + + /* Update tflags based on NVRAM settings. (SCSI only) + */ + if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) { + nvram = pspi_data->nvram[id]; + nfactor = (nvram & MPT_NVRAM_SYNC_MASK) >> 8; + + if (width) + width = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1; + + if (offset > 0) { + /* Ensure factor is set to the + * maximum of: adapter, nvram, inquiry + */ + if (nfactor) { + if (nfactor < pspi_data->minSyncFactor ) + nfactor = pspi_data->minSyncFactor; + + factor = max(factor, nfactor); + if (factor == MPT_ASYNC) + offset = 0; + } else { + offset = 0; + factor = MPT_ASYNC; + } + } else { + factor = MPT_ASYNC; + } + } + + /* Make sure data is consistent + */ + if ((!width) && (factor < MPT_ULTRA2)) { + factor = MPT_ULTRA2; + } + + /* Save the data to the target structure. + */ + target->minSyncFactor = factor; + target->maxOffset = offset; + target->maxWidth = width; + + target->tflags |= MPT_TARGET_FLAGS_VALID_NEGO; + + /* Disable unused features. + */ + if (!width) + target->negoFlags |= MPT_TARGET_NO_NEGO_WIDE; + + if (!offset) + target->negoFlags |= MPT_TARGET_NO_NEGO_SYNC; + + if ( factor > MPT_ULTRA320 ) + noQas = 0; + + if (noQas && (pspi_data->noQas == 0)) { + pspi_data->noQas |= MPT_TARGET_NO_NEGO_QAS; + target->negoFlags |= MPT_TARGET_NO_NEGO_QAS; + + /* Disable QAS in a mixed configuration case + */ + + ddvtprintk((KERN_INFO "Disabling QAS due to noQas=%02x on id=%d!\n", noQas, id)); + } +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * SCSI Config Page functionality ... + */ + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* mptscsih_writeIOCPage4 - write IOC Page 4 + * @hd: Pointer to a SCSI Host Structure + * @channel: write IOC Page4 for this Bus + * @id: write IOC Page4 for this ID + * + * Return: -EAGAIN if unable to obtain a Message Frame + * or 0 if success. + * + * Remark: We do not wait for a return, write pages sequentially. + */ +static int +mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int channel, int id) +{ + MPT_ADAPTER *ioc = hd->ioc; + Config_t *pReq; + IOCPage4_t *IOCPage4Ptr; + MPT_FRAME_HDR *mf; + dma_addr_t dataDma; + u16 req_idx; + u32 frameOffset; + u32 flagsLength; + int ii; + + /* Get a MF for this command. + */ + if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) { + dfailprintk((MYIOC_s_WARN_FMT "writeIOCPage4 : no msg frames!\n", + ioc->name)); + return -EAGAIN; + } + + /* Set the request and the data pointers. + * Place data at end of MF. + */ + pReq = (Config_t *)mf; + + req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); + frameOffset = ioc->req_sz - sizeof(IOCPage4_t); + + /* Complete the request frame (same for all requests). + */ + pReq->Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; + pReq->Reserved = 0; + pReq->ChainOffset = 0; + pReq->Function = MPI_FUNCTION_CONFIG; + pReq->ExtPageLength = 0; + pReq->ExtPageType = 0; + pReq->MsgFlags = 0; + for (ii=0; ii < 8; ii++) { + pReq->Reserved2[ii] = 0; + } + + IOCPage4Ptr = ioc->spi_data.pIocPg4; + dataDma = ioc->spi_data.IocPg4_dma; + ii = IOCPage4Ptr->ActiveSEP++; + IOCPage4Ptr->SEP[ii].SEPTargetID = id; + IOCPage4Ptr->SEP[ii].SEPBus = channel; + pReq->Header = IOCPage4Ptr->Header; + pReq->PageAddress = cpu_to_le32(id | (channel << 8 )); + + /* Add a SGE to the config request. + */ + flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE | + (IOCPage4Ptr->Header.PageLength + ii) * 4; + + mpt_add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma); + + dinitprintk((MYIOC_s_INFO_FMT + "writeIOCPage4: MaxSEP=%d ActiveSEP=%d channel=%d id=%d \n", + ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, channel, id)); + + mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); + + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* * Bus Scan and Domain Validation functionality ... */ diff -puN drivers/message/fusion/mptspi.c~revert-fusion-move-spi-api-over-to-mptspic drivers/message/fusion/mptspi.c --- a/drivers/message/fusion/mptspi.c~revert-fusion-move-spi-api-over-to-mptspic +++ a/drivers/message/fusion/mptspi.c @@ -95,269 +95,6 @@ static int mptspiDoneCtx = -1; static int mptspiTaskCtx = -1; static int mptspiInternalCtx = -1; /* Used only for internal commands */ -/** - * mptspi_setTargetNegoParms - Update the target negotiation - * parameters based on the the Inquiry data, adapter capabilities, - * and NVRAM settings - * - * @hd: Pointer to a SCSI Host Structure - * @vtarget: per target private data - * @sdev: SCSI device - * - **/ -static void -mptspi_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target, - struct scsi_device *sdev) -{ - SpiCfgData *pspi_data = &hd->ioc->spi_data; - int id = (int) target->id; - int nvram; - u8 width = MPT_NARROW; - u8 factor = MPT_ASYNC; - u8 offset = 0; - u8 nfactor; - u8 noQas = 1; - - target->negoFlags = pspi_data->noQas; - - if (sdev->scsi_level < SCSI_2) { - width = 0; - factor = MPT_ULTRA2; - offset = pspi_data->maxSyncOffset; - target->tflags &= ~MPT_TARGET_FLAGS_Q_YES; - } else { - if (scsi_device_wide(sdev)) - width = 1; - - if (scsi_device_sync(sdev)) { - factor = pspi_data->minSyncFactor; - if (!scsi_device_dt(sdev)) - factor = MPT_ULTRA2; - else { - if (!scsi_device_ius(sdev) && - !scsi_device_qas(sdev)) - factor = MPT_ULTRA160; - else { - factor = MPT_ULTRA320; - if (scsi_device_qas(sdev)) { - ddvprintk((KERN_INFO "Enabling QAS due to byte56=%02x on id=%d!\n", scsi_device_qas(sdev), id)); - noQas = 0; - } - if (sdev->type == TYPE_TAPE && - scsi_device_ius(sdev)) - target->negoFlags |= MPT_TAPE_NEGO_IDP; - } - } - offset = pspi_data->maxSyncOffset; - - /* If RAID, never disable QAS - * else if non RAID, do not disable - * QAS if bit 1 is set - * bit 1 QAS support, non-raid only - * bit 0 IU support - */ - if (target->raidVolume == 1) - noQas = 0; - } else { - factor = MPT_ASYNC; - offset = 0; - } - } - - if (!sdev->tagged_supported) - target->tflags &= ~MPT_TARGET_FLAGS_Q_YES; - - /* Update tflags based on NVRAM settings. (SCSI only) - */ - if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) { - nvram = pspi_data->nvram[id]; - nfactor = (nvram & MPT_NVRAM_SYNC_MASK) >> 8; - - if (width) - width = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1; - - if (offset > 0) { - /* Ensure factor is set to the - * maximum of: adapter, nvram, inquiry - */ - if (nfactor) { - if (nfactor < pspi_data->minSyncFactor ) - nfactor = pspi_data->minSyncFactor; - - factor = max(factor, nfactor); - if (factor == MPT_ASYNC) - offset = 0; - } else { - offset = 0; - factor = MPT_ASYNC; - } - } else { - factor = MPT_ASYNC; - } - } - - /* Make sure data is consistent - */ - if ((!width) && (factor < MPT_ULTRA2)) - factor = MPT_ULTRA2; - - /* Save the data to the target structure. - */ - target->minSyncFactor = factor; - target->maxOffset = offset; - target->maxWidth = width; - - target->tflags |= MPT_TARGET_FLAGS_VALID_NEGO; - - /* Disable unused features. - */ - if (!width) - target->negoFlags |= MPT_TARGET_NO_NEGO_WIDE; - - if (!offset) - target->negoFlags |= MPT_TARGET_NO_NEGO_SYNC; - - if ( factor > MPT_ULTRA320 ) - noQas = 0; - - if (noQas && (pspi_data->noQas == 0)) { - pspi_data->noQas |= MPT_TARGET_NO_NEGO_QAS; - target->negoFlags |= MPT_TARGET_NO_NEGO_QAS; - - /* Disable QAS in a mixed configuration case - */ - - ddvprintk((KERN_INFO "Disabling QAS due to noQas=%02x on id=%d!\n", noQas, id)); - } -} - -/** - * mptspi_writeIOCPage4 - write IOC Page 4 - * @hd: Pointer to a SCSI Host Structure - * @channel: - * @id: write IOC Page4 for this ID & Bus - * - * Return: -EAGAIN if unable to obtain a Message Frame - * or 0 if success. - * - * Remark: We do not wait for a return, write pages sequentially. - **/ -static int -mptspi_writeIOCPage4(MPT_SCSI_HOST *hd, u8 channel , u8 id) -{ - MPT_ADAPTER *ioc = hd->ioc; - Config_t *pReq; - IOCPage4_t *IOCPage4Ptr; - MPT_FRAME_HDR *mf; - dma_addr_t dataDma; - u16 req_idx; - u32 frameOffset; - u32 flagsLength; - int ii; - - /* Get a MF for this command. - */ - if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) { - dfailprintk((MYIOC_s_WARN_FMT "writeIOCPage4 : no msg frames!\n", - ioc->name)); - return -EAGAIN; - } - - /* Set the request and the data pointers. - * Place data at end of MF. - */ - pReq = (Config_t *)mf; - - req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); - frameOffset = ioc->req_sz - sizeof(IOCPage4_t); - - /* Complete the request frame (same for all requests). - */ - pReq->Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; - pReq->Reserved = 0; - pReq->ChainOffset = 0; - pReq->Function = MPI_FUNCTION_CONFIG; - pReq->ExtPageLength = 0; - pReq->ExtPageType = 0; - pReq->MsgFlags = 0; - for (ii=0; ii < 8; ii++) { - pReq->Reserved2[ii] = 0; - } - - IOCPage4Ptr = ioc->spi_data.pIocPg4; - dataDma = ioc->spi_data.IocPg4_dma; - ii = IOCPage4Ptr->ActiveSEP++; - IOCPage4Ptr->SEP[ii].SEPTargetID = id; - IOCPage4Ptr->SEP[ii].SEPBus = channel; - pReq->Header = IOCPage4Ptr->Header; - pReq->PageAddress = cpu_to_le32(id | (channel << 8 )); - - /* Add a SGE to the config request. - */ - flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE | - (IOCPage4Ptr->Header.PageLength + ii) * 4; - - mpt_add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma); - - ddvprintk((MYIOC_s_INFO_FMT - "writeIOCPage4: MaxSEP=%d ActiveSEP=%d id=%d bus=%d\n", - ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, id, channel)); - - mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); - - return 0; -} - -/** - * mptspi_initTarget - Target, LUN alloc/free functionality. - * @hd: Pointer to MPT_SCSI_HOST structure - * @vtarget: per target private data - * @sdev: SCSI device - * - * NOTE: It's only SAFE to call this routine if data points to - * sane & valid STANDARD INQUIRY data! - * - * Allocate and initialize memory for this target. - * Save inquiry data. - * - **/ -static void -mptspi_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget, - struct scsi_device *sdev) -{ - - /* Is LUN supported? If so, upper 2 bits will be 0 - * in first byte of inquiry data. - */ - if (sdev->inq_periph_qual != 0) - return; - - if (vtarget == NULL) - return; - - vtarget->type = sdev->type; - - if ((sdev->type == TYPE_PROCESSOR) && (hd->ioc->spi_data.Saf_Te)) { - /* Treat all Processors as SAF-TE if - * command line option is set */ - vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED; - mptspi_writeIOCPage4(hd, vtarget->channel, vtarget->id); - }else if ((sdev->type == TYPE_PROCESSOR) && - !(vtarget->tflags & MPT_TARGET_FLAGS_SAF_TE_ISSUED )) { - if (sdev->inquiry_len > 49 ) { - if (sdev->inquiry[44] == 'S' && - sdev->inquiry[45] == 'A' && - sdev->inquiry[46] == 'F' && - sdev->inquiry[47] == '-' && - sdev->inquiry[48] == 'T' && - sdev->inquiry[49] == 'E' ) { - vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED; - mptspi_writeIOCPage4(hd, vtarget->channel, vtarget->id); - } - } - } - mptspi_setTargetNegoParms(hd, vtarget, sdev); -} /** * mptspi_is_raid - Determines whether target is belonging to volume @@ -723,16 +460,13 @@ static int mptspi_slave_alloc(struct scs static int mptspi_slave_configure(struct scsi_device *sdev) { + int ret = mptscsih_slave_configure(sdev); struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)sdev->host->hostdata; - VirtTarget *vtarget = scsi_target(sdev)->hostdata; - int ret = mptscsih_slave_configure(sdev); if (ret) return ret; - mptspi_initTarget(hd, vtarget, sdev); - ddvprintk((MYIOC_s_INFO_FMT "id=%d min_period=0x%02x" " max_offset=0x%02x max_width=%d\n", hd->ioc->name, sdev->id, spi_min_period(scsi_target(sdev)), _ - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
