On Fri Dec 2, 2022 at 3:54 PM CET, Sven F. wrote: > Hello, > > Main problem is the kernel goes into a loop and never break, > so no ddb > I have similar setups (same driver and stack) , and this one only > is more prone to the error, even if the virt / qemu driver is partly > responsible > the kernel should not loop the `scsi_xfer pool exhausted` > message for ever and maybe fall into ddb after a while or > handle this differently. > > Is there's step I can do to avoid or better document the bug ? > ( i would very much like not upgrading 7.2 just yet this one )
I think that important will be to know what is running inside that perl and if you can replicate on -current and real HW (or other virt solution) > > * I had eye on it : > > load averages: 5.22, 2.50, 1.74 > 111 processes: 3 running, 107 idle, 1 on processor > CPU states: 0.0% user, 0.0% nice, 34.3% sys, 0.0% spin, 0.0% intr, > 65.7% idle > Memory: Real: 1101M/1915M act/tot Free: 24K Cache: 96M Swap: 1012M/1012M > client_loop: send disconnect: Broken pipe > E WAIT TIME CPU COMMAND > $ 461 root -18 0 31M 39M sleep flt_nor 0:01 1.27% perl > 17540 root -18 2 31M 40M sleep flt_nor 0:01 1.17% perl > 14710 root -18 15 31M 40M sleep uvm_pmr 0:01 1.07% perl > 77611 root -18 2 31M 40M sleep uvm_pmr 0:01 1.07% perl > 7048 root -6 2 31M 40M sleep piperd 0:01 1.07% perl > 63374 root -18 2 29M 38M sleep flt_nor 0:01 1.07% perl > 51570 root -18 2 30M 38M sleep flt_nor 0:01 1.03% perl > 10785 root -18 2 29M 37M sleep flt_nor 0:01 0.98% perl > 92602 root -18 2 31M 40M sleep flt_nor 0:01 0.93% perl > 27245 root -18 2 29M 38M sleep flt_nor 0:01 0.93% perl > 65133 root -18 2 28M 37M sleep flt_nor 0:01 0.88% perl > 64059 root -18 2 27M 35M sleep flt_nor 0:01 0.88% perl > 22519 root -18 2 26M 34M sleep flt_nor 0:01 0.83% perl > 74085 root -18 2 23M 31M sleep flt_nor 0:01 0.83% perl > 59008 root -18 2 23M 31M sleep flt_nor 0:01 0.78% perl > 19896 _mysql 2 0 884M 323M run kqread 252:16 0.00% mariadbd > > * dmesg ( not using unwind so one syspatch late ) > > OpenBSD 7.1 (GENERIC) #3: Sun May 15 10:25:28 MDT 2022 > r...@syspatch-71-amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC > real mem = 2080227328 (1983MB) > avail mem = 2000064512 (1907MB) > random: good seed from bootblocks > mpath0 at root > scsibus0 at mpath0: 256 targets > mainbus0 at root > bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xf68b0 (9 entries) > bios0: vendor SeaBIOS version "2:1.10.2-58953eb7" date 04/01/2014 > bios0: OpenStack Foundation OpenStack Nova > acpi0 at bios0: ACPI 1.0 > acpi0: sleep states S3 S4 S5 > acpi0: tables DSDT FACP APIC > acpi0: wakeup devices > acpitimer0 at acpi0: 3579545 Hz, 24 bits > acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat > cpu0 at mainbus0: apid 0 (boot processor) > cpu0: Intel Core Processor (Haswell, no TSX), 2394.83 MHz, 06-3c-01 > cpu0: > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,VMX,SSSE3,FMA3,CX16,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,HV,NXE,RDTSCP,LONG,LAHF,ABM,FSGSBASE,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MD_CLEAR,ARAT,XSAVEOPT,MELTDOWN > cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB > 64b/line 16-way L2 cache > cpu0: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped > cpu0: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped > cpu0: smt 0, core 0, package 0 > mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges > cpu0: apic clock running at 1000MHz > ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 11, 24 pins > acpiprt0 at acpi0: bus 0 (PCI0) > "ACPI0006" at acpi0 not configured > acpipci0 at acpi0 PCI0 > acpicmos0 at acpi0 > com0 at acpi0 COM1 addr 0x3f8/0x8 irq 4: ns16550a, 16 byte fifo > "PNP0A06" at acpi0 not configured > "PNP0A06" at acpi0 not configured > "PNP0A06" at acpi0 not configured > "QEMU0002" at acpi0 not configured > "ACPI0010" at acpi0 not configured > acpicpu0 at acpi0: C1(@1 halt!) > cpu0: using VERW MDS workaround > pvbus0 at mainbus0: KVM > pvclock0 at pvbus0 > pci0 at mainbus0 bus 0 > pchb0 at pci0 dev 0 function 0 "Intel 82441FX" rev 0x02 > pcib0 at pci0 dev 1 function 0 "Intel 82371SB ISA" rev 0x00 > pciide0 at pci0 dev 1 function 1 "Intel 82371SB IDE" rev 0x00: DMA, > channel 0 wired to compatibility, channel 1 wired to compatibility > pciide0: channel 0 disabled (no drives) > pciide0: channel 1 disabled (no drives) > uhci0 at pci0 dev 1 function 2 "Intel 82371SB USB" rev 0x01: apic 0 int 11 > piixpm0 at pci0 dev 1 function 3 "Intel 82371AB Power" rev 0x03: apic 0 int 9 > iic0 at piixpm0 > vga1 at pci0 dev 2 function 0 "Cirrus Logic CL-GD5446" rev 0x00 > wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) > wsdisplay0: screen 1-5 added (80x25, vt100 emulation) > virtio0 at pci0 dev 3 function 0 "Qumranet Virtio Network" rev 0x00 > vio0 at virtio0: address fa:16:3e:16:55:db > virtio0: msix shared > virtio1 at pci0 dev 4 function 0 "Qumranet Virtio SCSI" rev 0x00 > vioscsi0 at virtio1: qsize 128 > scsibus1 at vioscsi0: 255 targets > sd0 at scsibus1 targ 0 lun 0: <QEMU, QEMU HARDDISK, 2.5+> > sd0: 40960MB, 512 bytes/sector, 83886080 sectors, thin > virtio1: msix shared > virtio2 at pci0 dev 5 function 0 "Qumranet Virtio Memory Balloon" rev 0x00 > viomb0 at virtio2 > virtio2: apic 0 int 10 > isa0 at pcib0 > isadma0 at isa0 > fdc0 at isa0 port 0x3f0/6 irq 6 drq 2 > pckbc0 at isa0 port 0x60/5 irq 1 irq 12 > pckbd0 at pckbc0 (kbd slot) > wskbd0 at pckbd0: console keyboard, using wsdisplay0 > pms0 at pckbc0 (aux slot) > wsmouse0 at pms0 mux 0 > pcppi0 at isa0 port 0x61 > spkr0 at pcppi0 > usb0 at uhci0: USB revision 1.0 > uhub0 at usb0 configuration 1 interface 0 "Intel UHCI root hub" rev > 1.00/1.00 addr 1 > vmm0 at mainbus0: VMX/EPT (using slow L1TF mitigation) > uhidev0 at uhub0 port 1 configuration 1 interface 0 "QEMU QEMU USB > Tablet" rev 2.00/0.00 addr 2 > uhidev0: iclass 3/0 > ums0 at uhidev0: 3 buttons, Z dir > wsmouse1 at ums0 mux 0 > vscsi0 at root > scsibus2 at vscsi0: 256 targets > softraid0 at root > scsibus3 at softraid0: 256 targets > root on sd0a (d634685705fc97a8.a) swap on sd0b dump on sd0b > WARNING: / was not properly unmounted > fd0 at fdc0 drive 1: density unknown > > Best, > > -- > -- > --------------------------------------------------------------------------------------------------------------------- > Knowing is not enough; we must apply. Willing is not enough; we must do
